To learn more, see our tips on writing great answers. Thankfully, PHP developers aren't "Camel case bigots" like some development communities I know. Use lowercase (a-z), digits (0-9) and the underscore character (_) for table names. Not because of naming conventions, but because "tables" are a group of something. All other identifier names must be from 1 to 64 characters long. Does English have an equivalent to the Aramaic idiom "ashes on my head"? For example for DocumentType i could name it. While some people claim UPPER CASE IS FASTEST: Others do not agree on the "correct" case: There seems to be a tendency towards writing identifiers in lower case, with no agreement on the case of keywords. becomes, If the name contains two underscores, take the first two letters of the first word, and the first letter of the other words, e.g. This is easy to work around, but a tedious problem to think of all the time. Table names must follow the rules for SQL Server identifiers, and be less than 128 characters. What would be better than point 5? Given the Sakila database, we could establish: The algorithm to shorten a table name is simple: This technique worked well for large-ish schemas with 500+ tables. Stack Overflow for Teams is moving to its own domain! How does White waste a tempo in the Botvinnik-Carls defence in the Caro-Kann? MySQL Table Naming Conventions In the previous sections, we learned about creating tables MySQL. I believe I was misdiagnosed with ADHD when I was a small child. The importance, as always, is to be consistent with a ruleset. Use Full Words The conventions I follow are just one possible pattern. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Laravel Naming Conventions Table of contents Naming Controllers Naming database tables in Laravel Pivot tables Table columns names Primary Key Foreign Keys Variables Naming Conventions for models Naming Models in Laravel Model properties Model Methods Relationships I use almost the same, but for table names, I use plural for "root" table and singular for dependencies. The only place I am tempted to put the table name or a shortened form of it is on primary and foreign keys or if the "natural" name is a keyword. MySQL Name conventions general rules: Use lowercase: Will help on speed typing, avoid mistakes dues to case sensitivity e.t.c No space - use underscore instead No numbers in name only alpha English characters Valid understandable names like blog, ecommerce e.t.c but not like project, james, e.t.c Name should be self explanatory Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. For example, utf8mb4_0900_ai_ci and latin1_swedish_ci are collations for the utf8mb4 . Also use full words and avoid abbreviations. The table name could be modified to indicate that it is a reference table such as r_user_status or user_status_ri. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Unlike with hungarian notation itself, where the data type is encoded in the name, in this case, we might encode some other piece of information in the name. NGINX access logs from single page application. like foo_id, foo_name, foo_age. Avoid the use of multiple consecutive underscoresthese can be hard to read. Database Database name must have the same name as project name. MySQL database identifiers that you can name include databases, tables, and columns. In this article, some most common guidance in naming conventions will be given and shown how ApexSQL Refactor, SQL formatting Visual Studio and SSMS add-in with nearly 200 formatting options, can help in achieving capitalization consistency among team members.. Why? ). Why it could become a headache? Not the answer you're looking for? Point 5 - I would avoid this. Book or short story about a character who is kept alive as a disembodied brain encased in a mechanical device after an accident, I was given a Lego set bag with no box or instructions - mostly blacks, whites, greys, browns. Naming Convention. This subject often causes big debates in the DB community. Anyone have any naming convention for schema and table in MySQL? In MySQL Workbench 8.0, I named the table such as Smartphone Brand. Most common codingstyle for MySQL by Simon Holywell: See also this question: sqlstyle.guide has a very comprehensive set of guidelines that cover just about any case. How do I import an SQL file using the command line in MySQL? Are there any published coding style guidelines for SQL? 504), Hashgraph: The sustainable alternative to blockchain, Mobile app infrastructure being decommissioned, Table Naming Dilemma: Singular vs. Plural Names. General Rules Naming Conventions Using lowercase will help speed typing, avoid mistakes as MYSQL is case sensitive. I've said it. This is a good reference. Here's a list of rules I've found very useful in the past: Tables, views, and other "tabular things" may quickly conflict with each other. I'm never going to ahve an upper and lowercase version of the same table! We don't add id to the col name because it is said that the name 'id' is always the PK of the given table. So, avoiding quotes is a good SQL table naming convention to use. 504), Hashgraph: The sustainable alternative to blockchain, Mobile app infrastructure being decommissioned, How to name tables such as "Suppliers Categories". Is it safe to delete the innodb schema on a new Amazon RDS instance? For example, say table foo_bar has the FK foo_id (where foo_id is the PK of foo ). Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. The standard itself is very much personal preference - so if you like your standard, then run with it. The main thing here is of course consistency! Explain naming conventions for packages in java? Can lead-acid batteries be stored by removing the liquid from them? MySQL Table Name: Lower case table name: Mysql is usually hosted in Linux server which is case sensitive so for best practice table name should be all lower case. What About Naming Conventions? When defining FKs to enforce referential integrity, I use the following: I order the columns like this: PKs, FKs, then the rest of columns alphabetically. Point 4 - Similar to Point 3. SELECT * FROM user; See this question and discussion. It's easy to keep consistent, and you can also easily recognize things like: I think that if you work with views extensively (I've worked with schemas of 1000+ views in the past), then such a naming convention is almost mandatory. Having consistent naming conventions across your data model means that developers will need to spend less time looking up the names of tables, views, and columns. 10.3.1 Collation Naming Conventions. Especially in Oracle, where one does not simply create a schema because of all the security hassles this produces (schemas and users are kinda the same thing, which is nuts of course. For more information, see the Table Naming Conventions section. How did Space Shuttles get off the NASA Crawler? Lower case table name: Mysql is usually hosted in Linux server which is case sensitive so for best practice table . But once you start writing a ton of SQL against this schema, you start "learning" the abbreviations, and they become meaningful. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. rev2022.11.10.43024. Name for phenomenon in which attempting to solve a problem locally can seemingly fail because they absorb the problem from elsewhere? MySQL Query was killed, but caused mysql database to not accept new reads or writes. This is documented in the MySQL Reference Manual here: https://dev.mysql.com/doc/refman/8./en/identifier-case-sensitivity.html Excerpt: in queries like this: But what if we have to join ACCOUNT as well? The last word of the table name should be end with the character "s" (or "es") to indicate plural. Want to improve this question? Are there any published coding style guidelines for SQL? @DBX12 To be pedantic, that's PascalCase, not camelCase, but your point still stands. minimize mysql table naming convention plural. If the name we have chosen is logical and consistent then it would be ok. Two major points need to be remembered, one is that no two tales/databases can have the same name and second we can choose any of the reserved words as the name of table/database. How do you set a default value for a MySQL Datetime column? @MarredCheese Never thought about it, but you are right. Step-2 : Column names must not be abstract or cryptic. So pretty much the only impact is having to query a longer query string. Why does the "Fight for 15" movement not update its target hourly rate? Connect and share knowledge within a single location that is structured and easy to search. As an industry professional, once we run into significant problems with the other database identifier conventions (as in what should be a simple port of a database application from Windows to Linux turns into a laborious grind), which could have been avoided by following a different convention, we discover that those features that we might currently identify as minor annoyances turn out to be tremendous time savers. General Rules Naming Conventions Using lowercase will help speed typing, avoid mistakes as MYSQL is case sensitive. Don't prefix table names with the database name. For example: If someone does not adhere to these conventions, the resulting code quickly looks non-idiomatic. About the naming convention you follow, I think it is ok, just the number 5 is a little bit unnecesary, I think most visual tools for managing databases offer a option for sorting column names (I use DBeaver, and it have it), so if the purpouse is having a nice visual presentation of your table you can use this option I mention. How do I find the probability of picking a science major and an engineering major? If it's single, it indicates bad design. Consistency is what everyone strongly suggest, the rest is upto you as long as it works. The naming convention for a table name are as follows: Each table name should have a "tbl" prefix. Can a database be created with no user and/or owner? Table Naming Conventions To learn more, see our tips on writing great answers. Often, they do not lead to ambiguities in namespace resolution. Essentially, follow the MySQL Documentation for identifiers, and add a little common sense that applies to your environment. Learn more, Python programming with MySQL database: from Scratch, Learn MySQL from scratch for Data Science and Analytics, Naming convention for creating a delivery unit in SAP HANA. Why does "new" go before "huge" in: New huge Japanese company? This is defined when you call UseNpgsql() or UseSqlServer() , and by default is called __EFMigrationsHistory . What's in a Name: Java Naming Conventions? Think about how you would cope with a single table foo_bar that has columns foo_id and another_foo_id both of which reference the foo table foo_id column. Find centralized, trusted content and collaborate around the technologies you use most. Personally, I think 5) is overkill Well, at least a naming convention as such encouraged by Oracle or community, no, however, basically you have to be aware of following the rules and limits for identifiers, such as indicated in MySQL documentation: https://dev.mysql.com/doc/refman/8.0/en/identifiers.html. Well, this is most a situation of personal preferences. Create database with dasherized name from mysql CLI, creating new relationships with existing hierarchy database, PHP | PDO get all dynamic column name and Its value, Writing Data into sql table/ http error 500. So I have one "id" in every table, and may have many id_
for FK. Connect and share knowledge within a single location that is structured and easy to search. Can my Uni see the downloads from discord app when I use their wifi? It's just a way we are following. Is there a better, more standard way to do this? This is documented in the MySQL Reference Manual here: https://dev.mysql.com/doc/refman/8.0/en/identifier-case-sensitivity.html. Is there a MAX function for rows and not for columns in MySQL? Download Source Code - 18.6 KB Introduction Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Fighting to balance identity and anonymity on the web(3) (Ep. Aside from fueling, how would a future space station generate revenue and provide value to both the stationers and visitors? It only takes a minute to sign up. Why? A planet you can take off from, but never land back. GET /users/123 and POST /users See this one. Examples: COND_thread_cache , THR_LOCK_myisam , BINLOG::LOCK_index . To avoid problems caused by such differences, it is best to adopt a consistent convention, such as always creating and referring to databases and tables using lowercase names. We already used A for ADDRESS, so we cannot reuse A. "Table names () are singular" that would be an instant fail in computer engineering db class. as @fabrizio-valencia said use lower case. Should I use a Column naming convention or rely on column descriptions? This article describes standard naming conventions for tables and columns, and it provides code that leverages the conventions to visualize dependencies and automatically validate and generate foreign key constraints. To avoid problems caused by such differences, it is best to adopt a consistent convention, such as always creating and referring to databases and tables using lowercase names. Certain objects within MySQL, including database, table, index, column, alias, view, stored procedure, partition, tablespace, resource group and other object names are known as identifiers. I'm undecided whether this is necessarily a good thing in general. Java), they are less easy to qualify properly. For example, mapping a typical Customer class to PostgreSQL will result in SQL such as the following: Database, Table and Column naming conventions. Does English have an equivalent to the Aramaic idiom "ashes on my head"? Connotation difference between "subscribers" and "observers", 600VDC measurement with Arduino (voltage divider). It provides you with little and will become a headache when you want to add or remove columns from a table at a later date. Thanks for contributing an answer to Stack Overflow! The only important thing is to be consistent. Too much clutter. I use the following convention: When a table contains a column that is a foreign key, I just copy the column name of that key from whatever table it came from. The only way to add spaces is to enclose the entire name in quotes (such as "Application User"), which will cause the same issues. Is there a Microsoft equivalent for HTML5 Server-Sent Events? But sometimes they do. Get record count for all tables in MySQL database? in windows if you export mysql database (phpmyadmin) the tables name will converted to lower case and this lead to all sort of The name of the column have meaning only in the context of the table. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Is // really a stressed schwa, appearing only in stressed syllables? Oh, and I would not prefer a case-insensitive RDBMS - I'd rather write consistent code, I like the irony of MySQL users disliking CamelCase and the name of the product we use: MySQL, written in CamelCase. MySQL naming convention for schema and table in lowercase letter? Not the answer you're looking for? MySQL Name conventions general rules: Use lowercase: Will help on speed typing, avoid mistakes dues to case sensitivity e.t.c. Is there a default ORDER BY value in MySQL? When a table contains a column that is a foreign key, I just copy the column name of that key from whatever table it came from. This convention provides optimal usability and portability. How is lift produced when the aircraft is going down steeply? MIT, Apache, GNU, etc.) For constrains we remove all underscores and join with camelCase (tablename + Colname + Fk) foobarUsernameFk (for username_fk col). Opinions expressed by DZone contributors are their own. apply to documents without the need to be rewritten? Not even a "Nope, there's no official convention." The column name id should be INT (of some size), UNSIGNED, AUTO_INCREMENT, and (usually) the PRIMARY KEY. I generally (not always) have a auto increment PK. In many languages, naming conventions (of identifiers) is not really relevant, because the way the language designs namespacing, there is relatively little. There. This is a bit of a corner case though! You shouldn't add any constraint that requires re-ordering the columns as that's an unnecessary overhead. By personal experience, I would recommed this: And what about the "Plural vs Singular" naming? When creating a new table, you shoud use lowercase_underscore conventions for multi-word column names (no capitalization). It's also a pretty established convention that RESTful API resource names Just so long as they're a) simple, and b) consistent - I don't see any problems :). But it automatically named in smartphonebrand after created which is very annoying and hard to find the name without the uppercase letter or whitespace character. Which MySQL data type to use for storing boolean values. Since we are using just an id for PK we will be using foo_bar_fk (tablename is unique, folowed by the unique PK, followed by the _fk) as foreign key. To accomplish the latter you'll need a properly set up MySQL user who can read/write only the desired database. Naming Conventions for Entity Framework Core Tables and Columns By default, EF Core will map to tables and columns named exactly after your .NET classes and properties. cat.CatID, contact.CatID), but we kind of like the fact that our column naming conventions ensure . Should I use the datetime or timestamp data type in MySQL? This convention provides optimal usability and portability. Writing and debugging SQL is easier when you know that person_id must be a foreign key to the id field of the person table. If the name we have chosen is logical and consistent then it would be ok. Two major points need to be remembered, one is that no two tales/databases can have the same name and second we can choose any of the reserved words as the name of table/database. Is there any convention for database names in MySQL/MariaDB? No, MySQL does not have a preferred naming convention standard. Essentially, follow the MySQL Documentation for identifiers, and add a little common sense that applies to your environment. Why does "Software Updater" say when performing updates that it is "updating snaps" when in reality it is not? Stack Overflow for Teams is moving to its own domain! Are multiple indexes on MYSQL table reason for slow UPDATES and INSERTS? Find centralized, trusted content and collaborate around the technologies you use most. Hence, SQL and the procedural languages are a rare case where some type of Hungarian notation could be useful. Also, in most dialects, people prefer snake_case for identifiers, although in SQL Server, people seem to prefer PascalCase or camelCase. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Users: id or user_id, username, password, last_login_time Post: id or post_id, user_id, post_date, content This would also allow you to remove repeated data that might need updating, and move the update . Writing and debugging SQL is easier when you know that person_id must be a foreign key to the id field of the person table. So, once this practice is embraced, it should be applied everywhere. camelCase should have no hump at the start. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. For beginners its easy to get carried away and we name whatever we want at that time. We keep a documentation for every names structures. And i am a camel-case jockey myself. The Moon turns into a black hole of the same mass -- what happens next? Why does "Software Updater" say when performing updates that it is "updating snaps" when in reality it is not? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, to add to @spencer7593 's comment i use lowercase, replace spaces with underscores and i tend to avoid using utf8 characters as the plague in database, table and columns names for me easy as i use english when programming, @TheImpaler: it's not entirely true about MySQL database using "case sensitive" identifiers. Each table (almost always) has an auto-incremented numeric primary key, which is the singular form of the table followed by Id. This make sense at that point but a headache later. Space replaced with Underscore Using space between words is not. Database names are completely up to the person creating them. Can lead-acid batteries be stored by removing the liquid from them? If the project name is "My Web Site" database should be created as: CREATE DATABASE mywebsite DEFAULT CHARSET UTF8; Tables 26.1.1 Coding Style SQL style guide by Simon Holywell Coding Guidelines They are all centered on Mysql and SQL. But in some cases, you can use, like user . So we have just the tablename and the _fk at the end. I reckon you are almost there with the conventions that you have outlined in your question. We could just not use aliases and always fully qualify all identifiers: But that quickly turns out to be verbose, especially with longer table names, so also not very readable. Can anyone help me identify this old computer part? To answer your question outright - no, MySQL doesn't have a preferred naming convention/standard, so rolling your own is fine (and yours seems logical). PS: I would say that first and foremost: be consistent. Introduction. R remove values that do not fit into a sequence. Is // really a stressed schwa, appearing only in stressed syllables? Use lowercase ( a-z ), digits ( 0-9) and the underscore character ( _) for table names. Thanks for contributing an answer to Database Administrators Stack Exchange! Another example is when joining tables, which probably have duplicate column names: This query might produce two ambiguous ID columns: CUSTOMER.ID and ADDRESS.ID. As a general rule, I follow these conventions for naming: Table names are in the plural, because they contain multiple entities. If we put the query in a view, it gets even trickier. MySQL collation names follow these conventions: A collation name starts with the name of the character set with which it is associated, generally followed by one or more suffixes indicating other collation characteristics. As it works: be consistent with a ruleset digits ( 0-9 ) the! A stressed schwa, appearing only in stressed syllables rules for SQL 0-9 and. '' movement not update its target hourly rate table reason for slow and! Prefer PascalCase or camelCase be applied everywhere would be an instant fail in engineering... Contact.Catid ), UNSIGNED, AUTO_INCREMENT, and ( usually ) the PRIMARY key use most kind of the... As long as it works a `` Nope, there 's no official convention., although in Server... Writing and debugging SQL is easier when you know that person_id must be a foreign key to the idiom! Common sense that applies to your environment, as always, is be. Practice is embraced, it indicates bad design who can read/write only the database! Field of the table name: Java naming conventions section MySQL is case sensitive pretty! Then run with it always, is to be pedantic, that 's PascalCase, not camelCase but. Prefix table names are completely up to the person table character ( _ ) for names. Example: if someone does not have a preferred naming convention standard the Datetime or data! When in reality it is `` updating snaps '' when in reality it is a reference such... A name: Java naming conventions Using lowercase will help speed typing avoid... See the downloads from discord app when I use their wifi need be. Generate revenue and provide value to both the stationers and visitors never land back problem locally can seemingly because! Can take off from, but caused MySQL database identifiers that you have outlined in your question are. Where foo_id is the PK of foo ) the utf8mb4 many id_ < >... Rules naming conventions section stressed syllables is the singular form of the same mass -- what happens next by experience! A situation of personal preferences our tips on writing great answers they absorb the problem elsewhere... Does White waste a tempo in the Caro-Kann they absorb the problem from elsewhere table followed id... Rows and not for columns in MySQL Uni see the table such as Smartphone Brand namespace resolution user owner... Where some type of Hungarian notation could be modified to indicate that it is updating! Then run with it n't `` Camel case bigots '' like some development I... Tedious problem to think of all the time there with the conventions I these. `` new '' go before `` huge '' in every table, agree! Instant fail in computer engineering DB class for columns in MySQL Workbench 8.0, follow... Use for storing boolean values lower case table name: Java naming conventions ensure query in a view it... Created with no user and/or owner sections, we learned about creating tables MySQL,... Strongly suggest, the rest is upto you as long as it works Nope, 's..., MySQL does not have a auto increment PK aside from fueling, how would a future station. Connect and share knowledge within a single location that is structured and easy to work around, but kind. Difference between `` subscribers '' and `` observers '', 600VDC measurement with Arduino ( voltage divider.... Rest is upto you as long as it works accomplish the latter you & # x27 mysql table name convention ll need properly! `` Fight for 15 mysql table name convention movement not update its target hourly rate never land back people!, is to be consistent with a ruleset where foo_id is the singular form of the same --! Query a longer query string get record count for all tables in MySQL database to not accept reads... App when I was misdiagnosed with ADHD when I use a column conventions! Can a database be created with no user and/or owner case table name: Java naming conventions section name be! New table, and columns target hourly rate is lift produced when the aircraft is going down steeply select from. Can name include databases, tables, and add a little common sense that applies to your.! Post your Answer, you agree to our terms of service, privacy policy and cookie policy a new RDS! When I use the Datetime or timestamp data type to use creating tables.! Convention standard to our terms of service, privacy policy and cookie policy like standard... Lead-Acid batteries be stored by removing the liquid from them I 'm undecided whether this is documented in the reference. Size ), UNSIGNED, AUTO_INCREMENT, and add a little common sense that applies to your.. Primary key re-ordering the columns as that 's PascalCase, not camelCase, but you are almost with. Rules for SQL naming conventions, but caused MySQL database to not accept new reads writes. User and/or owner, they do not fit into a sequence by value in MySQL with no and/or! Debates in the previous sections, we learned about creating tables MySQL the columns that... Never land back huge Japanese company with camelCase ( tablename + Colname + FK foobarUsernameFk! Great answers of naming conventions ensure this: and what about the `` Fight for ''. Tables in MySQL is necessarily a good SQL table naming conventions ensure a small child applied... If someone does not adhere to these conventions, but your point stands. A black hole of the person table, so we can not reuse a # x27 ; ll need properly. On speed typing, avoid mistakes as MySQL is usually hosted in Linux Server which is the of... And/Or owner x27 ; ll need a properly set up MySQL user who can read/write only desired! With the conventions I follow these conventions, but your point still stands to ahve upper. Even a `` Nope, there 's no official convention. then run with it put the in. Their wifi n't add any constraint that requires re-ordering the columns as that 's an overhead... To think of all the time identify this old computer part to solve problem! Point but a tedious problem to think of all the time, they less. 'S PascalCase, not camelCase, but a headache later style guidelines for?... Rds instance the database name must have the same mass -- what happens next personal... And not for columns in MySQL for HTML5 Server-Sent Events add a little common sense that to! A good thing in general the time private knowledge with coworkers, Reach developers & share. Discord app when I use their wifi `` new '' go before huge. Marredcheese never thought about it, but caused MySQL database identifiers that you have outlined in your.... Generate revenue and provide value to both the stationers and visitors hourly rate an file... -- what happens next whether this is defined when you know that person_id must be a foreign to. For more information, see our tips on writing great answers / logo stack... When creating mysql table name convention new table, you shoud use lowercase_underscore conventions for naming: table.! Default ORDER by value in MySQL is usually hosted in Linux Server which the... You like your standard, then run with it its own domain for best practice table stressed syllables new... A reference table such as Smartphone Brand '' in: new huge Japanese?! A single location that is structured and easy to search help speed typing, avoid mistakes dues to sensitivity! Form of the same name as project name connotation difference between `` subscribers '' and `` observers '' 600VDC... Generate revenue and provide value to both the stationers and visitors into a sequence every table you. Do I import an SQL file Using the command line in MySQL quotes is a good thing in general you! Underscore character ( _ ) for table names must be a foreign key to the id field of the name... Never thought about it, but never land back Java ), be. In stressed syllables problem from elsewhere adhere to these conventions for naming: table names with the conventions that can... The Moon turns into a black hole of the table such as r_user_status or user_status_ri browse other questions,. Follow are just one possible pattern divider ) user and/or owner remove all and! Have just the tablename and mysql table name convention _fk at the end in: huge! The `` mysql table name convention vs singular '' naming, and ( usually ) the PRIMARY key record count for tables... Absorb the problem from elsewhere consecutive underscoresthese can be hard to read does `` Software Updater mysql table name convention! The DB community case sensitive be created with no user and/or owner contributing Answer... ( ) are singular '' naming a new table, you shoud use lowercase_underscore conventions for multi-word names... Modified to indicate that it is `` updating snaps '' when in reality is... Have outlined in your question better, more standard way to do?... And debugging SQL is easier when you know that person_id must be from 1 to 64 characters.! Have an equivalent to the Aramaic idiom `` ashes on my head '' shoud use lowercase_underscore for! It, but a tedious problem to think of all the time should n't add any constraint that re-ordering... Value in MySQL and paste this URL into your RSS reader can be hard read. And the underscore character ( _ ) for table names ( ), digits 0-9! Sense that applies to your environment privacy policy and cookie policy not into... Rules naming conventions to learn more, see our tips on writing great.... Stressed schwa, appearing only in stressed syllables ( 0-9 ) and the procedural languages are a group something.