user_columnName, do it with id too. A clear naming convention has been essential for me for years because it is sometimes years that pass before I have to revisit some database that I wrote or modified for a client. Letter-casing Conventions SQL commands, datatypes, and constraints (e.g. Ensure the name is unique and does not exist as a reserved keyword. ... (92, 99 and 2003), MySQL 3 to 5.x, PostgreSQL 8.1, MS SQL Server 2000, MS ODBC and Oracle 10.2 reserved keywords. All databases must use UTF8 charset. MySQL Coding Standards and Naming Conventions. If you will name all columns with prefix e.g. I am looking for a standard naming convention for databases. Don't prefix table names with the database name. cat.CatID, contact.CatID), but we kind of like the fact that our column naming conventions … and. One notable exception is Mac OS X, which is Unix-based but uses a default file system type (HFS+) that is not case sensitive. Probably there is some kind of overall naming convention out there, looked on google and such but only found conventions that people personally liked but no standards. A possible exception is id--> foo_id to be consistent with references to it in other tables. mysql column naming conventions for foreign keys. And, when JOINing, you should use table names (or aliases) on every column name to make it clear what table the column comes from. Database, table, and column names cannot end with space characters." Too much clutter. DEFAULT, PRIMARY KEY, AUTO INCREMENT, etc.) Ask Question Asked 7 years, 6 months ago. Sure, we know that in our php coding we can specify which column name refers to which table (eg. Database name must have the same name as project name. General rules for MySQL database tables, fields, indices and queries. Naming conventions General. should be in ALLCAPS.It is legal to write commands in lowercase, but this often leads to subtle bugs with lowercase attribute/column names, so we expect you to use the ALLCAPS convention for any commands or datatypes. Engine is always MyISAM except in special case when required different. MySQL table and column Naming Conventions. Don't prefix column names with the table name. For example: is it good to use tablenames in column names like: table => tb_id,tb_text,tb_name and such. phantom007 2012-01-22 06:51:54 UTC #1. Databases. SQL naming conventions for tables, and all the associated objects such as indexes, constraints, keys and triggers, are important for teamwork. Hello everyone! Poorly-named tables and other objects make it difficult to maintain databases. Column and index names are not case sensitive on any platform, nor are column … database and table names are not case sensitive in Windows, and case sensitive in most varieties of Unix. The name of a variable in the code, in the form XXX (a global variable) or CCC::MMM (a member MMM in class CCC).Examples: COND_thread_cache, THR_LOCK_myisam, BINLOG::LOCK_index. If I would use id_user I would avoid postfixing and named other self-columns without post/prefix. A name for the major element (a server module such as myisam, innodb, mysys, or sql) or a plugin name. Posted by: Paul Whipp 9 years, 10 months ago (8555 hits) I am sometimes asked about my naming convention for MySQL. Why? Database. MySQL Naming Convention Engine and charset. Table names must follow the rules for SQL Server identifiers, and be less than 128 characters. ... Indent the constraint so that it aligns to the right of the column name. To the right of the column name refers to which table (.. And case sensitive in most varieties of Unix id_user I would avoid postfixing and named other self-columns without.... 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