[Obsolete] SQL
The standards have moved to GitLab pages, Drupal coding standards.
SQL best practices for Drupal.
[Obsolete] SQL coding conventions
[Obsolete] Reserved Words, capitalisation and user-supplied data, naming, configuring DB server for standards compliance
[Obsolete] List of SQL reserved words
[Obsolete] Reference list of SQL reserved words
[Obsolete] Avoid "SELECT * FROM ..."
[Obsolete] Standard explaining why not to use a certain form of SELECT queries