SQL Statement Classes

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Long-standing classes for SQL statements originated back in the days of the SQL92 standard.  These classifications are still common: Data Manipulation Language (DML): SQL statements which manipulate data, such as SELECT, INSERT, UPDATE, DELETE and MERGE. Data Definition Language (DDL): SQL statements control the creation, modification, and removal of database objects, such as CREATE, ALTER and DROP. Data Control Language (DCL): SQL statements related to permissions to execute and access database objects and data, such as GRANT and REVOKE.  Starting with SQL3, seven core categories define the … [Read more...]

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