SQL Commands: DML, DDL, DCL, TCL, DQL with Query Example 11 BEST Database Management Software (2025) Key Constraints An attribute that can uniquely identify a tuple in a relation is called the key of the table. The value of the attribute for different tuples in the relation has to ...
DDL (Data Definition Language) commands are utilized for altering the database structure, such as creating or removing a table or adding/removing a column from a table. The primary commands associated with DDL are TRUNCATE, DROP, ALTER, and CREATE. DML (Data Manipulation Language) includes the ...
STL_DDLTEXT STL_DELETE STL_DISK_FULL_DIAG STL_DIST STL_ERROR STL_EXPLAIN STL_FILE_SCAN STL_HASH STL_HASHJOIN STL_INSERT STL_LIMIT STL_LOAD_COMMITS STL_LOAD_ERRORS STL_LOADERROR_DETAIL STL_MERGE STL_MERGEJOIN STL_MV_STATE STL_NESTLOOP STL_PARSE STL_PLAN_INFO STL_PROJECT STL_QUERY STL_...
STL_DDLTEXT STL_DELETE STL_DISK_FULL_DIAG STL_DIST STL_ERROR STL_EXPLAIN STL_FILE_SCAN STL_HASH STL_HASHJOIN STL_INSERT STL_LIMIT STL_LOAD_COMMITS STL_LOAD_ERRORS STL_LOADERROR_DETAIL STL_MERGE STL_MERGEJOIN STL_MV_STATE STL_NESTLOOP STL_PARSE STL_PLAN_INFO STL_PROJECT STL_QUERY STL_...