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GowthamRaj K
2021-07-27 20:46:36 +05:30
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@@ -311,8 +311,9 @@ Following are some of the most commonly used constraints available in SQL −
PRIMARY KEY( one or more columns ) PRIMARY KEY( one or more columns )
); );
SQL DROP TABLE Statement ### SQL DROP TABLE Statement
DROP TABLE table_name; DROP TABLE table_name;
SQL CREATE INDEX Statement SQL CREATE INDEX Statement
CREATE UNIQUE INDEX index_name CREATE UNIQUE INDEX index_name
ON table_name ( column1, column2,...columnN); ON table_name ( column1, column2,...columnN);