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GowthamRaj K
2021-07-27 20:47:28 +05:30
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@@ -318,9 +318,10 @@ Following are some of the most commonly used constraints available in SQL −
CREATE UNIQUE INDEX index_name CREATE UNIQUE INDEX index_name
ON table_name ( column1, column2,...columnN); ON table_name ( column1, column2,...columnN);
SQL DROP INDEX Statement ### SQL DROP INDEX Statement
ALTER TABLE table_name ALTER TABLE table_name
DROP INDEX index_name; DROP INDEX index_name;
SQL DESC Statement SQL DESC Statement
DESC table_name; DESC table_name;
SQL TRUNCATE TABLE Statement SQL TRUNCATE TABLE Statement