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GowthamRaj K
2021-07-29 08:21:46 +05:30
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@@ -688,4 +688,8 @@ There are different types of joins available in SQL −
CREATE INDEX index_name CREATE INDEX index_name
ON table_name (column_name); ON table_name (column_name);
### ### Unique Indexes
- Unique indexes are used not only for performance, but also for data integrity.
- A unique index does not allow any duplicate values to be inserted into the table.