Update README.md

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GowthamRaj K
2021-07-29 08:22:30 +05:30
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@@ -694,3 +694,8 @@ There are different types of joins available in SQL
CREATE UNIQUE INDEX index_name CREATE UNIQUE INDEX index_name
on table_name (column_name); on table_name (column_name);
### Composite Indexes
- A composite index is an index on two or more columns of a table.