Update README.md

2026-04-30 14:03:55 +07:00 · 2021-07-29 08:21:46 +05:30
parent 56bb09c1c5
commit 546e0af150
1 changed files with 5 additions and 1 deletions
@@ -688,4 +688,8 @@ There are different types of joins available in SQL −
      CREATE INDEX index_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.
+
+