Update README.md

2026-04-30 22:13:56 +07:00 · 2021-07-29 08:19:46 +05:30
parent c3c931652f
commit 816a0f75ee
1 changed files with 4 additions and 0 deletions
@@ -674,3 +674,7 @@ There are different types of joins available in SQL −
 # SQL - Indexes ✌
 - Indexes are special lookup tables that the database search engine can use to speed up data retrieval. 
 - Simply put, an index is a pointer to data in a table. 
 - An index in a database is very similar to an index in the back of a book.