Update README.md

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GowthamRaj K
2021-07-29 08:18:02 +05:30
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@@ -664,3 +664,7 @@ There are different types of joins available in SQL
# SQL - Alias ✍ # SQL - Alias ✍
- The use of table aliases is to rename a table in a specific SQL statement.
- The renaming is a temporary change and the actual table name does not change in the database.
- The column aliases are used to rename a table's columns for the purpose of a particular SQL query.