SQL Server 'JADU'

SQL Server JADU --- 'Joins',  'Alters' ,  'DDL' & 'UNION'

J:- Joins

https://learn.microsoft.com/en-us/sql/relational-databases/performance/joins?view=sql-server-ver16

A:- Alters

Alter Index

https://learn.microsoft.com/en-us/sql/t-sql/statements/alter-index-transact-sql?view=sql-server-ver16

Alter Tables

https://learn.microsoft.com/en-us/sql/relational-databases/tables/add-columns-to-a-table-database-engine?view=sql-server-ver16

Alter Permissions

https://learn.microsoft.com/en-us/sql/relational-databases/security/permissions-database-engine?view=sql-server-ver16

D:- DDL (Data Definition Language)

https://learn.microsoft.com/en-us/sql/t-sql/statements/statements?view=sql-server-ver16

U:- Union

https://learn.microsoft.com/en-us/sql/t-sql/language-elements/set-operators-union-transact-sql?view=sql-server-ver16