Commenting and Uncommenting Code in SQL Server Management Studio

To comment out lines of code in SQL Server Management Studio (SSMS) Query Window, select lines of code you want to comment out and hit the keyboard shortcut 'CTRL+K' followed by 'CTRL+C'.

You can also select the lines of code and press the 'Comment out the selected lines.' button:

ssms_comment_code

You can comment out selected lines of code from the menu bar:
Edit -> Advanced -> Click 'Comment Selection'

ssms_comment_menu

To uncomment lines of code in SQL Server Management Studio (SSMS) Query Window, select lines of code you want to uncomment and hit the keyboard shortcut 'CTRL+K' followed by 'CTRL+U'.

You can also select the lines of code and press the 'Uncomment the selected lines.' button:

ssms_uncomment_code

You can uncomment selected lines of code from the menu bar:
Edit -> Advanced -> Click 'Uncomment Selection'

ssms_uncomment_menu