SQL Server – Displaying line numbers in Query Editor – SSMS

You can enable line numbers to be displayed in SSMS Query Editor. This is extremely useful when working on a large module.
To enable line numbers in Query Editor windows, follow below steps:
Step1: Go to Tools - Options
Step2: In the Options dialog box navigate to Text Editor - Transact-SQL - General
Step 3: Check “Line Numbers” and click on “OK”