One of the must have settings is line numbers in your SQL script editor this makes life a lot easier to navigate as your queries get longer https://selectdistinct.co.uk/sql-tips-line-numbers

2. How and why to use line
numbers in SSMS

3. As your SQL scripts get longer,
having the ability to quickly
and easily find a specific row in
the code can be a real time
saver
Avoiding the need to scroll

4. To turn on line numbers
Tools  Options
Text Editor 
Transact SQL  General
Then select the option for line
numbers in the settings box
Click OK

5. You now have line numbers in
the editor window

6. You can also use a shortcut to
go to a specific line
CTRL + G, brings up the Go To
Line dialogue box, enter the
line number you want and
press OK
Or you can use Edit, Go To, Go
To Line to bring up the same
dialogue box

7. Hope you found this useful

8. For more Tips, Tricks and
Timesavers, visit our website
Tips and Timesavers | Select Distinct Limited
Credit: simon.harrison@selectdistinct.co.uk