How to select true false based on column value in SQL Server?

Hello everyone, today's I am going to share the query for select true and false based on column value using the SQL CASE as given below.

CASE WHEN ColumnName IS NULL THEN 'False' ELSE 'True' END

In the below example, UNIT is a table name and UNITID, UNIT and UPDATEDATE is the columns name. Here I using the case on UPDATEDATE column.

For the detail you can see the example.

SELECT E.UNITID,

E.UNIT,

CASE

WHEN E.UPDATEDDATE IS NULL THEN 'NOT UPDATED'

ELSE 'UPDATED'

END AS RTURNING

FROM UNIT E

--OR

SELECT MP.MASTERPLANID,

MP.DISPLAYNAME,

CASE

WHEN MP.MOBILENO IS NULL THEN 'False'

ELSE 'True'

END AS ADDONS

FROM MASTERPLAN MP WHERE MP.EQUIPMENTID=8

Please see the live output as given in below screen.

Thank you!

By Anil Singh | Rating of this article (*****)

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