HI @Mike Kiser ,
Welcome to Microsoft Q&A!
As mentioned by Nandan, please provide the output of below query via SSMS.
Select * FROM
[MercerStagingDev].[MILKY-WAYTEST\AppSQLVST4DotNetDev-R].[SSFCeridianMappedFileV5]
WHERE phoneIsPrimary= 'False';
Besides, what is the data type of phoneIsPrimary? If it is bit, you could also have a try with below:
DELETE FROM
[MercerStagingDev].[MILKY-WAYTEST\AppSQLVST4DotNetDev-R].[SSFCeridianMappedFileV5]
WHERE phoneIsPrimary= 0;
If above is not working, we recommend that you post CREATE TABLE statements for your tables together with INSERT statements with sample data, enough to illustrate all angles of the problem. We also need to see the expected result of the sample.
Best regards
Melissa
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