sql - Creating a check constraint for multiple specific inputs -


i assumed fine execute sql ommand this

installation' or 'software repair'

this didn't work tried

this didn't go great either, got missing expression data recovery

this gave me cannot validate sys.ch_servicetype -check constraint violated

does mean constraint in place? if not

how can enforce check constraint table require specific values?

thanks

use in keyword.

servicetype in ('training', 'data_recovery', 'consultation', 'software  installation', 'software repair')

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