phone number sql
phone varchar(15) NOT NULL UNIQUE,
-- Here is a good column for phone number with datatype varchar(15)phone number sql
phone varchar(15) NOT NULL UNIQUE,
-- Here is a good column for phone number with datatype varchar(15)sql server phone constraint
CONSTRAINT chk_phone CHECK (phone like '[0-9][0-9][0-9][0-9][0-9][0-9][0-9]') -- check that no number is not a digitCopyright © 2021 Codeinu
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