postgres add not null to existing column
ALTER TABLE table_name ALTER COLUMN column_name SET NOT NULL;postgres add not null to existing column
ALTER TABLE table_name ALTER COLUMN column_name SET NOT NULL;alter column to not null with default value sql server
ALTER TABLE SomeTable
ADD SomeCol Bit NULL --Or NOT NULL.
CONSTRAINT D_SomeTable_SomeCol --When Omitted a Default-Constraint Name is autogenerated.
DEFAULT (0)--Optional Default-Constraint.
WITH VALUES --Add if Column is Nullable and you want the Default Value for Existing Records.Copyright © 2021 Codeinu
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