Change A filed to not null
ALTER TABLE
clients
ALTER COLUMN
phone
NVARCHAR(20) NOT NULL;
Change A filed to not null
ALTER TABLE
clients
ALTER COLUMN
phone
NVARCHAR(20) NOT NULL;
SQL Alter column to be not null
ALTER TABLE table_name
ALTER COLUMN col_name data_type NOT NULL;
add new column not null sql server
ALTER TABLE MY_TABLE
ADD STAGE INT NOT NULL
DEFAULT '0';
change sql column from null to not null
ALTER TABLE [TABLE_NAME] CHANGE [COLUMN_NAME] [COLUMN_NAME] [COLUMN_TYPE] NOT NULL DEFAULT [DEFAULT];
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