SQL Alter column to be not null
ALTER TABLE table_name
ALTER COLUMN col_name data_type NOT NULL;SQL Alter column to be not null
ALTER TABLE table_name
ALTER COLUMN col_name data_type NOT NULL;is not null sql
select c_custkey, c_name, c_address from customer where c_custkey in (select o_orderkey from orders where o_orderkey IS NOT NULL)Copyright © 2021 Codeinu
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