समाचार

The DEFAULT constraint is used to set a default value for a column. The default value will be added to all new records, if no other value is specified. # Default constraint using CREATE table ...
CREATE TABLE `constraints` ( `id` int NULL, `name` varchar (45) NOT NULL, `date_of_birth` varchar (45) NOT NULL, `sex` varchar (45) NOT NULL, `name_of_university` varchar (45) DEFAULT 'University of ...