add column in sql default value code example
Example 1: add column table sql default value
ALTER TABLE users
ADD visit_number INT DEFAULT 0;
Example 2: 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.