add new column in sql server with default value code example
Example 1: add column table sql default value
ALTER TABLE users
ADD visit_number INT DEFAULT 0;
Example 2: alter table add column with default value
ALTER TABLE Protocols
ADD ProtocolTypeID int NOT NULL DEFAULT(1)
Example 3: add column alter table default value
ALTER TABLE PERSON
ADD IS_ACTIVE VARCHAR2(1) DEFAULT 'N' NOT NULL