Answers for "adding default value to a column in sql"

add column table sql default value

ALTER TABLE users
ADD visit_number INT DEFAULT 0;

how to add default constraint in mysql

ALTER TABLE "name_table" ALTER "name_column" 
SET DEFAULT value_default;

How to Add a Default Value to a Column in MS SQL Server

ALTER TABLE <table_name> ADD DEFAULT <DEFAULT_VALUE> FOR <NAME_OF_COLUMN>

set default column value sql

Name Varchar(255) default "Fred"

add column alter table default value

ALTER TABLE PERSON
ADD IS_ACTIVE VARCHAR2(1) DEFAULT 'N' NOT NULL

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.