mysql set default value code example

Example 1: set default value mysql db

ALTER TABLE mytbl ALTER j SET DEFAULT 1000;

Example 2: how to add default constraint in mysql

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

Example 3: default number in sql

//Sql Server

//Add a table 
ALTER TABLE clients ADD Points INT DEFAULT 0
//Edit an existing table
ALTER TABLE clients ADD CONSTRAINT points DEFAULT 0 FOR Points

Example 4: set default column value sql

Name Varchar(255) default "Fred"

Example 5: mysql default value

CREATE TABLE table_name(
   column_name data_type,
   Column_name data_type DEFAULT ‘value’
);