Sql default

Set default column value sql

Name Varchar(255) default "Fred"

How to add default constraint in mysql

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

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

Sql default

Sets a default value for a column;
Example 1 (MySQL): Creates a new table called Products which has a
name column with a default value of ‘Placeholder Name’ and an available_
from column with a default value of today’s date.
CREATE TABLE products (
id int,
name varchar(255) DEFAULT 'Placeholder Name',
available_from date DEFAULT GETDATE()
);
Example 2 (MySQL): The same as above, but editing an existing table.
ALTER TABLE products
ALTER name SET DEFAULT 'Placeholder Name',
ALTER available_from SET DEFAULT GETDATE();

Add column alter table default value

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

-1

Source: stackoverflow.com

Similar codes

0 vote195 views1 answer
Concatenate columns in table
SQL
0 vote204 views1 answer
Connexion mysql
SQL
0 vote203 views1 answer
Original Query
SQL
4 votes230 views3 answers
Sql find second highest salary employee
SQL
0 vote192 views1 answer
Postgresql parse json array
SQL
0 vote191 views1 answer
Sqlalchemy.exc.DBAPIError: (ibm_db_dbi.Error) ibm_db_dbi::Error: SystemError('<built-in function connect> returned NULL without setting an error')
SQL
1 vote215 views1 answer
Sql dcl
SQL
1 vote205 views1 answer
How do you use sql in you company
SQL
0 vote183 views1 answer
Sort by last two number sql
SQL
1 vote220 views1 answer
Cannot drop database because it is currently in use
SQL