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 vote359 views1 answer
Transaction and commit trong sql server
SQL
0 vote348 views1 answer
Select milliseconds mysql
SQL
0 vote346 views1 answer
Hou to run job from cmd .exe sql server jop
SQL
1 vote309 views1 answer
Sql only five first row
SQL
3 votes344 views1 answer
APEX elapsed time
SQL
0 vote334 views1 answer
Mysql change innodb to myisam
SQL
18 votes316 views3 answers
Mysql number format
SQL
0 vote318 views1 answer
Output table plsql
SQL
7 votes300 views2 answers
Create mysql user
SQL
0 vote333 views1 answer
Mysql join column order By and group By
SQL