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

15 votes340 views3 answers
Find duplicate keys in mysql
SQL
33 votes418 views6 answers
Sql delete
SQL
1 vote352 views1 answer
Mysql event last execution
SQL
0 vote372 views2 answers
Many to many flask-sqlalchemy
SQL
0 vote350 views1 answer
Sql get count without group by
SQL
1 vote333 views1 answer
Real world example of nosql
SQL
0 vote346 views1 answer
Hibernate xml property MySQL url, username and password
SQL
17 votes318 views2 answers
How to assign date field for table in mysql
SQL
0 vote337 views1 answer
Connect postgresql using a connection string
SQL
2 votes368 views2 answers
Mysql alter column default
SQL