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 vote281 views1 answer
SQL Server date literal
SQL
0 vote224 views1 answer
Query for maximum salary
SQL
4 votes271 views2 answers
Tsql utf to local time
SQL
0 vote275 views1 answer
Incorrect string value: '\xC4\x81ne' for column
SQL
1 vote258 views1 answer
Sqlite create index
SQL
7 votes266 views3 answers
Foreign key oracle
SQL
0 vote245 views1 answer
Sql cross apply vs join
SQL
0 vote262 views1 answer
Call procedure in wordpress
SQL
3 votes261 views1 answer
Sql server version query
SQL
4 votes259 views1 answer
Force drop all tables postgres
SQL