Sql alter column

Sql change column types

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

-- Example
ALTER TABLE product
ALTER COLUMN description VARCHAR(250);

Sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Source: sqlservertutorial.net

Sql alter column

Changes the data type of a table’s column.
Example: In the ‘users’ table, make the column ‘incept_date’ into a
‘datetime’ type.
ALTER TABLE users
ALTER COLUMN incept_date datetime;

Rename column sql

ALTER TABLE nom_table
RENAME COLUMN colonne_ancien_nom TO colonne_nouveau_nom

Source: sql.sh

Change data type in mysql

ALTER TABLE table_name

CHANGE COLUMN column_name column_name datatype;

Similar codes

0 vote159 views1 answer
Get created time of database psql 8
SQL
0 vote133 views1 answer
Sql DATE = GETDATE()
SQL
0 vote136 views1 answer
Symfony\Component\Debug\Exception\FatalThrowableError : Class 'Doctrine\DBAL\Driver\PDOSqlite\Driver' not found
SQL
3 votes136 views3 answers
Mysql select table names
SQL
0 vote165 views1 answer
Mysql subtract month from timestamp
SQL
1 vote141 views2 answers
Postgresql backup and restore globals and data
SQL
0 vote157 views1 answer
Executescalar in sql server
SQL
4 votes149 views1 answer
SQL find text in SP
SQL
0 vote139 views1 answer
St_buffer mysql
SQL
1 vote127 views1 answer
Sql only five first row
SQL