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 vote214 views3 answers
Postgresql allow remote connections
SQL
5 votes235 views1 answer
Get table columns from sql
SQL
0 vote184 views1 answer
Get records in sql according to month name and count
SQL
0 vote183 views1 answer
Check if a word appears at the end sql query
SQL
0 vote206 views1 answer
Database get 10 user aleatory
SQL
3 votes204 views2 answers
Sql select data from last week
SQL
0 vote186 views1 answer
Fetch second word from a string in ms sql
SQL
0 vote302 views1 answer
Add user mysql wordpress
SQL
2 votes202 views1 answer
Oracle find constraints referencing a table
SQL
2 votes263 views1 answer
How to check grants on a package in oracle
SQL