Change column data type sql

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 type of column

ALTER TABLE TableName
MODIFY COLUMN ColumnName DataType;

Source: stackoverflow.com

T-SQL Alter the column data type

ALTER TABLE dbo.MyTable ALTER COLUMN MyColumn VARCHAR(20) NOT NULL;

Source: stackoverflow.com

Change column data type sql

ALTER TABLE TableName 
ALTER COLUMN ColumnName NVARCHAR(200) [NULL | NOT NULL]

Source: stackoverflow.com

Alter column type

ALTER TABLE schema.table
    ALTER COLUMN column
    DROP DEFAULT;
ALTER TABLE schema.table
    ALTER COLUMN column TYPE INTEGER[]
    USING array[column]::INTEGER[];
ALTER TABLE schema.table
    ALTER COLUMN column SET DEFAULT '{}';

Source: stackoverflow.com

Similar codes

0 vote321 views1 answer
Find largest table in mysql database
SQL
2 votes324 views1 answer
Oracle find unusable indexes
SQL
1 vote338 views2 answers
Test sqlsrv connection
SQL
0 vote362 views2 answers
Temp tables in sql server
SQL
0 vote313 views1 answer
Change data type in mysql
SQL
0 vote307 views1 answer
Vbscript create ADODB.Connection
SQL
0 vote328 views2 answers
SQL Server log file truncate - Source :NAYCode.com
SQL
1 vote332 views2 answers
Sql select only row with the max date
SQL
1 vote335 views1 answer
How to change owner in postgres
SQL
0 vote368 views1 answer
Pgadmin save data greyed out
SQL