Answers for "how to change the datatype of a column in sql"

sql change column types

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

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

Posted by: Guest on May-07-2020

sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Posted by: Guest on June-01-2020

sqlserver add column to table

ALTER TABLE dbo.doc_exa 
ADD column_b VARCHAR(20) NULL, 
	column_c INT NULL ;

Posted by: Guest on April-08-2020

sql alter type of column

ALTER TABLE TableName
MODIFY COLUMN ColumnName DataType;

Posted by: Guest on May-07-2021

Change column data type sql

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

Posted by: Guest on August-03-2021

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