Answers for "alter query"

change data type in mysql

ALTER TABLE table_name

CHANGE COLUMN column_name column_name datatype;

Posted by: Guest on July-31-2020

sql alter table

-- With check if field already exists

IF NOT EXISTS(SELECT 1 FROM sys.columns 
          WHERE Name = N'Email'
          AND Object_ID = Object_ID(N'dbo.Customers'))
BEGIN    
	ALTER TABLE Customers
    ADD Email varchar(255);
END

Posted by: Guest on November-26-2020

ALTER IN SQL

ALTER TABLE DataFlair
ADD emp_id varchar(5);

Posted by: Guest on July-18-2021

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Answers for "alter query"

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Answers for "alter query"

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