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Add new column

Code examples

69
0

sql add column 

ALTER TABLE Customers
ADD Email varchar(255);
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alter table add column 

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
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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
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Add a new column into table 

ALTER TABLE table ADD [COLUMN] column_name;

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