Answers for "alter table query in sql"

SQL
10

sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);
Posted by: Guest on June-01-2020
13

alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
Posted by: Guest on April-08-2020
0

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
0

ALTER IN SQL

ALTER TABLE DataFlair
ADD emp_id varchar(5);
Posted by: Guest on July-18-2021

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