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Name] VARCHAR(50)) GO --Add sample records to the Customer table INSERT INTO dbo.Customer(id, Cust Name, Phone No], [Zip Code], [City.

Let’s take an example where we’re updating a table called Monsters.

A column cannot be assigned more than one value in the same clause.

The WHERE clause specifies which record(s) that should be updated.

An application developer came to me with this question recently: “Can I use the same column twice in a SQL UPDATE statement? Here’s the code to build it: CREATE TABLE Monsters (First Name VARCHAR(50) NULL , Last Name VARCHAR(50) NULL , Is Scary BIT NULL); INSERT Monsters (First Name, Last Name, Is Scary) VALUES ('Cookie', 'Monster', 0) ,('Frankenstein''s', 'Monster', 1) ,('Gila', 'Monster', 0) ,('Herman', 'Munster', 0); SELECT * FROM Monsters; Msg 264, Level 16, State 1, Line 20 The column name 'Last Name' is specified more than once in the SET clause or column list of an INSERT.

Instead you can check to see what columns are updated in the body of the trigger by using the UPDATING ('column_name') clause.

create table Employee( 2 ID VARCHAR2(4 BYTE) NOT NULL, 3 First_Name VARCHAR2(10 BYTE), 4 Last_Name VARCHAR2(10 BYTE), 5 Start_Date DATE, 6 End_Date DATE, 7 Salary Number(8,2), 8 City VARCHAR2(10 BYTE), 9 Description VARCHAR2(15 BYTE) 10 ) 11 / Table created.

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All INSTEAD OF triggers are fired for each row and you cannot narrow down the event by column.

Name]) VALUES(1,' Basavaraj Biradar', '123-123', '560001', ' Bangalore'), (2,' Shreeganesh Biradar', '321-321', '560025', ' Mysore') GO --Create Procedure to get all the records from customer table CREATE PROCEDURE dbo. Get Customers GO Result: Below is the pictorial representation of the table column rename using SP_RENAME Basically, sql server returns this warning to alert us to update all the places wherever we are referring this column.

Get Customers AS SELECT id, Cust Name, Phone No], [Zip Code], [City. For example take a scenario where if the old column name is still referred in a stored procedure even after the column rename using sp_rename.You can reference a column in an UPDATE statement as many times as you like, but you can only set its value once.If you need to change the value a second time, SQL Server requires a second UPDATE statement.


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