Answers for "append columns in sql"

SQL
7

append column sql

ALTER TABLE table_name
ADD column_name datatype;

--example
ALTER TABLE Customers
ADD Email varchar(255);
Posted by: Guest on May-11-2020
-1

concat two columns in sql server

select Convert(nvarchar(50),ID)+'-'+Convert(nvarchar(50),Year) as ID_Year from tablename
Posted by: Guest on July-23-2020

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