Answers for "inset new columns 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
-2

modify column name in tsql

sp_rename 'table_name.old_column', 'new_name', 'COLUMN';
Posted by: Guest on May-08-2020

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