SQL Add Column Position is used to add the column at the specific position. The Alter statement copy the structure of existed table and make a modify a table on the basis of specified Query.
Understand with Example
The Tutorial illustrates an example from SQL Add Column Position to the existing table 'Stu_Table'.
Create Table Stu_Table
create table Stu_Table(Stu_Id integer(2), Stu_Name varchar(15))
Insert data into Stu_Table
insert into Stu_Table values(1,'Komal') insert into Stu_Table values(2,'Ajay') insert into Stu_Table values(3,'Rakesh') insert into Stu_Table values(4,'Bhanu') insert into Stu_Table values(5,'Santosh)
SQL Add Column Syntax
The ALTER Table is used to modify table name 'table_name' and add a column at the specific position. The first column specify the position of the column to be come first in table followed by a after column in a table. The Syntax is given as :
ALTER TABLE table_name ADD column_name column-definition [ FIRST | AFTER col_name ]
SQL Add Colum Query
The SQL Add Column Query add a Stu_Name column followed by Stu_Name in the Table Stu_Table.
Alter Table Stu_Table add Stu_Class int(10) AFTER Stu_Name
View data Stu_Table
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