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SQL Add Column Position

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The Tutorial helps you to understand an example from 'SQL Add Column Position' in Mysql.

SQL Add Column Position

     

The Tutorial helps you to understand an example from 'SQL  Add Column Position' in Mysql. To understand and grasp the example we simply create a table 'Stu_Table' with required fieldnames and datatypes respectively.

Understand with Example

The Tutorial illustrate an example from 'SQL Add Column Position'.To understand and grasp this example we create a table 'Stu_Table' with required fieldname and datatypes respectively. 

 

 

 

Create Table Stu_Table

create table Stu_Table(Stu_Id integer(2), Stu_Name varchar(15));

Insert data into Stu_Table

The insert into adds the records or rows to the table '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);

 Stu_Table

Stu_Id Stu_Name
1 Komal
2 Ajay
3 Rakesh
4 Bhanu
5 Santosh

SQL Add Column Syntax

The Alter Table is used to modify the definition of table and add the columns to the table in order.

ALTER TABLE table_name
ADD column_name column-definition [ FIRST | AFTER col_name ]

SQL Add Column Query

The below Query is used to redefine the table 'Stu_Table' and add the column Stu_Name followed by the sequence Stu_Class.

Alter Table Stu_Table add Stu_Class int(10) AFTER Stu_Name

Stu_Table

Stu_Id Stu_Name Stu_Class
1 Komal NULL
2 Ajay NULL
3 Rakesh NULL
4 Bhanu NULL
5 Santosh NULL
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Posted on: January 20, 2009

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