16CACCA1CP II-B.Com (CA) INTRODUCTION TO ORACLE AND
SQL
Week # 1 Laboratory : Implementation of DDL Commands.
Date : ____________
To create a student database by using DDL commands in SQL
Source Code :
Create:
Create table karthistud(sno number(5), sname varchar(15), address varchar(30), class
varchar(10));
Desc karthistud;
Alter:
Alter table student add section varchar(10);
Desc student;
Department of Commerce, Valluvar College of Science and Management. Karur Page 1
,16CACCA1CP II-B.Com (CA) INTRODUCTION TO ORACLE AND
SQL
Modify:
Alter table karthistud modify class varchar(15);
Desc karthistud;
Drop column:
Alter table karthistud drop column address;
Desc karthistud;
Department of Commerce, Valluvar College of Science and Management. Karur Page 2
,16CACCA1CP II-B.Com (CA) INTRODUCTION TO ORACLE AND
SQL
Rename:
Rename karthistud to karthistudent;
Desc karthistud;
Desc karthistudent;
Drop table:
Drop table karthistudent;
Desc karthistudent;
Department of Commerce, Valluvar College of Science and Management. Karur Page 3
, 16CACCA1CP II-B.Com (CA) INTRODUCTION TO ORACLE AND
SQL
Extra Credit:
To create a employee database and implement DDL commands.
Department of Commerce, Valluvar College of Science and Management. Karur Page 4
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