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Resources » Articles/Knowledge Sharing » Education »
Dml
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DATA MANIPULATION LANGUAGE COMMANDS
INSERT COMMAND:
INSERT SINGLE RECORD:
SQL> Insert into employeee values (100,'preethi', 29,66666.66,'28-jan-00');
1 row created.
SQL> select * from employeee;
ENO ENAME AGE SALARY DOJ
---------- --------------- ---------- ---------- ---------
100 preethi 29 66666.66 28-JAN-00
INSERT MORE RECORDS:
SQL> Insert into employeee values (&eno,'&ename', &age, &salary,'&doj');
Enter value for eno: 101
Enter value for ename: swathi
Enter value for age: 30
Enter value for salary: 66655.55
Enter value for doj: 20-dec-1999
old 1: insert into employeee values (&eno,'&ename', &age, &salary,'&doj')
new 1: insert into employeee values (101,'swathi', 30,66655.55,'20-dec-99')
1 row created.
SQL> /
Enter value for eno: 102
Enter value for ename: deepika
Enter value for age: 28
Enter value for salary: 54432.22
Enter value for doj: 20-feb-2001
old 1: insert into employeee values (&eno,'&ename',&age,&salary,'&doj')
new 1: insert into employeee values (102,'deepika',28,54432.22,'20-feb-01')
1 row created.
SQL> select * from employeee;
ENO ENAME AGE SALARY DOJ
---------- --------------- ---------- ---------- ---------
100 preethi 29 66666.66 28-JAN-00
101 swathi 30 66655.55 20-DEC-99
102 deepika 28 54432.22 20-FEB-01
UPDATE COMMAND:
SQL> Update employeee set salary=salary*0.05+salary where doj<='01-jan-00';
1 row updated.
SQL> select * from employeee;
ENO ENAME AGE SALARY DOJ
---------- --------------- ---------- ---------- ---------
100 preethi 29 66666.66 28-JAN-00
101 swathi 30 69988.33 20-DEC-99
102 deepika 28 54432.22 20-FEB-01
DELETE COMMAND:
DELETE WITH CONDITION:
SQL> Delete from employeee where age>29 and age<32;
2 rows deleted.
SQL> select * from employeee;
ENO ENAME AGE SALARY DOJ
---------- --------------- ---------- ---------- ---------
100 preethi 29 66666.66 28-JAN-00
102 deepika 28 54432.22 20-FEB-01
DELETE WITHOUT CONDITION:
SQL> delete from employeee;
2 rows deleted.
SQL> select * from employeee;
no rows selected
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