Where can I learn sql for free?

0 Answers  

---

How do I save a sql query?

0 Answers  

---

How do we use distinct statement? What is its use?

0 Answers  

---

write a query to delete similar records in different tables with same structure

4 Answers  

---

What are the different datatypes available in PL/SQL?

0 Answers  

---

---

Can we use commit or rollback in trigger? If yes, then how. Please explain with a suitable example?

5 Answers   HSBC,

---

IF i write before / after insert / update trigger and i do rollback what will happen?

5 Answers   KPIT,

---

What is the difference between function and procedure in pl/sql?

0 Answers  

---

What is program debugging?

0 Answers  

---

What is coalesce sql?

0 Answers  

---

Does google use sql?

0 Answers  

---

type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...

1 Answers   Satyam,

---