What is difference between hql and sql?

0 Answers  

---

When are we going to use truncate and delete?

0 Answers  

---

What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.

7 Answers   Satyam,

---

how is exception handling handled in mysql? : Sql dba

0 Answers  

---

What do you mean by table in sql?

0 Answers  

---

---

What is bulk collections?

2 Answers  

---

Let us suppose we have a table with structure in order empno empname empdesig empcountry and now i want to re-organize the columns of this table to empno empdesig empname empcountry how can i do this with queries ? assume that table contains the data.

3 Answers  

---

What are the pre requisites?

1 Answers  

---

How sql query is executed?

0 Answers  

---

what is explain plan?

4 Answers  

---

What is compute?

0 Answers  

---

What is function and procedure in pl sql?

0 Answers  

---