What is a self join ?

6 Answers   BirlaSoft,

---

what is sql? : Sql dba

0 Answers  

---

Explain ddl statements in pl/sql?

0 Answers  

---

What is the difference between sql/pl-sql/embeded sql?

3 Answers  

---

Is the primary key an index?

0 Answers  

---

If you want a column to be part of the result set, after which SQL keyword does it belong? 1. SELECT 2. FROM 3. WHERE 4. GROUP BY 5. HAVING

10 Answers   HCL, TCS,

---

What are the two types of periodical indexes?

0 Answers  

---

Write the order of precedence for validation of a column in a table ?

2 Answers  

---

what is the difference between the query and corelated query

8 Answers   HSBC, IBM, TCS, Xenosoft,

---

Is there a pl/sql pragma similar to deterministic, but for the scope of one single sql select?

0 Answers  

---

What are the types of triggers in sql?

0 Answers  

---

how to eliminate null values in a column i.e table vlaues 1 2 3 NULL 3 4 1 5 NULL i want output like this 1 2 3 3 4 1 5 i dnt want to use nvl is null and i dnt want replace the NULL value with any value i.e nvl(col,o);

11 Answers   Satyam,

---