What is number function in sql?

0 Answers  

---

What normalization means?

0 Answers  

---

What are packages in pl sql and also explain its advantages?

0 Answers  

---

How do you get column names only for a table (sql server)?

0 Answers  

---

What is bind variable in pl sql?

0 Answers  

---

---

What are the default Oracle triggers??

3 Answers   CGI, Tech Mahindra,

---

What is sqlservr exe?

0 Answers  

---

How many tables can you join in sql?

0 Answers  

---

Can pl sql procedure have a return statement?

0 Answers  

---

In a table i have columns A,B,C and i have a composite index on columns A,B if so will the following query uses index or not? SELECT sal,name FROM <table_name> WHERE A=<value> AND B=<value> AND C=<value>;

2 Answers   Mastek,

---

4. Select sum(A.salary) +sum(B.salary) as TOT_SAL from ( select LEVEL emp_id,level*100 salary,case when mod (level,2)=0then 2 else null end dept_id from dual connect by level<6 )A right outer join (select level emp_id ,level*200 salary ,case when mod (level,3)=0 then 2 else null end dept_id from dual connect by level<6)B On A.dept_id=B.dept_id And A.emp_id=B.emp-id;

1 Answers   Fintellix,

---

how to retrieve the top 3 salaries of the table using rownum

31 Answers   Oracle,

---