Why do we use joins in sql?

0 Answers  

---

what is a materialized view? : Sql dba

0 Answers  

---

Can a primary key be a foreign key?

0 Answers  

---

1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

1 Answers   Polaris,

---

What does pl sql stand for?

0 Answers  

---

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,

---

describe mysql connection using mysql binary. : Sql dba

0 Answers  

---

how to load data files into tables with 'mysqlimport'? : Sql dba

0 Answers  

---

What is the maximum number of rows in sql table?

0 Answers  

---

Do you know the basic structure of PL/SQL?

3 Answers  

---

What are variables in pl sql?

0 Answers  

---

define sql insert statement ? : Sql dba

0 Answers  

---