what is a unique key ? : Sql dba

0 Answers  

---

Explain the working of foreign key?

0 Answers  

---

Why we use stored procedure instead of query?

0 Answers  

---

i have a table like this. cityno cityname mails 1 BANGALORE 8KM 2 HSR LAYOUT 20KM 3 MEJISTIC 30KM 4 JAYADEVA 55KM 5 ITPL 80KM 6 HEBBAL 115KM I HAVE DATA LIKE THIS I WANT O/P LIKE THIS DISTANCE NO.OFCITY 0-50KM 3 51-100KM 2 101-150KM 4 AND SO ON pls give me answer. i want urgent

6 Answers  

---

In a distributed database system, can we execute two queries simultaneously?

0 Answers  

---

---

What is a record in pl/sql?

0 Answers  

---

What is a primary key example?

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,

---

What is error ora-01000: maximum open cursors exceeded

0 Answers  

---

what are the join types in tsql? : Transact sql

0 Answers  

---

What are the ddl commands?

0 Answers  

---

Define join and name different types of joins?

0 Answers  

---