what is External tables? explain with examples

2 Answers   TCS,

---

Can we create index on primary key?

0 Answers  

---

how to drop an existing table in mysql? : Sql dba

0 Answers  

---

What is the use of double ampersand (&&) in sql queries? Give an example

0 Answers  

---

what is a composite primary key ? : Sql dba

0 Answers  

---

---

explain primary keys and auto increment fields in mysql : sql dba

0 Answers  

---

What does fetching a cursor do?

0 Answers  

---

How can I change database name in sql?

0 Answers  

---

IF EMP HAS 2 ROWS,DEPT HAS 4 ROWS.WHATS THE RESULT OF SELECT * FROM EMP,DEPT;

1 Answers  

---

How long will it take to learn pl sql?

0 Answers  

---

Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.

9 Answers   Oracle,

---

Why is %isopen always false for an implicit cursor?

0 Answers  

---