What is duration in sql profiler trace?

0 Answers  

---

Write one update command to update seqno field of a table on the basis of row number.

4 Answers   HCL,

---

How do you determine the current isolation level? : Transact sql

0 Answers  

---

What are the two types of periodical indexes?

0 Answers  

---

how to include comments in sql statements? : Sql dba

0 Answers  

---

Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

13 Answers   Oracle, TCS,

---

in a package one procedure is wrong package shows valid or not

4 Answers  

---

what is sql optimization

1 Answers   Fidelity,

---

How to get employee name from employee table which is the fiveth highest salary of the table

20 Answers   Infosys, Rolta,

---

How many joins can you have in sql?

0 Answers  

---

Does postgresql run on the cloud?

0 Answers  

---

How to fetch common records from two tables?

1 Answers  

---