What is a cursor in programming?

0 Answers  

---

Name some fields from SQLCA

1 Answers  

---

What is reorg in database?

1 Answers  

---

Is ibm db2 free?

0 Answers  

---

what happend with out using Commit,when closing cursor and program?

5 Answers   CSC,

---

---

Where do you specify them?

0 Answers  

---

SET is the ANSI standard for variable assignment, SELECT is not. SET can only assign one variable at a time, SELECT can make multiple assignments at once. If assigning from a query, SET can only assign a scalar value. If the query returns multiple values/rows then SET will raise an error. SELECT will assign one of the values to the variable and hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one) When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the variable will not be changed from it's previous value) As far as speed differences - there are no direct differences between SET and SELECT. However SELECT's ability to make multiple assignments in one shot does give it a slight speed advantage over SET.

0 Answers  

---

When is the authorization check on DB2 objects done - at BIND time or run time?

1 Answers  

---

What is the self-referencing constraint?

2 Answers  

---

can any one provide me the link for the db2 v7 & db2 v8 manual for Z/os? i need to know about the syntax of REORG in both versions & need to know the difference as well

0 Answers  

---

Select empno, sal from emptbl where empno < 101.By this query can we fetch first 100 recs? where empno is primary key.It won't throw -811 error? if it wont,then what is use of cursor technique while fetching first 100 recs. Please need more clarification.

2 Answers  

---

Mention and explain the contention situations caused by locks?

1 Answers  

---