What is the difference between primary key & unique index ?
- 6 Answers
- 24786 Views
- Patni, Temenos, I also Faced
- E-Mail Answers
Answer Posted / s
Primary Key uniquely identifies the record and the UNIQUE
index on the primary key ensures that no duplicates values
will be stored in the table.
| Is This Answer Correct ? | 16 Yes | 14 No |
Post New Answer View All Answers
What is catalog database in db2?
How do you select a row using indexes in db2?
What language is db2 written in?
What is a Foreign Key?
Hello All, We have requirment to Replace BMC Db2 Load product thru CA FAST LOADPlus product. Do anyone have JCL to for FAST LOADPLUS and what all are thing need to take in consideration.
DB2 can implement a join in three ways using a merge join, a nested join or a hybrid join. Explain the differences?
What is dbrm? What it contains? When it will be created?
What is page size in db2?
i tried to copy some records from microsoft excel to as-400 physical file through "Bosanova" emulation. Out of 14000 records only 12000 records copies and subsequently programe started to hang. Then, i closed the program forcefully. I did' under stand the problem. Also when i try to compile the physical file it is showing as "The file in use". How to overcome this problem?
What is dbrm? When it will be created?
Mention some fields that are a part of sqlca.
What is the use of predicate?
can all users have the privilage to use the sql statement select * (dml)?
What is buffer pool and list some of them?
What is load utility in db2?
