Answer Posted / javid khan
select count(*) from table;
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is an anonymous block?
What are a collation and state the different types of collation sensitivity?
Which is better Oracle or MS SQL? Why?
What happens in oracle commit?
How to use like conditions in oracle?
Can group functions be used in the order by clause in oracle?
What is oracle instant client?
How to pass parameters to procedures?
What are set operators?
Explain the truncate in oracle?
What is sequence?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
What is analyze command used for?
i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?
What is the difference between substr & instr functions?