Whatz the main diff between Subquery and a Join

Answer Posted / adil khan

main difference between join and subqurey is that join is
used for known condition while subquery is used for unknown
condition.

Is This Answer Correct ?    6 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is a connect identifier?

549


Does oracle partitioning improve performance?

563


what is normalisation?what are its uses?

1773


How does Oracle guarantee data integrity of data changes?

1946


How would you go about verifying the network name that the local_listener is currently using?

1611






IS it possible to built the oracle database without setting the kernal parameters?

1771


What spfile/init.ora file parameter exists to force the CBO to make the execution path of a given statement use an index, even if the index scan may appear to be calculated as more costly?

1537


What is the difference between postgresql and oracle?

523


State and explain the different types of data models?

542


how can db_files > maxdatafiles since db_files is for instance and the later is for database

2183


Differentiate between post-database commit and post-form commit?

553


How to estimate disk space needed for an export job?

572


What is a table index?

575


Is oracle an operator?

540


Is java required for oracle client?

556