How to resolve name conflicts between variables and columns?
how can find the second max sal for every group(i.e i want group the data based on key and find the second max sal for every group
What do you mean by group by clause?
what is pragma?
Query to retrieve record for a many to many relationship ?
How to define an oracle cursor variable?
What is oracle latest version?
How to connect to a local oracle 10g xe server?
What are the type of Synonyms?
How can we view last record added to a table?
What is Hash Index?
What is Index Cluster ?
What's dateware house and what's clustor with practicle example