What are the various normalizations in database?
What is a data source (ds)?
Do we consider null values the same as that of blank space or zero?
Is this statement true or false? All databases must be in third normal form?
What are the limitations of rdbms?
Explain about cursors?
What is unique key in dbms?
What are the different types of keys in the database?
What are the advantages and disadvantages of views in the database?
What is a driver in programming?
What is dbms pdf?
What is instance in dbms?
What is an optimization and performance tuning and how does it really work in practical projects?
What is system catalog or catalog relation?
There are 100 datafiles, numbered from 1 to 100. File number 10 is deleted and it has 500 MB of data. The database is working in archive log mode. How can be the database recovered ? While doing recovery the archive logs applied are from nos 1 to 100, but 50 gets corrupted. What do we do? Can we proceed further? If so how?