define primary key index, bitmap index, hash index,virtual
indwx
Explain database partitioning.
What is a Database?
Is it possible to update AS400 database record while reading it with no lock
How to fetch/retrieve the data from hieranchical database and put it into the relational database? for e.g I want to extract the data from IMS DB2 database which is a hierarchical db and load that data into the relational database which is a SQL server.Are there any tools available for directing extracting data from hierarchical db and loading into the relational database (SQL server)?
what is cardinality
What are different types of joins used in?
There are three servers are run by Oracle, MS Access and .Net. What are the procedure fetching the values of two variables from two servers among these?
plz suggest me the books for the preparation of NIC written exam.
5. Explain about relational algebra.
Explain buffer manager?
Which database does facebook use?
What does currency type mean in database?