What is cardinality in db?
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What is the difference between a LIST BOX and a COMBO BOX ?
What is buffer manager?
What is delimiter in dbms?
How is data stored in a relational database?
What is Archived Redo Log ?
What do you understand by ‘atomicity’ and ‘aggregation’?
Which software is best for database?
Explain the different types of join operations?
Explain the concepts of a primary key and foreign key.
Why would someone use a database?
What do you understand by data model?
when we login sql editor using username and password then it says this error "could not resolve service name" then what can we do at client side.( here thing is tnsnames.ora file is ok till yesterday and worked well, but now it giving error.)