What are the 4 main objects of a database?
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How to drop all foreign keys in database?
What is unique key in dbms?
How to recreate the index on a firebird table?
What are the different levels of abstraction in the dbms?
Explain atomicity and aggregation?
Explain the role of metadata for the three-layer architecture.
What is the difference between a MESSAGEBOX and an ALERT ?
What is the use of FILE option in IMP command ?
What types of questions are asked in NIC(Natinal Informatics Centre)'s interview?If any one has any information about this,I would be very thankful to him/her.....
Mention a query to calculate the even and odd records from a table
Explain 4nf?
Operators used in select statements are?