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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
what problems are raised by the database? why is it so controversial? why is data quality an issue?
How do I use strap on?#
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
Which two tools are used to administer users for Active Directory?
Which database object does not physically exist? A view database object does not physically exist.
What is the difference between a key and a superkey? Key - A key a single attribute or a combination of two or more attributes of an entity set which is used to identify one
What is called as recursive partitioning? The system repeats the splitting of the input unless each partition of the build input fits in the memory. Such partitioning is known
What is Stored Procedure? A stored procedure is a named group of SQL statements that have been previously formed and kept in the server database. Stored procedures accept input
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Write a short note on built in function in QBE? Built in function in QBE: QBE involves various built in functions like AVG, MAX,MIN,SUM and CNT. We must prefix these operator
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