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WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
Describe the iterative and incremental life cycle For an iterative and incremental life cycle, two criteria are process and time. The main components of showing a project devel
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
Update or Modify operation alters the existing values. If these operations alter the value that is the foreign key also, the only check need is the similar as that of the Insert op
Removing a Synonym: DROP SYNONYM D30;
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
explain five responsibilities of DBA?
Explain current page table and shadow page table. The key idea behind the shadow paging method is to maintain two page tables during the life of the transaction: the current pa
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