The _____ category includes storage media that can be operated on directly by the computers central processing unit.
Primary storage
Secondary Storage
All
Tertiary Storage
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- Which of the following is a reason to model data?
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- ______is a special type of integrity constraint that relates two relations & maintains consistency across…
- Which of the following concurrency control schemes is not based on the serializability property?
- In SQL the statement select * from R, S is equivalent to
- Which of the following is not a logical database structure?
- If both the functional dependencies : Xï®Y and Yï®X hold for two attributes X and Y then the relationship…
- In an E-R diagram double lines indicate
- The full form of GUI is _________
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- The _____ category includes storage media that can be operated on directly by the computers central…
- The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
- DFD stands for
- Change Staff table by removing default of Assistant for position column
- Assume transaction A holds a shared lock R. If transaction B also requests for a shared lock on R.
- The size of a data item is called its _______, which can be a field of some record or may be a larger…
- Wait-for graph is used for
- A ______ module is typically designed so that it will run on a user workstation or personal computer.
- A top-to-bottom relationship among the items in a database is established by a
- A transaction is in state after the final statement has been executed.
- Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.
- HSAM stands for ……….
- It is an abstraction through which relationships are treated as higher level entities
- An advantage of the database management approach is
- The ______ indexes are forced to store only record IDs in the data structure and require at least one…
- Processed data is called _____
- DBMS helps achieve