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Which database object does not physically exist?
A view database object does not physically exist.
Horizontal Fragmentation- Horizontal fragmentation groups together the tuples in a relation that are collectively used by the main transactions. A horizontal fragment is produced b
A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
find the name of supplier who supply some red part
how can apply joins on table
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Explain the disadvantages of creating a temporary table? If you have already created a temporary table with a shown name and attempting to create a second one with that nam
notes about update opreation
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
Some disadvantages of File Oriented System ?
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