Q. Pictorial representation of an expression is called

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Q. The results of each intermediate operation are created and then are used for evaluation of the next-level operations. This is called

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Q. ______________ allows the algorithm to execute more quickly by performing CPU activity in parallel with I/O activity.

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Q. Pipelines can be executed in

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Q. In a _________ the system makes repeated requests for tuples from the operation at the top of the pipeline.

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Q. In a _____________ operations do not wait for requests to produce tuples, but instead generate the tuples eagerly.

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Q. Each operation in a demand-driven pipeline can be implemented as an ____ that provides the following functions: open(), next(), and close().

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Q. The iterator maintains the __________ of its execution in between calls, so that successive next() requests receive successive result tuples.

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Q. Tuples are generated ___________ in producer-driven pipelining, they are generated ________ on demand, in demand-driven pipelining.

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Q. When two inputs that we desire to pipeline into the join are not already sorted it is the _____________ technique.

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Q. Let R(A,B,C,D,E,P,G) be a relational schema in which the following FDs are known to hold:

AB->CD
DE->P
C->E
P->C
B->G

The relation schema R is

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Q. Which of the following is/are false for RAW mode of FOR XML?

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Q. ___________ refers to the ability of the system to recover committed transaction updates if either the system or the storage media fails.

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Q. Which utilities can we used to export data from sql server to a text file?

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Q. You have a column that will only contain values from 0 to 256. What is the most economical data type to use for the column?

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Q. Problems occurs if we don’t implement proper locking strategy

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Q. Which of the following fixed database roles can add or remove user IDs?

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Q. By default sql server has ___________ isolation level

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Q. Which feature converts row data to column for better analytical view?

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Q. Which of the following statements is/are not true for SQL profiler?

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