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Which product is returned in a join query have no join condition
Which is a join condition contains an equality operator
Which join refers to join records from the write table that have no matching key in the left table are include in the result set:
Which operation are allowed in a join view
Which view that contains more than one table in the top-level FROM clause of the SELECT statement
Pictorial representation of an expression is called
The results of each intermediate operation are created and then are used for evaluation of the next-level operations
______________ allows the algorithm to execute more quickly by performing CPU activity in parallel with I/O activity
Pipelines can be executed in
In a _________ the system makes repeated requests for tuples from the operation at the top of the pipeline
In a _____________ operations do not wait for requests to produce tuples, but instead generate the tuples eagerly
Each operation in a demand-driven pipeline can be implemented as an ____ that provides the following functions
The iterator maintains the __________ of its execution in between calls, so that successive next() requests receive successive result tuples
Tuples are generated ___________ in producer-driven pipelining, they are generated ________ on demand, in demand-driven pipelining
When two inputs that we desire to pipeline into the join are not already sorted it is the _____________ technique
Consider the following relational schemes for a library database:Assume {Author, Title} is the key for both schemes
Let R(A,B,C,D,E,P,G) be a relational schema in which the following FDs are known to hold:
Which of the following is/ are false for RAW mode of FOR XML
___________ refers to the ability of the system to recover committed transaction updates if either the system or the storage media fails
Which utilities can we used to export data from sql server to a text file
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