Database Systems MCQs – Practice Test 50 (Chapter 1)

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Advanced SQL MCQ – Practice Test 50 PDF Download

MCQ 246: Trigger systems cannot usually perform updates:

Inside the database
Outside the database
Triggered attributes
Triggered tuples

MCQ 247: Generation of the data of a data cube cannot be achieved by a single:

SQL statement
SQL relation
SQL data
SQL query

MCQ 248: There are rare situations where a query needs to be defined at:

Initiation
Execution
Runtime
Compile time

MCQ 249: The method that is used to return the arity, is known as:

getRowCount
getColumnCount
columnGetCount
rowGetCount

MCQ 250: To design a trigger mechanism, we must meet:

1 requirement
2 requirements
3 requirements
4 requirements

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