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MCQs: Use the ROWID datatype only for backward compatibility with old applications. For new applications, use the UROWID datatype.
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which datatype is not allowed in the definition of PL/SQL record?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: In the SQL Cursor, which attribute is TRUE when a cursor has some remaining rows to fetch, and FALSE when a cursor has no rows left to fetch?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: For which Exception, if a SELECT statement attempts to retrieve data based on its conditions, this exception is raised when no rows satisfy the SELECT criteria?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which collection types is also known as index-by tables, lets you look up elements using arbitrary numbers and strings for subscript values?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Assigning a value to a collection element can cause exceptions, such as
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Nested tables can be sparse: you can delete arbitrary elements, rather than just removing an item from the end.
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which of the following retains duplicate rows in the result of a query or in an aggregate expression?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which operations cannot be performed on cursor expressions?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Cursor attributes are not affected by autonomous transactions.
Category: Computer Science MCQs, Published by: teswesm
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MCQs: PL/SQL has two types of subprograms, procedures and functions. Which subprogram is used to compute a value?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which is a procedural extension of Oracle- SQL that offers language constructs similar to those in imperative programming languages?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: In which subprogram a RETURN statement does not return a value and so cannot contain an expression?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which of the following combines the data manipulating power of SQL with the data processing power of Procedural languages?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: The constructs of a procedure, function or a package are ________ .
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Any subprogram not in the package specification but coded in the package body is called a ___________ .
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which of the following are the advantages of PL/SQL Packages?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: In internal exception oracle raises the exception for you implicitly. You still need to declare the exception and handle it, but you don’t need to raise it.
Category: Computer Science MCQs, Published by: teswesm
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MCQs: Which PL/SQL warning categories gives Messages for conditions that do not have an effect on performance or correctness, but that you might want to change to make the code more maintainable, such as unreachable code that can never be executed?
Category: Computer Science MCQs, Published by: teswesm
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MCQs: ________ does not correlate with an oracle error, instead, user_define exceptions usually enforce business rules in situations in which an oracle error would not necessarily occur
Category: Computer Science MCQs, Published by: teswesm
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