Exam 9: Advanced SQL and PlSQL Topics

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When creating a package specification,components must be declared in the following order: public variables,cursors,functions and procedures.

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To call a stored procedure from a PL/SQL program,do not use the EXECUTE keyword.

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If an index does not improve query performance,it should be dropped.

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A composite index is used for a query that uses logical operators in the search condition.

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To save a program unit as a stored program unit in the database,you use the ____ node in the Object Navigator

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To find information on the indexes in your own schema use the ____________________ data dictionary view.

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A database table ____________________ is a distinct database table that contains data values,along with a corresponding column that specifies the physical locations of the records that contain those data values.

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Database triggers are often used to gather audit information.

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A(n)____________________ is a database index table that contains multiple sorted columns that the DBMS can use for identifying the row location.

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To display a summary listing of compile errors generated by the last program unit that was compiled,you execute the SHOW ERRORS command.

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Under what circumstances does Oracle Corporation recommend creating an index?

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A PL/SQL package contains exactly the same functionality as a library,but it resides on the database server.

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A database table cannot have more than five indexes.

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What is the extension for a PL/SQL library design file?

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Which of the following is a reason not to create an index?

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Which of the following program units must return exactly one value?

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The Database Objects node in Forms Builder is a top-level node within the Object Navigator,and is not associated with a specific form.

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Any stored procedures and functions developed in Forms Builder can never be used by other users.

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What is the maximum number of columns that can be contained in a composite index?

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Every package specification must have a matching package body.

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