Exam 6: Procedural Language Sql and Advanced Sql

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Triggers can only be used to update table values.

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When using the Oracle TO_NUMBER function to convert a character string into a number, ____ represents a digit.

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Oracle recommends ____ for creating audit logs.

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The ____ operator could be used in place of INTERSECT if the RDBMS does not support it.

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The ____ pseudo-column is used to select the next value from a sequence.

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When using a(n) ____ join, only rows that meet the given criteria are returned.

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A(n) ____________________ join returns all rows with matching values in the matching columns and eliminates duplicate columns.

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A(n) ____________________ routine pools multiple transactions into a single batch to update a master table field in a single operation.

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To test a trigger, you should use the EXECUTE TRIGGER command.

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The ____ query combines rows from two queries and excludes duplicates.

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If you wish to create an inner join, but the two tables do not have a commonly named attribute, you can use a(n) ____ clause.

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The Oracle ____ function returns the current date.

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An implicit cursor is automatically created in procedural SQL when the SQL statement returns only one value.

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The syntax for the UNION query is ____.

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The ____ data type is compatible with NUMBER.

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The ____ statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.

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The ____ operator could be used in place of MINUS if the RDBMS does not support it.

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A(n) ____ join returns not only the rows matching the join condition (that is, rows with matching values in the common columns) but also the rows with unmatched values.

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In Oracle, you can use the SQL*Plus command SHOW ERRORS to help you diagnose errors found in PL/SQL blocks.

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The ____________________ statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.

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