单选题Which is an example of a dynamic SELECT statement? （）A A query whose object names change during its execution. B A query whose object names are not known until run time. C A query whose bind variables values change during execution. D A query whose bin

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单选题

Which is an example of a dynamic SELECT statement? （）

A query whose object names change during its execution.

A query whose object names are not known until run time.

A query whose bind variables values change during execution.

A query whose bind variable values are not known until run time.

更多“单选题Which is an example of a dynamic SELECT statement? （）A A query whose object names change during its execution. B A query whose object names are not known until run time. C A query whose bind variables values change during execution. D A query whose bin”相关问题

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Which three statements about dynamic filtering are true? （）A、Dynamic filtering creates a query statement.B、Dynamic filtering has an option to save query.C、Dynamic filtering can select any log field to filter.D、Dynamic filtering permanently removes other log entries.E、Dynamic filtering redraws the log when you select a variable link.

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第2题

Which two statements are true regarding the ORDER BY clause? （）A、The sort is in ascending by order by default.B、The sort is in descending order by default.C、The ORDER BY clause must precede the WHERE clause.D、The ORDER BY clause is executed on the client side.E、The ORDER BY clause comes last in the SELECT statement.F、The ORDER BY clause is executed first in the query execution.

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第3题

A general purpose MySQL instance is configured with the following options: —log-slow-queries —long-query-time=,0001 —log-slow-admin-queries —general-log —log-bin —binlog-format=STATEMENT —innodb-flush-log-at-trx-commit=1 Which three statements are true（）。A、The General Query Log records more data than the Binary LogB、The binary Log records more data than the General Query LogC、The Slow Query Log records more data than the General Query LogD、The General Query Log records more data than the Slow Query LogE、The Slow Query Log records more data than the Binary LogF、The Binary Log records more data than the Slow Query Log

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第4题

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this?（）A、GRANT select ON dept TO ALL_ USER;B、GRANT select ON dept TO ALL;C、GRANT QUERY ON dept TO ALL_USERSD、GRANT select ON dept TO PUBLIC;

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第5题

The accounting manager wants you to create a form that when queried will display a calculated total of year-to-date actual expenditures for the fund code entered. The value needed to generate this summary data are stored in multiple tables. How would you define the data source for this data block without having the DBA create a database object? （）A、Choose Tools -> Data Block Wizard, select View as the data source type, and base the block on the columns from the bales. B、Choose Tools -> Data Block Wizard, select Table as the data source type, and base the block on the columns from the tables. C、Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually and alter the Query Data Source Columns and Query Data Source Arguments properties to enter the SELECT statement. D、Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually, alter the Query Data Source Type property to 'Table', and enter the SELECT statement in the Query Data Source Name property. E、Choose Tools -> Data Block Wizard, select Stored Procedure as the data source type, and base the block on the columns the tables. F、Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually. Alter the Query Data Source Type to 'FROM' clause query', and enter the SELECT statement in the Query Data Source Name property.

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第6题

Which two statements are true regarding the ORDER BY clause? （）A、It is executed first in the query execution B、It must be the last clause in the SELECT statement C、It cannot be used in a SELECT statement containing a HAVING clauseD、You cannot specify a column name followed by an expression in this clause E、You can specify a combination of numeric positions and column names in this clause

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第7题

Examine the parameters for your database instance: Which three statements are true about the process of automatic optimization by using cardinality feedback?（）A、The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.B、The optimizer can re optimize a query only once using cardinality feedback.C、The optimizer enables monitoring for cardinality feedback after the first execution of a query.D、The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.E、After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors are submitted to the optimizer.

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单选题Which is an example of a dynamic SELECT statement? （）A A query whose object names change during its execution. B A query whose object names are not known until run time. C A query whose bind variables values change during execution. D A query whose bin

题目

更多“单选题Which is an example of a dynamic SELECT statement? （）A A query whose object names change during its execution. B A query whose object names are not known until run time. C A query whose bind variables values change during execution. D A query whose bin”相关问题

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