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多选题
Which of the following cannot be used as input to the SQL Tuning Advisor?（） (Choose all that apply.)
A
A single SQL statement provided by a user
B
An existing SQL Tuning Set (STS)
C
A preprocessed Database Replay workload
D
A schema name
E
SQL statement identified in EM as using excessive resources
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Which of the following cannot be used as input to the SQL Tuning Advisor?() (Choose all that apply.)
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Which two are attributes of ／SQL*Plus? ()
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C．/hаef tu/
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Which two statements about subqueries are true? （）A、A single row subquery can retrieve data from only one table.B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.D、A single row subquery can retrieve data from more than one table.E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.
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Which of the following cannot be used as input to the SQL Tuning Advisor?（） (Choose all that apply.)A、A single SQL statement provided by a userB、An existing SQL Tuning Set (STS)C、A preprocessed Database Replay workloadD、A schema nameE、SQL statement identified in EM as using excessive resources
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Which two statements about subqueries are true? （）A、A single row subquery can retrieve data from only one table.B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.C、A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.D、A single row subquery can retrieve data from more than one table.E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.F、A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.
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Which two statements about subqueries are true? （）A、A subquery should retrieve only one row.B、A subquery can retrieve zero or more rows.C、A subquery can be used only in SQL query statements.D、Subqueries CANNOT be nested by more than two levels.E、A subquery CANNOT be used in an SQL query statement that uses group functions.F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.
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Which of the following cannot be used as input to the SQL Tuning Advisor？（）A、 A single SQL statement provided by a userB、 An existing SQL Tuning Set （STS）C、 A preprocessed Database Replay workloadD、 A schema nameE、 SQL statement identified in EM as using excessive resources
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多选题Which two are attributes of /SQL*Plus? （）A/SQL*Plus commands cannot be abbreviated.B/SQL*Plus commands are accesses from a browser.C/SQL*Plus commands are used to manipulate data in tables.D/SQL*Plus commands manipulate table definitions in the database.E/SQL*Plus is the Oracle proprietary interface for executing SQL statements.
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多选题Which two are attributes of iSQL*Plus? （）A/SQL*Plus commands cannot be abbreviated.B/SQL*Plus commands are accessed from a browser.C/SQL*Plus commands are used to manipulate data in tables.D/SQL*Plus commands manipulate table definitions in the database.E/SQL*Plus is the Oracle proprietary interface for executing SQL statements.
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makedbmD
mkpasswd
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多选题Which two statements about subqueries are true? （）AA single row subquery can retrieve data from only one table.BA SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.CA SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.DA single row subquery can retrieve data from more than one table.EA single row subquery cannot be used in a condition where the LIKE operator is used for comparison.FA multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.
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单选题Connection Manager features cannot be used with which of the following naming method？ （）A
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Local NamingC
Host NamingD
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单选题Which of the following methods can be used to detect block corruption？（）A
ANALYZE operationsB
dbvC
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RMANE
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单选题Which /SQL*Plus feature can be used to replace values in the WHERE clause?（）A
Substitution variablesB
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Prompt variablesD
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Voices.D
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多选题Which of the following cannot be used as input to the SQL Tuning Advisor？（）AA single SQL statement provided by a userBAn existing SQL Tuning Set （STS）CA preprocessed Database Replay workloadDA schema nameESQL statement identified in EM as using excessive resources
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