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Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?（）
- A、SELECT ename, salary*12 'Annual Salary' FROM employees;
- B、SELECT ename, salary*12 "Annual Salary" FROM employees;
- C、SELECT ename, salary*12 AS Annual Salary FROM employees;
- D、SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY") FROM employees
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更多 “Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?（）A、SELECT ename, salary*12 'Annual Salary' FROM employees;B、SELECT ename, salary*12 "Annual Salary" FROM employees;C、SELECT ename, salary*12 AS Annual Salary FROM employees;D、SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY") FROM employees” 相关考题
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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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单选题Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?（）A
SELECT ename, salary*12 ‘Annual Salary’ FROM employees;B
SELECT ename, salary*12 “Annual Salary” FROM employees;C
SELECT ename, salary*12 AS Annual Salary FROM employees;D
SELECT ename, salary*12 AS INITCAP(“ANNUAL SALARY”) FROM employees
考题
多选题Which three features work together, to allow a SQL statement to have different cursors for the samestatement based on different selectivity ranges?（）ABind Variable PeekingBSQL Plan BaselinesCAdaptive Cursor SharingDBind variable used in a SQL statementELiterals in a SQL statement
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多选题Which two statements are true regarding the SQL Repair Advisor?（）AThe SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.BThe SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.CThe SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.DThe DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.
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单选题You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement, which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?（）A
The tuned plan is not added to the SQL plan baseline.B
The tuned plan is added to the fixed SQL plan baseline as a fixed plan.C
The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.D
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A text copy of the control file.B
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A file containing a SQL statement which will re-create the control file.
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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.)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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多选题The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario?（）AThe optimizer adds the new plan to the plan history.BThe optimizer selects the new plan for the execution of the SQL statement.CThe optimizer adds the new plan to the SQL plan baseline as an accepted plan.DThe optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.EThe optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.
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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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