网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Which SQL statement returns a numeric value?（）
- A、SELECT ADD_MONTHS(MAX(hire_Date), 6) FROM EMP;
- B、SELECT ROUND(hire_date) FROM EMP;
- C、SELECT sysdate-hire_date FROM EMP;
- D、SELECT TO_NUMBER(hire_date + 7) FROM EMP;
参考答案
更多 “Which SQL statement returns a numeric value?（）A、SELECT ADD_MONTHS(MAX(hire_Date), 6) FROM EMP;B、SELECT ROUND(hire_date) FROM EMP;C、SELECT sysdate-hire_date FROM EMP;D、SELECT TO_NUMBER(hire_date + 7) FROM EMP;” 相关考题
考题
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. The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.
考题
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 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
考题
Evaluate these two SQL statements:What is true about them?()
A. The two statements produce identical results.B. The second statement returns a syntax error.C. There is no need to specify DESC because the results are sorted in descending order by default.D. The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
考题
Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?（）A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.B. The statement returns an error at the SELECT clause.C. The statement returns an error at the WHERE clause.D. The statement returns an error at the ORDER BY clause.
考题
Examine the structure of the EMPLOYEES and DEPARTMENTS tables:Evaluate this SQL statement:Which SQL statement is equivalent to the above SQL statement?()
A.B.C.D.
考题
Evaluate the set of SQL statements:What is true about the set?()
A. The DESCRIBE DEPT statement displays the structure of the DEPT table.B. The ROLLBACK statement frees the storage space occupies by the DEPT table.C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
考题
Evaluate the SQL statement:What is the result of the statement?()
A. The statement produces an error at line 1.B. The statement produces an error at line 3.C. The statement produces an error at line 6.D. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.E. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.
考题
Which three features work together, to allow a SQL statement to have different cursors for the samestatement based on different selectivity ranges?()
A. Bind Variable PeekingB. SQL Plan BaselinesC. Adaptive Cursor SharingD. Bind variable used in a SQL statementE. Literals in a SQL statement
考题
What is a sub-select statement?A．a select statement that selects a subset of fields in a tableB．a select statement that returns a subset of the data in a tableC．a select statement that appears within another select statementD．a select statement that returns a subset of the constraints on a field
考题
You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A、A text copy of the control file.B、A binary copy of the control file.C、A file containing a SQL statement which will re-create the database.D、A file containing a SQL statement which will re-create the control file.
考题
Which three features work together, to allow a SQL statement to have different cursors for the samestatement based on different selectivity ranges?（）A、Bind Variable PeekingB、SQL Plan BaselinesC、Adaptive Cursor SharingD、Bind variable used in a SQL statementE、Literals in a SQL statement
考题
When a valid SQL Query in a DB Read step returns 0 rows, which branch of the step will be executed? （）A、Timeout B、SQL Error C、Successful D、Connection Not Available
考题
Which two statements are true regarding the SQL Repair Advisor？（） A、 The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.B、 The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.C、 The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.D、 The 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.
考题
Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement？（） A、 The SGA Tuning AdvisorB、 The SQL Access AdvisorC、 The SQL Tuning AdvisorD、 The Memory Advisor
考题
Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement?（）A、SQL Repair AdvisorB、SQL OptimizerC、SQL Access AdvisorD、SQL Tuning Advisor
考题
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 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
考题
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
考题
Application developers in your company create an assembly that contains a CLR function. This CLR function reads data from a spreadsheet, performs some calculations, and returns the data to a SQL Server 2005 computer. You need to register the assembly with SQL Server 2005 by using the CREATE ASSEMBLY statement and the least privileged security permission set. Which permission set should you use? （）A、 Default B、 SAFE C、 EXTERNAL_ACCESS D、 UNSAFE
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
考题
单选题Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement？（）A
SQL Repair AdvisorB
SQL OptimizerC
SQL Access AdvisorD
SQL Tuning Advisor
考题
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.
考题
单选题Application developers in your company create an assembly that contains a CLR function. This CLR function reads data from a spreadsheet, performs some calculations, and returns the data to a SQL Server 2005 computer. You need to register the assembly with SQL Server 2005 by using the CREATE ASSEMBLY statement and the least privileged security permission set. Which permission set should you use? （）A
Default B
SAFE C
EXTERNAL_ACCESS D
UNSAFE
考题
单选题Application developers in TestKing.com create an assembly that contains a CLR function.This CLR function reads data from a spreadsheet， performs some calculations， and returns the data to a SQL Server 2005 computer. You need to register the assembly with SQL Server 2005 by using the CREATE ASSEMBLY statement and the least privileged security permission set. Which permission set should you use？（）A
DefaultB
SAFEC
EXTERNAL ACCESSD
UNSAFE
考题
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
The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.
考题
单选题Which SQL statement returns a numeric value?（）A
SELECT ADD_MONTHS(MAX(hire_Date), 6) FROM EMP;B
SELECT ROUND(hire_date) FROM EMP;C
SELECT sysdate-hire_date FROM EMP;D
SELECT TO_NUMBER(hire_date + 7) FROM EMP;
考题
单选题You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A
A text copy of the control file.B
A binary copy of the control file.C
A file containing a SQL statement which will re-create the database.D
A file containing a SQL statement which will re-create the control file.
考题
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
考题
单选题Evaluate these two SQL statements: What is true about them?（）A
The two statements produce identical results.B
The second statement returns a syntax error.C
There is no need to specify DESC because the results are sorted in descending order by default.D
The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
热门标签
最新试卷