题目内容 (请给出正确答案)
[主观题]

Which SQL statement accepts user input for the columns to be displayed, the table name, and WHERE condition? ()

A. SELECT &1, "&2" FROM &3 WHERE last_name = ‘&8‘;

B. SELECT &1, ‘&2‘ FROM &3 WHERE ‘& last_name = ‘&8‘;

C. SELECT &1, &2 FROM &3 WHERE last_name = ‘&8‘;

D. SELECT &1, ‘&2‘ FROM EMP WHERE last_name = ‘&8‘;

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更多“Which SQL statement accepts us…”相关的问题

第1题

A.

B.

C.

D.

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第2题

Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement?()

A. The SGA Tuning Advisor

B. The SQL Access Advisor

C. The SQL Tuning Advisor

D. The Memory Advisor

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第3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 Peeking

B. SQL Plan Baselines

C. Adaptive Cursor Sharing

D. Bind variable used in a SQL statement

E. Literals in a SQL statement

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第4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 Advisor

B. SQL Optimizer

C. SQL Access Advisor

D. SQL Tuning Advisor

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第5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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第6题

A.Selection, projection, join

B. Difference, projection, join

C. Selection, intersection, join

D. Intersection, projection, join

E. Difference, projection, product

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第7题

Which of the following will begin a new unit of work?()

A.The CONNECT statement

B.The first FETCH of a cursor

C.The BEGIN TRANSACTION statement

D.The first executable SQL statement

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第8题

Examine the SQL statements that creates ORDERS table:For which columns would an index be automatically created when you execute the above SQL statement? ()

Examine the SQL statements that creates ORDERS tab

A. SER_NO

B. ORDER_ID

C. STATUS

D. PROD_ID

E. ORD_TOTAL

F. Composite index on ORDER_ID and ORDER_DATE

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第9题

Evaluate this SQL statement:SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT
_NAMEFROM EMPLOYEES e, DEPARTMENTS dWHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;In the statement, which capabilities of a SELECT statement are performed?()

A.selection, projection, join

B.difference, projection, join

C.selection, intersection, join

D.intersection, projection, join

E.difference, projection, product

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第10题

Which NLS parameter can be used to change the default Oracle sort method from binary to linguistic for the SQL SELECT statement?()

A. NLS_LANG

B. NLS_COMP

C. NLS_SORT

D. None of the above

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第11题

You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL p

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.

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