Evaluate the SQL statement: SELECT ROUND(45.953, -1), TRUNC(45.936, 2) FROM dual; Which values are displayed?（） Evaluate the SQL statement: SELECT ROUND(45.953, -1), TRUNC(45.936, 2) FROM dual; Which values are displayed?（）..

第1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.

点击查看答案

第2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.

点击查看答案

第3题

[] Evaluate the set of SQL statements: What is true about the set?（） Evaluate the set of SQL statements: What is true about the set?（）

A、A. The DESCRIBE DEPT statement displays the structure of the DEPT table. B、B. The ROLLBACK statement frees the storage space occupies by the DEPT table. C、C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.

点击查看答案

第4题

[] Examine the data from the ORDERS and CUSTOMERS tables. Evaluate the SQL statement: What is the result when the query is executed?（） Examine the data from the ORDERS and CUSTOMERS tables. Evaluate the SQL statement: What is the result when the query is executed?（）

A、A.
B.
C.
D. The query fails because the subquery returns more than one row.
E. The query fails because the outer query and the inner query are using different tables.

点击查看答案

第5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.

点击查看答案

第6题

[单选题] Evaluate the SQL statement: What will be displayed?（）

A、0 B、1 C、0.00 D、An error statement

点击查看答案

第7题

[] Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables. Evaluate the SQL statement: SELECT * FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = 'Smith'); What is the result when the query is executed?（） Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables. Evaluate the SQL statement: SELECT * FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = 'Smith'); What is the result when the query is executed?（）

A、A.A B、B.B C、C.C D、D.D E、E.E

点击查看答案

第8题

[] Evaluate the following SQL statement used to create the PRODUCTS table: Which statement is true regarding this command?（） Evaluate the following SQL statement used to create the PRODUCTS table: Which statement is true regarding this command?（）

A、A. It executes successfully but partition pruning cannot happen for this partition key. B、B. It produces an error because the TOTAL_VALUE column cannot be used as a partition key. C、C. It produces an error because compression cannot be used for the TOTAL_VALUE partition key. D、D. It executes successfully but the values in the TOTAL_VALUE column would not be physically stored in the partitions.

点击查看答案

第9题

[单选题] The PRODUCTS table has these columns: PRODUCT_ID NUMBER(4) PRODUCT_NAME VARCHAR2(45) PRICE NUMBER(8,2) Evaluate this SQL statement: SELECT * FROM PRODUCTS ORDER BY price, product _ name; What is true about the SQL statement?（）

A、The results are not sorted. B、The results are sorted numerically. C、The results are sorted alphabetically. D、The results are sorted numerically and then alphabetically.

点击查看答案

Evaluate the SQL statement:<br /> SELECT ROUND(45.953, -1), TRUNC(45.936, 2)<br /> FROM dual;<br /> Which values are displayed?（）<p> Evaluate the SQL statement:<br /> SELECT ROUND(45.953, -1), TRUNC(45.936, 2)<br /> FROM dual;<br /> Which values are displayed?（）</p>

请使用微信扫码支付