多选题Evaluate the SQL statement:TRUNCATE TABLE DEPT;Which three are true about the SQL statement? （）AIt releases the storage space used by the table.BIt does not release the storage space used by the table.CYou can roll back the deletion of rows after the s

题目
多选题
Evaluate the SQL statement:TRUNCATE TABLE DEPT;Which three are true about the SQL statement? （）
A

It releases the storage space used by the table.

B

It does not release the storage space used by the table.

C

You can roll back the deletion of rows after the statement executes.

D

You can NOT roll back the deletion of rows after the statement executes.

E

An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.

F

You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

相似考题

1.View the exhibit and examine the TRANS table‘s storage information.After a massive delete operation, you executed the following statement to shrink the TRANS table:SQL> ALTER TABLE trans SHRINK SPACE CASCADE;Which statement describes the outcome of the command?（）A. An error is produced.B. The table and all related objects are compacted and the position of the high-water mark (HWM) for the table is adjustedC. The table and related indexes are compacted but the position of the high-water mark (HWM) for the table remains unchangedD. The unused space in the table is reclaimed and returned to the tablespace and the data manipulation language (DML) triggers on the table are fired during the shrinking process

2.Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement? ()A. You cannot roll back this statement.B. All pending transactions are committed.C. All views based on the DEPT table are deleted.D. All indexes based on the DEPT table are dropped.E. All data in the table is deleted, and the table structure is also deleted.F. All data in the table is deleted, but the structure of the table is retained.G. All synonyms based on the DEPT table are deleted.

3.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.

4.Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about the SQL statement? ()A. It releases the storage space used by the table.B. It does not release the storage space used by the table.C. You can roll back the deletion of rows after the statement executes.D. You can NOT roll back the deletion of rows after the statement executes.E. An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.F. You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

更多“多选题Evaluate the SQL statement:TRUNCATE TABLE DEPT;Which three are true about the SQL statement? （）AIt releases the storage space used by the table.BIt does not release the storage space used by the table.CYou can roll back the deletion of rows after the s”相关问题

  • 第1题：

    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.

    正确答案:B,F

  • 第2题：

    Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCHAR2(14), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT 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 occupied 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.

    正确答案:A

  • 第3题：

    Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement?（）

    • A、You cannot roll back this statement.
    • B、All pending transactions are committed.
    • C、All views based on the DEPT table are deleted.
    • D、All indexes based on the DEPT table are dropped.
    • E、All data in the table is deleted, and the table structure is also deleted.
    • F、All data in the table is deleted, but the structure of the table is retained.
    • G、All synonyms based on the DEPT table are deleted.

    正确答案:A,B,D,E

  • 第4题：

    You created the DEPT table by using the following command：   CREATE TABLE scott.dept   （deptno NUMBER（3），   dname VARCHAR2（15），   loc VARCHAR2（15） ）   STORAGE （INITIAL 100K NEXT 50K  MAXEXTENTS 10 PCTINCREASE 5  FREELIST GROUPS 6 FREELISTS 4）；You are required to shrink the DEPT table. While performing the shrink operation， you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table？（）

    • A、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT； statement.
    • B、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE； statement.
    • C、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE； statement.
    • D、 You cannot shrink the SCOTT.EMP table.

    正确答案:D

  • 第5题：

    Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT 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.

    正确答案:A

  • 第6题：

    单选题
    CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT 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.


    正确答案： A
    解析： 暂无解析

  • 第7题：

    多选题
    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.


    正确答案： F,A
    解析： 暂无解析

  • 第8题：

    单选题
    You created the DEPT table by using the following command：   CREATE TABLE scott.dept   （deptno NUMBER（3），   dname VARCHAR2（15），   loc VARCHAR2（15） ）   STORAGE （INITIAL 100K NEXT 50K  MAXEXTENTS 10 PCTINCREASE 5  FREELIST GROUPS 6 FREELISTS 4）；You are required to shrink the DEPT table. While performing the shrink operation， you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table？（）
    A

     Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT； statement.

    B

     Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE； statement.

    C

     Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE； statement.

    D

     You cannot shrink the SCOTT.EMP table.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    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.


    正确答案： A,F
    解析： 暂无解析

  • 第10题：

    多选题
    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.


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    To make audit information more productive， the DBA executes the following command before starting an auditoperation： SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE； Which statement is true regarding the audit record generated when auditing starts after restarting Thedatabase（）
    A

    It contains only the plan for the SQL statement executed by the user.

    B

    It contains the SQL text executed by the user and the bind variables used with it.

    C

    It contains the plan and statistics associated with the SQL statement executed by the user.

    D

    It contains the plan for the SQL statement executed by the user and the bind variables used with it


    正确答案： C
    解析： 暂无解析

  • 第12题：

    多选题
    Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement? （）
    A

    You cannot roll back this statement.

    B

    All pending transactions are committed.

    C

    All views based on the DEPT table are deleted.

    D

    All indexes based on the DEPT table are dropped.

    E

    All data in the table is deleted, and the table structure is also deleted.

    F

    All data in the table is deleted, but the structure of the table is retained.

    G

    All synonyms based on the DEPT table are deleted.


    正确答案： C,E
    解析： 暂无解析

  • 第13题：

    Which three are true?（）

    • A、A MERGE statement is used to merge the data of one table with data from another.
    • B、A MERGE statement replaces the data of one table with that of another.
    • C、A MERGE statement can be used to insert new rows into a table.
    • D、A MERGE statement can be used to update existing rows in a table.

    正确答案:A,C,D

  • 第14题：

    Evaluate the SQL statement:TRUNCATE TABLE DEPT;Which three are true about the SQL statement? （）

    • A、It releases the storage space used by the table.
    • B、It does not release the storage space used by the table.
    • C、You can roll back the deletion of rows after the statement executes.
    • D、You can NOT roll back the deletion of rows after the statement executes.
    • E、An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.
    • F、You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

    正确答案:A,D,F

  • 第15题：

    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.

    正确答案:B,D

  • 第16题：

    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.

    正确答案:D,F

  • 第17题：

    CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT 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.

    正确答案:A

  • 第18题：

    多选题
    You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUTparameter set to a nonzero value.Which three statements about resumable space allocation are true? （）(Choose three.)
    A

    Even with resumable space allocation enabled for your database, you can disable resumable space allocation for a single session.

    B

    A resumable statement is suspended only if an out of space error occurs.

    C

    When a resumable statement is suspended, the transaction that contains the statement is also suspended.

    D

    A resumable statement can only be suspended and resumed once during the execution of the statement.

    E

    You can query the V$SESSION_WAIT dynamic performance view to identify the statements that are suspended for a session


    正确答案： A,C,E
    解析： 暂无解析

  • 第19题：

    单选题
    Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT 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.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    多选题
    Evaluate the SQL statement DROP TABLE DEPT; Which four statements are true of the SQL statement? （）
    A

    You cannot roll back this statement.

    B

    All pending transactions are committed.

    C

    All views based on the DEPT table are deleted.

    D

    All indexes based on the DEPT table are dropped.

    E

    All data in the table is deleted, and the table structure is also deleted.

    F

    All data in the table is deleted, but the structure of the table is retained.

    G

    All synonyms based on the DEPT table are deleted.


    正确答案： B,E
    解析： 暂无解析

  • 第21题：

    多选题
    Which three are true? （）
    A

    A MERGE statement is used to merge the data of one table with data from another.

    B

    A MERGE statement replaces the data of one table with that of another.

    C

    A MERGE statement can be used to insert new rows into a table.

    D

    A MERGE statement can be used to update existing rows in a table.


    正确答案： D,B
    解析： 暂无解析

  • 第22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?（）
    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


    正确答案： C,B
    解析： 暂无解析

  • 第23题：

    单选题
    To make audit information more productive， the DBA executes the following command before startingan audit operation：  SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE；  Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase（）
    A

    It contains only the plan for the SQL statement executed by the user.

    B

    It contains the SQL text executed by the user and the bind variables used with it.

    C

    It contains the plan and statistics associated with the SQL statement executed by the user.

    D

    It contains the plan for the SQL statement executed by the user and the bind variables used with it.


    正确答案： B
    解析： 暂无解析

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