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

题目
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.You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUT parameter set to a nonzero value.Which three statements about resumable space allocation are true? ()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. （Out of space condition Maximum extents reached condition，Space quota exceeded condition）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.

3.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.

4.Evaluate the following SQL statement used to create the PRODUCTS table:Which statement is true regarding this command?()A. It executes successfully but partition pruning cannot happen for this partition key.B. It produces an error because the TOTAL_VALUE column cannot be used as a partition key.C. It produces an error because compression cannot be used for the TOTAL_VALUE partition key.D. It executes successfully but the values in the TOTAL_VALUE column would not be physically stored in the partitions.

参考答案和解析
参考答案：B, D, F
更多“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 us”相关问题

  • 第1题：

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


    参考答案：A

  • 第2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.


    参考答案：A

  • 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


    参考答案：A, C, E

  • 第4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:A,C,E

  • 第5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6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7题：

    You issued the following statement in your SQL*Plus session：   SQL>ALTER SESSION ENABLE RESUMABLE TIMEOUT 600；   Which operation is neither suspended nor resumed using the Automatic Resumable Allocation feature in your database？（）

    • A、 creating a table in your schema and you exceed your allocated space quota on the tablespace
    • B、 executing a long query that involves a sort operation and the statement runs out of temporary space
    • C、 loading data into tables by using the SQL*Loader and the number of extents in the table reaches the maximum limit
    • D、 creating a table in a dictionary-managed tablespace with an explicit MAXEXTENTS setting which results in an out of space error

    正确答案:D

  • 第8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

  • 第9题：

    Examine the following statement that is used to modify the constraint on the SALES table： SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）

    • A、The constraint remains valid.
    • B、The index on the constraint is dropped.
    • C、It allows the loading of data into the table using SQL*Loader.
    • D、New data conforms to the constraint， but existing data is not checked
    • E、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.

    正确答案:A,B,C

  • 第10题：

    单选题
    View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables.  Evaluate the following SQL statement：   SELECT oi.order_id， product_jd， order_date   FROM order_items oi JOIN orders o   USING （order_id）；   Which statement is true regarding the execution of this SQL statement？（）
    A

     The statement would not execute because table aliases are not allowed in the JOIN clause.

    B

     The statement would not execute because the table alias prefix is not used in the USING clause.

    C

     The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.

    D

     The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.


    正确答案： A
    解析： 暂无解析

  • 第11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：

    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.


    参考答案：C

  • 第14题：

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


    参考答案：A

  • 第15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16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17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18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19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20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21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22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23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

相关内容