单选题Evaluate the following command:   SQL> CREATE TABLE design_data (id NUMBER, doc CLOB)  LOB(doc) STORE AS SECUREFILE(DEDUPLICATE);   Which statement is true regarding the above command?()AThe LOB values are automatically compressed.BThe LOB values are c

题目
单选题
Evaluate the following command:   SQL> CREATE TABLE design_data (id NUMBER, doc CLOB)  LOB(doc) STORE AS SECUREFILE(DEDUPLICATE);   Which statement is true regarding the above command?()
A

 The LOB values are automatically compressed.

B

 The LOB values are cached by default in the buffer cache.

C

 The LOB values are automatically stored in encrypted mode.

D

 All LOB data that is identical in two or more rows in a LOB column share the same data blocks.


相似考题
更多“Evaluate the following command:   SQL> CREATE TABLE design_d”相关问题
  • 第1题:

    On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command:$> sqlldr hr/hr@pdb table=employeesWhich two statements are true regarding the command?()

    A. It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.

    B. It fails because no SQL *Loader data file location is specified.

    C. It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.

    D. It fails because no SQL *Loader control file location is specified.


    参考答案:A, C

  • 第2题:

    You executed the following command to back up the control file: ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What do you find in the trace file?()

    • A、Image of the control file
    • B、Location of the control file
    • C、Contents of the control file in text format
    • D、SQL command to re-create the database
    • E、SQL command to re-create the control file
    • F、Contents of the control file in binary format

    正确答案:E

  • 第3题:

    Examine the commands executed in the following sequence:  1:SQL> CREATE ROLE mgrrole;  2:SQL> GRANT create user,select any table,connect,resource TO mgrrole;  3:SQL> GRANT select,update ON sh.sales TO mgrrole;  4:SQL> CREATE ROLE ceo IDENTIFIED BY boss;  5:SQL> GRANT mgrrole,drop any table,create any directory TO ceo;  6:SQL> GRANT ceo TO mgrrole;  Which statement is true about the above commands()

    • A、The commands execute successfully.
    • B、Command 6 produces an error because of circular role grant.
    • C、Command 5 produces an error because a role cannot be granted to another role.
    • D、Command 3 produces an error because the MGRROLE role already contains system privileges.
    • E、The table created by HR remains and HR still has the CREATE TABLE system privilege.
    • F、The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.

    正确答案:B

  • 第4题:

    User A executes the following command to drop a large table in your database:SQL> DROP TABLE trans; While the drop table operation is in progress, user B executes the following command on the same table:SQL> DELETE FROM trans WHERE tr_type=’SL’; Which statement is true regarding the DELETE command()

    • A、It fails to delete the records because the records are locked in SHARE mode.
    • B、It deletes the rows successfully because the table is locked in SHARE mode
    • C、It fails to delete the records because the table is locked in EXCLUSIVE mode.
    • D、It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.

    正确答案:C

  • 第5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6题:

    单选题
    You execute the following commands to audit database activities: SQL > ALTER SYSTEM SET AUDIT_TRIAL=DB, EXTENDED SCOPE=SPFILE; SQL > AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE BY JOHN By SESSION WHENEVER SUCCESSFUL; Which statement is true about the audit record that generated when auditing after instance restarts?()
    A

    One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command on a table, and contains the SQL text for the SQL Statements.

    B

    One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command, and contains the execution plan for the SQL statements.

    C

    One audit record is created for the whole session if john successfully executes a SELECT, INSERT, or DELETE command, and contains the execution plan for the SQL statements.

    D

    One audit record is created for the whole session if JOHN successfully executes a select command, and contains the SQL text and bind variables used.

    E

    One audit record is created for the whole session if john successfully executes a SELECT, INSERT,or DELETE command on a table, and contains the execution plan, SQL text, and bind variables used.


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    View the Exhibit and examine the parameters. User A executes the following command to update the TRANStable: SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’; Before user A issues a COMMIT orROLLBACK command, user B executes the following command on the TRANS table: SQL> ALTER TABLE trans MODIFY (tr_type VARCHAR2(3));  What would happen in this scenario()
    A

    The ALTER TABLE command modifies the column successfully.

    B

    The DDL operation gets higher priority and transaction for user A is rolled back.

    C

    The ALTER TABLE command waits indefinitely until user A ends the transaction.

    D

    The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy


    正确答案: C
    解析: 暂无解析

  • 第8题:

    多选题
    You issued the following command:        SQL> DROP TABLE MYTABLE;        SQL> SHOW RECYCLEBIN  The following output is returned:        ORIGINAL NAME RECYCLEBIN NAME               OBJECT TYPE      DROP TIME        ------------- ------------------------------ --------------- --------------------        MYTABLE BIN$04LhcpndanfgMAAAAAANPw==$0     TABLE           2005-01-13:20:11:31  You want to drop the table, MYTABLE, from the Recycle Bin. Which two commands can you issue to accomplish the desired task?()
    A

    DROP TABLE MYTABLE PURGE;

    B

    PURGE RECYCLEBIN;

    C

    PURGE TABLE MYTABLE;

    D

    PURGE TABLE BIN$04LhcpndanfgMAAAAAANPw==$0;


    正确答案: A,B
    解析: 暂无解析

  • 第9题:

    多选题
    Examine the command that is used to create a table: SQL> CREATE TABLE orders(oid NUMBER(6) PRIMARY KEY, odate DATE, ccode NUMBER (6), oamtNUMBER(10,2)) TABLESPACE users; Which two statements are true about the effect of the above command()
    A

    A CHECK constraint is created on the OID column.

    B

    A NOT NULL constraint is created on the OID column.

    C

    The ORDERS table is the only object created in the USERS tablespace.

    D

    The ORDERS table and a unique index are created in the USERS tablespace.

    E

    The ORDERS table is created in the USERS tablespace and a unique index is created on the OID columnin the SYSTEM tablespace.


    正确答案: B,C
    解析: 暂无解析

  • 第10题:

    多选题
    On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?()
    A

    It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.

    B

    It fails because no SQL *Loader data file location is specified.

    C

    It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.

    D

    It fails because no SQL *Loader control file location is specified.


    正确答案: C,B
    解析: 暂无解析

  • 第11题:

    单选题
    User A executes the following command to drop a large table in your database:SQL> DROP TABLE trans; While the drop table operation is in progress, user B executes the following command on the same table:SQL> DELETE FROM trans WHERE tr_type=’SL’; Which statement is true regarding the DELETE command()
    A

    It fails to delete the records because the records are locked in SHARE mode.

    B

    It deletes the rows successfully because the table is locked in SHARE mode

    C

    It fails to delete the records because the table is locked in EXCLUSIVE mode.

    D

    It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Examine the following commands executed in your database: SQL> ALTER SESSION RECYCLEBIN=ON; Session altered  SQL > CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;  Table created.  Further, you executed the following command to drop the table:  SQL> DROP TABLE emp;Table dropped.  What happens in this scenario?()
    A

    The table is moved to the SYSAUX tablespace.

    B

    The table is moved to the SYSTEM tablespace.

    C

    The table is removed from the database permanently.

    D

    The table is renamed and remains in the TBSFD tablespace.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Examine the command that is used to create a table: SQL> CREATE TABLE orders(oid NUMBER(6) PRIMARY KEY, odate DATE, ccode NUMBER (6), oamtNUMBER(10,2)) TABLESPACE users; Which two statements are true about the effect of the above command()

    • A、A CHECK constraint is created on the OID column.
    • B、A NOT NULL constraint is created on the OID column.
    • C、The ORDERS table is the only object created in the USERS tablespace.
    • D、The ORDERS table and a unique index are created in the USERS tablespace.
    • E、The ORDERS table is created in the USERS tablespace and a unique index is created on the OID columnin the SYSTEM tablespace.

    正确答案:B,D

  • 第14题:

    You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?()

    • A、All data along with the table structure is deleted 
    • B、The pending transaction in the session is committed 
    • C、All indexes on the table will remain but they are invalidated 
    • D、All views and synonyms will remain but they are invalidated 
    • E、All data in the table are deleted but the table structure will remain

    正确答案:A,B,D

  • 第15题:

    Examine the following commands executed in your database: SQL> ALTER SESSION RECYCLEBIN=ON; Session altered  SQL > CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;  Table created.  Further, you executed the following command to drop the table:  SQL> DROP TABLE emp;Table dropped.  What happens in this scenario?()

    • A、The table is moved to the SYSAUX tablespace.
    • B、The table is moved to the SYSTEM tablespace.
    • C、The table is removed from the database permanently.
    • D、The table is renamed and remains in the TBSFD tablespace.

    正确答案:D

  • 第16题:

    Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()  

    • A、 Create new indexes.
    • B、 Modify existing indexes.
    • C、 Implement partitioning on a nonpartitioned table.
    • D、 Create materialized views.
    • E、 All of the above

    正确答案:E

  • 第17题:

    单选题
    Evaluate the following SQL statements that are issued in the given order:  What would be the status of the foreign key EMP_MGR_FK?()
    A

     It would be automatically enabled and deferred.

    B

     It would be automatically enabled and immediate.

    C

     It would remain disabled and has to be enabled manually using the ALTER TABLE command.

    D

     It would remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    View the Exhibit and examine the parameters. User A executes the following command to update the TRANS table: SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’;  Before user A issues a COMMIT or ROLLBACK command, user B executes the following command onthe TRANS table:  SQL> ALTER TABLE trans MODIFY (tr_type VARCHAR2(3));  What would happen in this scenario()
    A

    The ALTER TABLE command modifies the column successfully.

    B

    The DDL operation gets higher priority and transaction for user a is rolled back.

    C

    The ALTER TABLE command waits indefinitely until user a ends the transaction.

    D

    The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy.


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    Examine the following query output: You issue the following command to import tables into the hr schema: $ > impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hr TRANSFORM=DISABLE_ARCHIVE_LOGGING: Y Which statement is true?()
    A

    All database operations performed by the impdp command are logged.

    B

    Only CREATE INDEX and CREATE TABLE statements generated by the import are logged.

    C

    Only CREATE TABLE and ALTER TABLE statements generated by the import are logged.

    D

    None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    Examine the commands executed in the following sequence:  1:SQL> CREATE ROLE mgrrole;  2:SQL> GRANT create user,select any table,connect,resource TO mgrrole;  3:SQL> GRANT select,update ON sh.sales TO mgrrole;  4:SQL> CREATE ROLE ceo IDENTIFIED BY boss;  5:SQL> GRANT mgrrole,drop any table,create any directory TO ceo;  6:SQL> GRANT ceo TO mgrrole;  Which statement is true about the above commands()
    A

    The commands execute successfully.

    B

    Command 6 produces an error because of circular role grant.

    C

    Command 5 produces an error because a role cannot be granted to another role.

    D

    Command 3 produces an error because the MGRROLE role already contains system privileges.

    E

    The table created by HR remains and HR still has the CREATE TABLE system privilege.

    F

    The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.


    正确答案: F
    解析: 暂无解析

  • 第21题:

    单选题
    Evaluate the following command:   SQL> CREATE TABLE design_data (id NUMBER, doc CLOB)  LOB(doc) STORE AS SECUREFILE(DEDUPLICATE);   Which statement is true regarding the above command?()
    A

     The LOB values are automatically compressed.

    B

     The LOB values are cached by default in the buffer cache.

    C

     The LOB values are automatically stored in encrypted mode.

    D

     All LOB data that is identical in two or more rows in a LOB column share the same data blocks.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    You execute the following set of commands to create a database user and to grant the system privileges in your production environment.  SQL> CREATE USER user01  IDENTIFIED BY oracle DEFAULT TABLESPACE tbs1  TEMPORARY TABLESPACE temp PROFILE default  /  SQL> GRANT create session, create table TO user01; While executing the command to create a table, the user gets the following error message and the CREATE TABLE.. command fails.  ERROR at line 1: ORA-01950: no privileges on tablespace  What could be the possible reason for this error message?()
    A

    The tablespace TBS1 is full.

    B

    The user is not the owner of the SYSTEM tablespace.

    C

    The user does not have quota on the TBS1 tablespace.

    D

    The user does not have sufficient system privileges to create table in the TBS1 tablespace.

    E

    The user does not have sufficient privileges to create table on the default permanent tablespace.


    正确答案: C
    解析: 暂无解析

  • 第23题:

    多选题
    You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?()
    A

    All data along with the table structure is deleted

    B

    The pending transaction in the session is committed

    C

    All indexes on the table will remain but they are invalidated

    D

    All views and synonyms will remain but they are invalidated

    E

    All data in the table are deleted but the table structure will remain


    正确答案: B,C
    解析: 暂无解析

  • 第24题:

    单选题
    User A executes the following command to update the TRANS table)  SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’;  Before user A issues a COMMIT or ROLLBACK command, user B executes the following command on the TRANS table:   SQl> ALTER TABLE trans MODIFY (tr_type VARCHAR2 (3));  What would happen in this scenario?()
    A

    The transaction for user A is rolled back.

    B

    The ALTER TABLE command modifies the column successfully.

    C

    The ALTER TABLE command fails due to the resource being busy.

    D

    The ALTER TABLE command waits until user A ends the transaction.


    正确答案: D
    解析: 暂无解析