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.
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.
参考解析
解析：
暂无解析
相关考题：
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.
You opened the encryption wallet and then issued the following command:Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.What is the outcome?（）A. It creates the table and encrypts the data in it.B. It generates an error because the wallet is closed.C. It creates the table but does not encrypt the data in it.D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.
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
View the Exhibit for some of the current parameter settings. A user logs in to the HR schema and issues the following commands:SQL CREATE TABLE emp(empno NUMBER(3),ename VARCHAR2(20),sal NUMBER(8,2));SQL INSERT INTO emp(empno,ename) VALUES(1,‘JAMES‘);At this moment, a second user also logs in to the HR schema and issues the following command:SQL ALTER TABLE emp MODIFY sal NUMBER(10,2);What happens in the above scenario?（）A. The second user‘s session immediately produces the resource busy error.B. The second user‘s command executes successfully.C. The second user‘s session waits for a time period before producing the resource busy error.D. A deadlock is created.
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.
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.
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 fileB、Location of the control fileC、Contents of the control file in text formatD、SQL command to re-create the databaseE、SQL command to re-create the control fileF、Contents of the control file in binary format
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
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.
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.
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 modeC、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.
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
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 checkedE、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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.
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?（）AOne 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.BOne audit record is created for every successful execution of a SELECT, INSERT OR DELETE command, and contains the execution plan for the SQL statements.COne 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.DOne audit record is created for the whole session if JOHN successfully executes a select command, and contains the SQL text and bind variables used.EOne 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.
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.
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
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?（）AAll database operations performed by the impdp command are logged.BOnly CREATE INDEX and CREATE TABLE statements generated by the import are logged.COnly CREATE TABLE and ALTER TABLE statements generated by the import are logged.DNone of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.
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？（）ADROP TABLE MYTABLE PURGE；BPURGE RECYCLEBIN；CPURGE TABLE MYTABLE；DPURGE TABLE BIN$04LhcpndanfgMAAAAAANPw==$0；
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（）AThe commands execute successfully.BCommand 6 produces an error because of circular role grant.CCommand 5 produces an error because a role cannot be granted to another role.DCommand 3 produces an error because the MGRROLE role already contains system privileges.EThe table created by HR remains and HR still has the CREATE TABLE system privilege.FThe table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.
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（）AA CHECK constraint is created on the OID column.BA NOT NULL constraint is created on the OID column.CThe ORDERS table is the only object created in the USERS tablespace.DThe ORDERS table and a unique index are created in the USERS tablespace.EThe ORDERS table is created in the USERS tablespace and a unique index is created on the OID columnin the SYSTEM tablespace.
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?（）AIt succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.BIt fails because no SQL *Loader data file location is specified.CIt fails if the HR user does not have the CREATE ANY DIRECTORY privilege.DIt fails because no SQL *Loader control file location is specified.
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？（）AThe tablespace TBS1 is full.BThe user is not the owner of the SYSTEM tablespace.CThe user does not have quota on the TBS1 tablespace.DThe user does not have sufficient system privileges to create table in the TBS1 tablespace.EThe user does not have sufficient privileges to create table on the default permanent tablespace.
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（）AIt fails to delete the records because the records are locked in SHARE mode.BIt deletes the rows successfully because the table is locked in SHARE modeCIt fails to delete the records because the table is locked in EXCLUSIVE mode.DIt deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
多选题You issued the following command to drop the PRODUCTS table: SQL DROP TABLE products; What is the implication of this command?（）AAll data along with the table structure is deletedBThe pending transaction in the session is committedCAll indexes on the table will remain but they are invalidatedDAll views and synonyms will remain but they are invalidatedEAll data in the table are deleted but the table structure will remain
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？（）AThe table is moved to the SYSAUX tablespace.BThe table is moved to the SYSTEM tablespace.CThe table is removed from the database permanently.DThe table is renamed and remains in the TBSFD tablespace.
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？（）AThe transaction for user A is rolled back.BThe ALTER TABLE command modifies the column successfully.CThe ALTER TABLE command fails due to the resource being busy.DThe ALTER TABLE command waits until user A ends the transaction.