It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.
It fails because no SQL *Loader data file location is specified.
It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.
It fails because no SQL *Loader control file location is specified.
第1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? ()
第2题:
You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance, you plan to move the data from the flat files toclustered tablesin an Oracle database. While migrating the data, you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database()
第3题:
You issue the following statement: SQL> SELECT FIRSTNAME, LASTNAME FROM HR.EMPLOYEE; You receive the following error: 01578: ORACLE data block corrupted (file# 6, block # 54) ORA-01110 : data file 6: ’u01/oracle/oradata/data1.dbf’ How will you resolve this problem of data block corruption by reducing the mean time to recover (MTTR)?()
第4题:
Examine the following statement that is used to modify the primary key constraint on the SALES table: SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE; Which three statements aretrue regarding the above command()
第5题:
Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? ()
第6题:
All the related indexes and views are automatically dropped
The flashback drop feature can recover only the table structure
Only the related indexes are dropped whereas views are invalidated
The flashback drop feature can recover both the table structure and its data
第7题:
The table is moved to the SYSAUX tablespace.
The table is moved to the SYSTEM tablespace.
The table is removed from the database permanently.
The table is renamed and remains in the TBSFD tablespace.
第8题:
It stores only the temporary table but not its indexes.
It stores both the temporary table as well as its indexes.
It must be a nondefault temporary tablespace for the database.
It can be a default or nondefault temporary tablespace for the database.
It must be the default temporary tablespace of the user who issues the command.
第9题:
CHECK
UNIQUE
NOT NULL
PRIMARY KEY
FOREIGN KEY
第10题:
All the related indexes and views are automatically dropped
The flashback drop feature can recover only the table structure
Only the related indexes are dropped whereas views are invalidated
The flashback drop feature can recover both the table structure and its data
第11题:
CHECK
UNIQUE
NOT NULL
PRIMARY KEY
FOREIGN KEY
第12题:
All database operations performed by the impdp command are logged.
Only CREATE INDEX and CREATE TABLE statements generated by the import are logged.
Only CREATE TABLE and ALTER TABLE statements generated by the import are logged.
None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.
第13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?()
第14题:
You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()
第15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()
第16题:
You have just performed a FLASHBACK TABLE operation using the following command: flashback table employees to scn 123456; The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation?()
第17题:
An error is generated.
You will have two identical tables in the HR schema with different names.
You create a table called employees in the HR schema based on you EMP table.
You create an alternative name for the employees table in the HR schema in your own schema.
第18题:
by using the DBMS_REPAIR package
by using the DBVERIFY utility
by using Block Media Recovery
by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
第19题:
All the triggers are disabled.
All the triggers are enabled by default.
Enabled triggers remain enabled and disabled triggers remain disabled.
Triggers are deleted when a Flashback Table operation is performed.
第20题:
The constraint remains valid.
The index on the constraint is dropped.
It allows the loading of data into the table using SQL *Loader.
New data conforms to the constraint, but existing data is not checked.
It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
第21题:
It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.
It fails because no SQL *Loader data file location is specified.
It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.
It fails because no SQL *Loader control file location is specified.
第22题:
The constraint remains valid.
The index on the constraint is dropped.
It allows the loading of data into the table using SQL*Loader.
New data conforms to the constraint, but existing data is not checked
It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
第23题:
It fails with a Resource Busy error.
It deletes the rows successfully because the table is locked in SHARE mode.
It fails to delete the records because the table is locked in EXCLUSIVE mode.
It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.