多选题Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?()AAn EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the

题目
多选题
Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?()
A

An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data.

B

The SQL* Loader data file myfile1.dat has the column names for the EMP table.

C

The SQL* Loader operation fails because no record terminators are specified.

D

Field names should be the first line in the both the SQL* Loader data files.

E

The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator.


相似考题
参考答案和解析
正确答案: B,C
解析: 暂无解析
更多“多选题Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?()AAn EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the”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=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:A,C

  • 第2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3题:

    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.  Which constraints will remain enabled by default during this operation()

    • A、CHECK
    • B、UNIQUE
    • C、NOT NULL
    • D、PRIMARY KEY
    • E、FOREIGN KEY

    正确答案:B,C,D

  • 第4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5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()

    • 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:

    多选题
    You executed the following FLASHBACK TABLE command: FLASHBACK TABLE emp TO TIMESTAMP (’11:45’,’hh12:mi’); Which two statements are correct? ()
    A

    The FLASHBACK TABLE statement will not be written to the alert log file.

    B

    The EMP table that was dropped by mistake from the database will be restored.

    C

    The changes made to the EMP table since the specified time will be undone.

    D

    The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.

    E

    The FLASHBACK TABLE statement will be executed within a single transaction.

    F

    The list of transactions that have modified the EMP table since the specified time will be displayed.


    正确答案: D,B
    解析: 暂无解析

  • 第7题:

    多选题
    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()
    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: C,B
    解析: 暂无解析

  • 第8题:

    多选题
    Examine these two statements:Which three are true about the MRKT tablespace?()
    A

    The MRKT tablespace is created as a small file tablespace, because the file size is less than the minimum required for big file files.

    B

    The MRKT tablespace may be dropped if it has no contents.

    C

    Users who were using the old default tablespace will have their default tablespaces changed to the MRKT tablespace.

    D

    No more data files can be added to the tablespace.

    E

    The relative file number of the tablespace is not stored in rowids for the table rows that are stored in the MRKT tablespace.


    正确答案: E,C
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements regarding the Flashback Table feature are correct?()
    A

    Flashback Table can be performed on system tables.

    B

    Flashback Table operation does not shrink the segments.

    C

    Flashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements.

    D

    Flashback Table operation acquires exclusive data manipulation language (DML) locks.


    正确答案: C,B
    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: D,B
    解析: 暂无解析

  • 第11题:

    多选题
    Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?()
    A

    An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data.

    B

    The SQL* Loader data file myfile1.dat has the column names for the EMP table.

    C

    The SQL* Loader operation fails because no record terminators are specified.

    D

    Field names should be the first line in the both the SQL* Loader data files.

    E

    The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator.


    正确答案: A,D
    解析: 暂无解析

  • 第12题:

    多选题
    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on it.  Which constraints will remain enabled by default during this operation()
    A

    CHECK

    B

    UNIQUE

    C

    NOT NULL

    D

    PRIMARY KEY

    E

    FOREIGN KEY


    正确答案: B,C
    解析: 暂无解析

  • 第13题:

    Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?()

    • A、An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data.
    • B、The SQL* Loader data file myfile1.dat has the column names for the EMP table.
    • C、The SQL* Loader operation fails because no record terminators are specified.
    • D、Field names should be the first line in the both the SQL* Loader data files.
    • E、The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator.

    正确答案:A,B,E

  • 第14题:

    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on it.  Which constraints will remain enabled by default during this operation()

    • A、CHECK
    • B、UNIQUE
    • C、NOT NULL
    • D、PRIMARY KEY
    • E、FOREIGN KEY

    正确答案:B,C,D

  • 第15题:

    Examine these two statements:Which three are true about the MRKT tablespace?()

    • A、The MRKT tablespace is created as a small file tablespace, because the file size is less than the minimum required for big file files.
    • B、The MRKT tablespace may be dropped if it has no contents.
    • C、Users who were using the old default tablespace will have their default tablespaces changed to the MRKT tablespace.
    • D、No more data files can be added to the tablespace.
    • E、The relative file number of the tablespace is not stored in rowids for the table rows that are stored in the MRKT tablespace.

    正确答案:B,C,D

  • 第16题:

    Which one of the following files contains records that do not meet the specified load criteria in the SQL*Loader control file?()

    • A、Log file
    • B、Discard file
    • C、Parameter file
    • D、Bad file

    正确答案:B

  • 第17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?()  

    • A、 All the triggers are disabled.
    • B、 All the triggers are enabled by default.
    • C、 Enabled triggers remain enabled and disabled triggers remain disabled.
    • D、 Triggers are deleted when a Flashback Table operation is performed.

    正确答案:A

  • 第18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: D
    解析: 暂无解析

  • 第19题:

    单选题
    View the Exhibit and examine the structure of the EMP table. You executed the following command to add a primary key to the EMP table:   ALTER TABLE emp   ADD CONSTRAINT emp_id_pk  PRIMARY KEY (emp_id)   USING INDEX emp_id_idx;   Which statement is true regarding the effect of the command?()
    A

     The PRIMARY KEY is created along with a new index.

    B

     The PRIMARY KEY is created and it would use an existing unique index.

    C

     The PRIMARY KEY would be created in a disabled state because it is using an existing index.

    D

     The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.


    正确答案: D
    解析: 暂无解析

  • 第20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21题:

    多选题
    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.  Which constraints will remain enabled by default during this operation()
    A

    CHECK

    B

    UNIQUE

    C

    NOT NULL

    D

    PRIMARY KEY

    E

    FOREIGN KEY


    正确答案: C,B
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true regarding the usage of the SQL*Loader utility()
    A

    You can load data into multiple tables during the same load session.

    B

    You can load data from multiple files to a table during the same load session.

    C

    You cannot perform selective data loading based on the values available in the records.

    D

    You can use an export file generated by the EXPDP utility as an input data file to load the data.

    E

    You can load data only if the input file is available on the disk and tape but not in a named pipes.


    正确答案: B,A
    解析: 暂无解析

  • 第23题:

    多选题
    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: C,A
    解析: 暂无解析

  • 第24题:

    单选题
    SQL*Loader reads a set of records from a file, generates INSERT commands, and passes them to the Oracle kernel. Oracle then finds places for those records in free blocks in the table and updates any associated indexes. Which SQL*Loader mode is used in this scenario?()
    A

    direct-path load

    B

    conventional path load


    正确答案: A
    解析: 暂无解析