多选题Which two SQL*Loader instructions are used to assemble logical records?()AWHENBINFILECCONTINUEIFDCONCATENATEETRAILING NULLCOLS

题目
多选题
Which two SQL*Loader instructions are used to assemble logical records?()
A

WHEN

B

INFILE

C

CONTINUEIF

D

CONCATENATE

E

TRAILING NULLCOLS


相似考题
参考答案和解析
正确答案: D,A
解析: 暂无解析
更多“多选题Which two SQL*Loader instructions are used to assemble logical records?()AWHENBINFILECCONTINUEIFDCONCATENATEETRAILING NULLCOLS”相关问题
  • 第1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

  • 第2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3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:A,B

  • 第4题:

    Which two are attributes of iSQL*Plus? ()

    • A、/SQL*Plus commands cannot be abbreviated.
    • B、/SQL*Plus commands are accessed from a browser.
    • C、/SQL*Plus commands are used to manipulate data in tables.
    • D、/SQL*Plus commands manipulate table definitions in the database.
    • E、/SQL*Plus is the Oracle proprietary interface for executing SQL statements.

    正确答案:C,E

  • 第5题:

    Which two are attributes of /SQL*Plus? ()

    • A、/SQL*Plus commands cannot be abbreviated.
    • B、/SQL*Plus commands are accesses from a browser.
    • C、/SQL*Plus commands are used to manipulate data in tables.
    • D、/SQL*Plus commands manipulate table definitions in the database.
    • E、/SQL*Plus is the Oracle proprietary interface for executing SQL statements.

    正确答案:C,D

  • 第6题:

    多选题
    Which two statements are true about hierarchical architecture? ()(Choose two.)
    A

    You can assign a logical interface to multiple zones.

    B

    You cannot assign a logical interface to multiple zones.

    C

    You can assign a logical interface to multiple routing instances.

    D

    You cannot assign a logical interface to multiple routing instances.


    正确答案: B,C
    解析: 暂无解析

  • 第7题:

    多选题
    Which two are attributes of iSQL*Plus? ()
    A

    /SQL*Plus commands cannot be abbreviated.

    B

    /SQL*Plus commands are accessed from a browser.

    C

    /SQL*Plus commands are used to manipulate data in tables.

    D

    /SQL*Plus commands manipulate table definitions in the database.

    E

    /SQL*Plus is the Oracle proprietary interface for executing SQL statements.


    正确答案: A,C
    解析: 暂无解析

  • 第8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9题:

    单选题
    Which of the following explains the relationship between a physical and logical partition?()
    A

    A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.

    B

    A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.

    C

    A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.

    D

    A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.


    正确答案: D
    解析: 暂无解析

  • 第10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11题:

    多选题
    Which two statements about subqueries are true? ()
    A

    A subquery should retrieve only one row.

    B

    A subquery can retrieve zero or more rows.

    C

    A subquery can be used only in SQL query statements.

    D

    Subqueries CANNOT be nested by more than two levels.

    E

    A subquery CANNOT be used in an SQL query statement that uses group functions.

    F

    When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.


    正确答案: C,D
    解析: 暂无解析

  • 第12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

  • 第13题:

    Which of the following explains the relationship between a physical and logical partition?()

    • A、A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.
    • B、A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.
    • C、A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.
    • D、A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.

    正确答案:B

  • 第14题:

    Which two statements about subqueries are true? ()

    • A、A subquery should retrieve only one row.
    • B、A subquery can retrieve zero or more rows.
    • C、A subquery can be used only in SQL query statements.
    • D、Subqueries CANNOT be nested by more than two levels.
    • E、A subquery CANNOT be used in an SQL query statement that uses group functions.
    • F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.

    正确答案:B,F

  • 第15题:

    Which two SQL*Loader instructions are used to assemble logical records?()

    • A、WHEN
    • B、INFILE
    • C、CONTINUEIF
    • D、CONCATENATE
    • E、TRAILING NULLCOLS

    正确答案: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:

    多选题
    Which two statements are true regarding subqueries? ()
    A

    A subquery can retrieve zero or more rows

    B

    Only two subqueries can be placed atone level

    C

    A subquery can be used only in SQL query statements

    D

    A subquery can appear on either side of a comparison operator

    E

    There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement


    正确答案: E,B
    解析: 暂无解析

  • 第18题:

    多选题
    Which two are attributes of /SQL*Plus? ()
    A

    /SQL*Plus commands cannot be abbreviated.

    B

    /SQL*Plus commands are accesses from a browser.

    C

    /SQL*Plus commands are used to manipulate data in tables.

    D

    /SQL*Plus commands manipulate table definitions in the database.

    E

    /SQL*Plus is the Oracle proprietary interface for executing SQL statements.


    正确答案: A,B
    解析: 暂无解析

  • 第19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20题:

    多选题
    In which two scenarios do you use SQL* Loader to load data?()
    A

    Transform the data while it is being loaded into the database.

    B

    Use transparent parallel processing without having to split the external data first.

    C

    Load data into multiple tables during the same load statement.

    D

    Generate unique sequential key values in specified columns.


    正确答案: B,A
    解析: 暂无解析

  • 第21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22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