Which two table types are CEF components？（）

A .  byte B .  long C .  char D .  float E .  Short F .  Long

A . Control files B . Password files C . Inactive online redo log file D . Archived log files required to perform recovery E . Newly created tablespace which is not backed u

A . No flashback is possible to bring back the ITEM table. B . The ORDER table is dropped along with the ITEM table. C . The dependent referential integrity constraints in the ORDER table are disabled. D . The dependent referential integrity constraints in the ORDER table are removed. E . The table definition of the ITEM table and associated indexes are placed in the recycle bin.

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.

A . The FLASHBACK TABLE statement will not be written to the alert log file. B . The changes made to the EMP table since the specified time will be undone. C . The EMP table that was dropped by mistake from the database will be restored. D . The FLASHBACK TABLE statement will be executed within a single transaction. E . The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.  F . The list of transactions that have modified the EMP table since the specified time will be displayed.

A .  A start B .  A ring C .  A target mode fc D .  A target mode scsi

A . neighbor table B . SPF table C . RTP table D . topology table E . query table F . DUAL table

A . Reverse lookup zones B . Standard primary zones C . Standard secondary zones D . Active Directory-integrated zone

A . Link B . NSSA external C . Network link D . Intra-area prefix E . AS domai

A . RAW B . LONG C . VARCHAR D . LONG RAW

A . External tables can be updated.  B . External tables are read-only tables.  C . Indexes can be created on external tables.  D . Indexes cannot be created on external tables.

A . It can be used to join a maximum of three tables  B . It can be used to restrict the number of columns used in a NATURAL join  C . It can be used to access data from tables through equijoins as well as nonequijoins  D . It can be used to join tables that have columns with the same name and compatible data type

A . All the related indexes and views are automatically dropped B . The flashback drop feature can recover only the table structure C . Only the related indexes are dropped whereas views are invalidated D . The flashback drop feature can recover both the table structure and its data

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.

A . U-Type and posilok shackles B . C-Type and wedge shackles C . D-Type and bow shackles D . wedge and kenter shackle

A .  Blocking cipher andnon-blocking cipher B .  CBC cipher and EBC cipher C .  Block cipher and Stream cipher D .  Blocker cipher and Streamer cipher E .  3DES cipher and AES cipher

A . Always stop the server prior to the backup B . Stop the server or lock the tables prior to the backup C . Stop the server or lock the databases prior to the backup D . Make a copy of the .frm, .myd, and the .myi files E . Make a copy of the binary log and tablespace file

A . It is not possible to disable the primary key constraint. B . It is possible to have more than one primary key constraint in a single table. C . The primary key constraint can be referred by only one foreign key constraint. D . The primary key constraint can be imposed by combining more than one column. E . The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.

A .  Reverse lookup zones B .  Standard primary zones C .  Standard secondary zones D .  Active Directory-integrated zone

A . neighbor table B . SPF table C . RTP table D . topology table E . query table F . DUAL table

A . No flashback is possible to bring back the ITEM table. B . The ORDERS table is dropped along with the ITEM table. C . The dependent referential integrity constraints in the ORDERS table are disabled. D . The dependent referential integrity constraints in the ORDERS table are removed. E . The table definition of the ITEM table and associated indexes are placed in the recycle bi

A . null lock on the row being updated B . null lock on the table containing the row C . ROW SHARE lock for the row being updated D . ROW EXCLUSIVE lock for the row being updated E . shared row-exclusive lock for the row being updated F . a shareable table lock for the table containing the row G . exclusive table-level lock for the table containing the row

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.

<img src='https://img2.soutiyun.com/shangxueba/ask/64224001-64227000/64224740/398a37009eba261eceebfd5a001edaba.png' /> <img src='https://img2.soutiyun.com/shangxueba/ask/64224001-64227000/64224740/a5add098aa6143b225044036df53c199.png' /> A. All the triggers for the table are disabled without changing any of the column names or column types in the table. B. The primary key constraint on the EMPLOYEES table is disabled during redefinition. C. VPD policies are copied from the original table to the new table during online redefinition. D. You must copy the VPD policies manually from the original table to the new table during online redefinition.