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单选题
ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language （DML） statements on the encrypted data in the tables？（）
A
The data is decrypted during SORT and JOIN operations.
B
The data remains encrypted when it is read into memory.
C
The data remains encrypted when it is stored in the redo logs.
D
The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
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更多 “单选题ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language （DML） statements on the encrypted data in the tables？（）A The data is decrypted during SORT and JOIN operations.B The data remains encrypted when it is read into memory.C The data remains encrypted when it is stored in the redo logs.D The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.” 相关考题
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ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language (DML) statements on the encrypted data in the tables?（）A、The data is decrypted during SORT and JOIN operations.B、The data remains encrypted when it is read into memory.C、The data remains encrypted when it is stored in the redo logs.D、The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
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Which two statements are true regarding the Oracle Data Pump export and import operations（）A、You cannot export data from a remote database.B、You can rename tables during an import operation.C、You can overwrite existing dump files during an export operation.D、You can compress the data during export but not the metadata because it is not supported.
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USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format. Which methodswould you use to achieve this?（）A、Use Data Pump to transfer the existing data to a new encrypted tablespaceB、Use ALTER TABLE MOVE to transfer the existing data to a new encrypted tablespaceC、Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespaceD、Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt the tablespaceE、Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatically encrypted
考题
单选题Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk failure while the database was open. You have neither a backup of the lost index tablespace nor the scripts containing the CREATE INDEX statements to recreate the indexes. Currently， several users are executing long-running queries on the database. What will happen to the ongoing activity in the database？（）A
The queries that are currently executing will abort and an error message will be returned to the user.B
The queries that are currently executing will execute normally but future queries will not executed.C
Data Manipulation Language （DML） statements cannot be performed on the tables on which the indexes are based.D
The currently executing and future queries will execute normally， but will be slower
考题
多选题Which statements are correct about temporary tables（）AIndexes and views can be created on temporary tables.BBoth the data and the structure of temporary tables can be exported.CTemporary tables are always created in a user’s temporary tablespace.DThe data inserted into a temporary table in a session is available to other sessions.EData manipulation language （DML） locks are never acquired on the data of temporary tables
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多选题Which two statements are true regarding the USING clause in table joins?（）AIt can be used to join a maximum of three tablesBIt can be used to restrict the number of columns used in a NATURAL joinCIt can be used to access data from tables through equijoins as well as nonequijoinsDIt can be used to join tables that have columns with the same name and compatible data types
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多选题Which four actions are possible during an Online Data file Move operation?（）ACreating and dropping tables in the data file being movedBPerforming file shrink of the data file being movedCQuerying tables in the data file being movedDPerforming Block Media Recovery for a data block in the data file being movedEFlashing back the databaseFExecuting DML statements on objects stored in the data file being moved
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多选题Which three statements are correct about temporary tables？（）AIndexes and views can be created on temporary tables.BBoth the data and the structure of temporary tables can be exported.CTemporary tables are always created in a user’s temporary tablespace.DThe data inserted into a temporary table in a session is available to other sessions.EData manipulation language （DML） locks are never acquired on the data of temporary tables.
考题
单选题Which statement is true regarding the INTERSECT operator?（）A
It ignores NULL values B
Reversing the order of the intersected tables alters the result C
The names of columns in all SELECT statements must be identical D
The number of columns and data types must be identical for all SELECT statements in the query
考题
多选题Which two statements are true about simple views？（）AViews can be created as read only.BViews are data segments like tables.CViews can be created on the basis of more than one table.DData manipulation language （DML） operations cannot be performed on views.
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