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单选题
A data manipulation language statement ().
A
completes a transaction on a table
B
modifies the structure and data in a table
C
modifies the data but not the structure of a table
D
modifies the structure but not the data of a table
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Which two client requests are captured during database replay Capture?()
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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 statement is true about a running session that belongs to the online transaction processing (OLTP) group?()
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Which two client requests are captured during database replay Capture?() (Choose two)
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Which two client requests are captured during database replay Capture?()A、Flashback queriesB、Shared server requestsC、Login and logoff activities of sessionsD、Direct path load of data from external files by using utilities such as SQL *loaderE、Data definition language (DDL) and data manipulation language (DML) operations
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When does a transaction complete?()A、when a DELETE statement is executed B、when a ROLLBACK command is executed C、when a PL/SQL anonymous block is executed D、when a data definition language (DDL) statement is executed E、when a TRUNCATE statement is executed after the pending transact ion
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Which two statements are true about simple views?()A、Views can be created as read only.B、Views are data segments like tables.C、Views can be created on the basis of more than one table.D、Data manipulation language (DML) operations cannot be performed on views.
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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 checkedE、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
You suspect unauthorized data manipulation language (DML) operations on a particular table. Youwant to track users who are performing the transactions and the values used in the transactions. You alsoplan to transfer these values to another table for analysis. How would you achieve this()A、by using triggersB、by using Data PumpC、by using external tablesD、by using anonymous PL/SQL blocks
考题
单选题You suspect unauthorized data manipulation language (DML) operations on a particular table. Youwant to track users who are performing the transactions and the values used in the transactions. You alsoplan to transfer these values to another table for analysis. How would you achieve this()A
by using triggersB
by using Data PumpC
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考题
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()AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL *Loader.DNew data conforms to the constraint, but existing data is not checked.EIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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多选题Which two client requests are captured during database replay Capture?() (Choose two)AFlashback queriesBShared server requestsCLogin and logoff activities of sessionsDDirect path load of data from external files by using utilities such as SQL *loaderEData definition language (DDL) and data manipulation language (DML) operations
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多选题When does a transaction complete?()Awhen a DELETE statement is executedBwhen a ROLLBACK command is executedCwhen a PL/SQL anonymous block is executedDwhen a data definition language (DDL) statement is executedEwhen a TRUNCATE statement is executed after the pending transact ion
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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.
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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()AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL*Loader.DNew data conforms to the constraint, but existing data is not checkedEIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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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.
考题
单选题Which statement correctly describes SQL and /SQL*Plus?()A
Both SQL and /SQL*plus allow manipulation of values in the database.B
/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.C
/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.D
/SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.
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多选题Which two client requests are captured during database replay Capture?()AFlashback queriesBShared server requestsCLogin and logoff activities of sessionsDDirect path load of data from external files by using utilities such as SQL *loaderEData definition language (DDL) and data manipulation language (DML) operations
考题
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.
考题
单选题You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace: ALTER TABLE employees SHRINK SPACE CASCADE; Which statement is correct in this scenario?()A
The data in the segment will be compacted but the high water mark will not be adjusted B
The EMPLOYEES table will be changed to read-only mode during the shrink operation C
The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is overD
The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation E
Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation
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