RAW
LONG
VARCHAR
LONG RAW
第1题:
Which two statements are true about a bitmap index? ()
第2题:
Which two operations can be flashed back using the Flashback technology?()
第3题:
Which two operations can be performed on an external table()
第4题:
Which two statements about Flashback Query are true?()
第5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()
第6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()
第7题:
Oracle Data Pump.
An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD to move the indexes.
An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD ONLINE to move the indexes.
Online Table Redefinition.
Edition-Based Table Redefinition.
第8题:
The constraint remains valid.
The index on the constraint is dropped.
It allows the loading of data into the table using SQL *Loader.
New data conforms to the constraint, but existing data is not checked.
It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
第9题:
It is recommended for the columns that have unique values.
It can be converted to a B-tree index by using the ALTER INDEX command.
It has a bitmap segment for each distinct value in the key column, containing a string of bits in which each bit represents the presence or absence of a key column value.
Updating the key column locks the whole bitmap segment that contains the bit for the key value to be updated.
第10题:
Create a view on the table.
Create an index on the table.
Create a synonym on the table.
Add a virtual column to the table.
Update the table using the UPDATE statement.
Delete rows in the table using the DELETE command.
第11题:
It is generated by using the redo log files.
It helps in row-level recovery from user errors.
It can be performed to recover ALTER TABLE statements
It fails when undo data pertaining to the transaction is overwritten.
The database has to be opened with the resetlogs option after performing Flashback Query.
第12题:
Line
Column
Bubble
Flowchart
OHLC candle stock
第13题:
Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command?()
第14题:
For which two SQL statements can you use the Flashback Table feature to revert a table to its previous state?()
第15题:
Which two statements are true regarding the USING and ON clauses in table joins?()
第16题:
Which two operations can be performed on an external table()
第17题:
User A issues the command: LOCK TABLES pets READ; Which command can User B execute against the pets table?()
第18题:
TestKing.com uses a SQL Server 2005 database. This database contains a trigger named trg InsertOrders, which fires when order data is inserted into the Orders table. The trigger is responsible for ensuring that a customer exists in the Customers table before data is inserted into the Orders table. You need to configure the trigger to prevent it from firing during the data import process. You must accomplish this goal while using the least amount of administrative effort. Which two Transact-SQL statements can you use to achieve this goal?()
第19题:
It can be used to join a maximum of three tables
It can be used to restrict the number of columns used in a NATURAL join
It can be used to access data from tables through equijoins as well as nonequijoins
It can be used to join tables that have columns with the same name and compatible data types
第20题:
Both USING and ON clauses can be used for equijoins and nonequijoins
Amaximum of one pair of columns can be joined between two tables using the ON clause
The ON clause can be used to join tables on columns that have different names but compatible data types
The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause
第21题:
It is built by Automatic Tuning Optimizer.
It cannot be stored persistently in the data dictionary.
It can be used by the query optimizer automatically.
It can be created manually by using the CREATE PROFILE command.
第22题:
Create a view on the table.
Create an index on the table.
Create a synonym on the table.
Add a virtual column to the table.
Update the table using the UPDATE statement.
Delete rows in the table using the DELETE command
第23题:
The constraint remains valid.
The index on the constraint is dropped.
It allows the loading of data into the table using SQL*Loader.
New data conforms to the constraint, but existing data is not checked
It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
第24题:
RAW
LONG
VARCHAR
LONG RAW