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多选题
You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?（）
A
The valid time columns employee_time_start and employee_time_end are automatically created.
B
The same statement may filter on both transaction time and valid temporal time by using the AS OF TIMESTAMP and PERIOD FOR clauses.
C
The valid time columns are not populated by the Oracle Server automatically.
D
The valid time columns are visible by default when the table is described.
E
Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulatio
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更多 “多选题You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?（）AThe valid time columns employee_time_start and employee_time_end are automatically created.BThe same statement may filter on both transaction time and valid temporal time by using the AS OF TIMESTAMP and PERIOD FOR clauses.CThe valid time columns are not populated by the Oracle Server automatically.DThe valid time columns are visible by default when the table is described.ESetting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulatio” 相关考题
考题
Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? ()
A. An error is generated.B. You will have two identical tables in the HR schema with different names.C. You create a table called employees in the HR schema based on you EMP table.D. You create an alternative name for the employees table in the HR schema in your own schema.
考题
In your multitenant container database (CDB) containing pluggable database (PDBs), you granted theCREATE TABLE privilege to the common user C A_ADMIN in root and all PDBs. You execute thefollowing command from the root container:SQL >REVOKE create table FROM C A_ADMIN;What is the result?（）A. It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root only.B. It fails and reports an error because the CONTAINER=ALL clause is not used.C. It excludes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root and all PDBs.D. It fails and reports an error because the CONTAINER=CURRENT clause is not used.E.It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in all PDBs.
考题
You are the administrator of a SQL Server 2000 computer in your company's personnel department. Employee data is stored in a SQL Server 2000 database. A portion of the database schema is shown in the exhibit.You want to create a text file that lists these data columns in the following format title, FirstName, LastName, WorkPhone, PositionName, DepartmentName.You want to create the text file as quickly as possible. You do not expect to re-create this file, and you want to avoid creating new database objects if possible.What should you do?A．Use the bcp utility to export data from each table to a separate text file. Use format files to select the appropriate columns. Merge the data from each text file into a single text file.B．Create a view that joins data from all three tables include only the columns you want to appear in the text file. Use the bcp utility to export data from the view.C．Create a SELECT query that joins the data from the appropriate columns in the three tables. Add an INTO clause to the query to create a local temporary table. Use the bcp utility to export data from the local temporary table to a text file.D．Create a SELECT query that joins the data from the appropriate columns in the three tables. Add an INTO clause to the query to create a global temporary table. Use the bcp utility to export data from the global temporary table to a text file.
考题
Exhibit:UPDATE EzonexamConsolidatedSET District = ‘Mexico’WHERE RtvID = 45You work as database administrator at Ezonexam.com. You handle one SQL Server 2000 computer and one database.When users run the query in the exhibit above the receive the following error message:Server: Mrh3612, Level 16, Stats 1, Line 1View or function ‘EzonexamConsolidated’ is not updateable because itcontains aggregates:How should you enable the query to run?A．Create a non-normalized EzonexamConsolidated table and populate the table with data from the base tables.B．The appropriate users should be granted UPDATE permissions on each base table.C．To enable updates on the composite tables create an INSTEAD OF trigger on the view.D．On each base table add a cascading update trigger.
考题
Which two are true about aggregate functions?（）A、You can use aggregate functions in any clause of a SELECT statement.B、You can use aggregate functions only in the column list of the select clause and in the WHERE clause of a SELECT statement.C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.D、You can pass column names, expressions, constants, or functions as parameter to an aggregate function.E、You can use aggregate functions on a table, only by grouping the whole table as one single group.F、You cannot group the rows of a table by more than one column while using aggregate functions.
考题
You are designing an application for a telecom company and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order. Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（）A、create a hash cluster to store the dataB、create an index cluster to store the dataC、create a partitioned table to store the dataD、create a sorted hash cluster to store the dataE、create a heap table with rowid to store the data
考题
You want the size of the tablespace to increase when it is full. Which option would you use？（）A、use automatic extent allocationB、disable threshold for the tablespaceC、use freelists to manage the free spaceD、use automatic segment space managementE、create the tablespace as a bigfile tablespaceF、use the RESIZE clause while creating the tablespaceG、enable AUTOEXTEND for at least one of the data files in the tablespace
考题
A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLEcommand with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the twoeffects of this command（）A、It fails if any existing row violates the constraint.B、It does not validate the existing data in the table.C、It enables the constraint to be enforced at the end of each transaction.D、It prevents insert， update， and delete operations on the table while the constraint is in the process of beingenabled
考题
The accounting manager wants you to create a form that when queried will display a calculated total of year-to-date actual expenditures for the found code entered. The values needed to generate this summary data are stored in multiple tables. Which data source type can you assign to the data block for this form without having the DBA create a database object?（）A、database table B、transactional trigger C、stored procedure D、FROM clause query E、client-side procedure
考题
You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）A、 You must enable the block change tracking feature.B、 You must have enable the flashback feature.C、 You must use the OMF in your database.D、 You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
考题
In which scenario will you use the Flashback Transaction Query feature？（）A、 when you want to restore an important table that is dropped from the Recycle BinB、 when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transactionC、when you want to restore a dropped user’s schemaD、 when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period
考题
When shrinking a table segment， you choose to shrink all the indexes for that table using the SHRINK SPACE command. Which clause should you use？（）A、 INCLUDING DEPENDENCIESB、 INCLUDING DEPENDENCIES CASCADEC、 COMPACTD、 CASCADEE、 None of the above
考题
You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table： SQL FLASHBACK TABLE ORDERS TO SCN 771513； What is the prerequisite to perform Flashback Table？（）A、 You must configure OMF in your database.B、 You must enable block change tracking feature in your database.C、 You must enable ROW MOVEMENT feature on the ORDERS table.D、 You must use the Flashback Version Query before using the Flashback Table feature.
考题
You are a network administrator for The network contains a Windows Server 2003 computer named Testking1. You need to install an application on Testking1. The installation will cause several changes to the registry. You plan to use the Backup utility to create a backup that will enable you to restore the registry. TestKing requirements for network management state that all backups must be performed during an eight-hour period at night. Because of this time constraint, you need to ensure that the backup can be recovered as quickly as possible. You need to create a backup that meets the requirements. What should you do?（）A、Create a backup of the system partition.B、Create a backup of the boot partition.C、Create a backup of the System State.D、Create an Automated System Recovery (ASR) backup.E、Create a backup of the Systemroot/System32/Config folder.
考题
You need to design a strategy for managing the messages that are sent to the customer service mailboxes. What should you do？（）A、Create a separate storage group and database to contain the customer service mailboxes. Enable circular logging for this storage groupB、Create a separate storage group and database to contain the customer service mailboxes. Set the deleted item retention period for this database to zeroC、Place the customer service mailboxes on a new mailbox store in the storage group that contains the main office user mailboxes. Enable circular logging for this storage groupD、Place the customer service mailboxes on a new mailbox store in the storage group that contains the branch office user mailboxes. Set the deleted item retention period for this database to zero
考题
You work with a SQL Server 2005 database that provides banking information for customers. You want customers to see banking reports that combine data that is retrieved from the database with real-time investment information that comes from a Web service provided by a third party. The investment information must be current when the reports are executed. You need to create the appropriate objects that support the reports. What should you do？（）A、Publish the data in the database as an XML Web service by using the FOR XML AUTO clause.B、Create a table to store the banking information for each customer. Create a trigger that fires when data is inserted into the table that joins with the data coming from the Web service.C、Create a Transact-SQL stored procedure that uses a temporary table to store the banking information for each customer. Update the table with the values from the Web service.D、Have a developer in TestKing.com create an assembly that calls the remote Web service.Create a CLR function by using the assembly. Call the CLR function and combine the results with banking information in the database.
考题
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. The DB1 database contains the following stored procedure. (Line numbers are useded for reference only.) 01 CREATE PROCEDURE Sales.Procedure1 02 AS 03 IF OBJECT_ID('Service.Table') IS NOT NULL 04 DROP TABLE Service.Table; 06 CREATE TABLE Service.Table ( 07 Id int PRIMARY KEY CLUSTERED, 08 Name varchar(100); 09 ); 11 ... 12 GOThe following exception is raised when a user tries to invoke Procedure1, "Msg 262, Level 14, State 1, Procedure Procedure1, Line 5 CREATE TABLE permission denied in database 'DB1'." You should grant the user access to execute Procedure1, you must assign only the required permissions. What action should you do perform?（） A、Between lines 01 and 02, you should insert the WITH EXECUTE AS apos;dboapos; clause. B、Between lines 01 and 02, you should insert the EXECUTE AS USER = apos;dboapos; statement. C、You should give the user the ALTER permission on the Service schema D、You should give the CREATE TABLE permission and permit the user to drop the Service.Table table.
考题
多选题A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the two effects of this command？（）AIt fails if any existing row violates the constraint.BIt does not validate the existing data in the table.CIt enables the constraint to be enforced at the end of each transaction.DIt prevents insert， update， and delete operations on the table while the constraint is in the process of being enabled.
考题
单选题You need to base a data block on the EMP table, but you do not want to give the users of the application access privileges on the table. Which type of data source would you use to create the data block?（）A
table B
transactional trigger C
stored procedure D
FROM clause query
考题
单选题You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table： SQL FLASHBACK TABLE ORDERS TO SCN 771513； What is the prerequisite to perform Flashback Table？（）A
You must configure OMF in your database.B
You must enable block change tracking feature in your database.C
You must enable ROW MOVEMENT feature on the ORDERS table.D
You must use the Flashback Version Query before using the Flashback Table feature.
考题
单选题You are performing the shrink operation on the SCOTT.EMP table. You want to perform the same operation on all dependent objects of the SCOTT.EMP table. What is NOT a prerequisite for the operation？（）A
You must enable the row movement on the SCOTT.EMP table.B
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.C
You must use the CASCADE clause in the ALTER TABLE SHRINK SPACE statement.D
You must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.
考题
单选题You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）A
You must enable the block change tracking feature.B
You must have enable the flashback feature.C
You must use the OMF in your database.D
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
考题
单选题In your multitenant container database (CDB) containing pluggable database (PDBs), you granted theCREATE TABLE privilege to the common user C # # A_ADMIN in root and all PDBs. You execute thefollowing command from the root container:SQL REVOKE create table FROM C # # A_ADMIN;What is the result?（）A
It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root only.B
It fails and reports an error because the CONTAINER=ALL clause is not used.C
It excludes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root and all PDBs.D
It fails and reports an error because the CONTAINER=CURRENT clause is not used.E
It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in all PDBs.
考题
单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. The DB1 database contains the following stored procedure. (Line numbers are useded for reference only.) 01 CREATE PROCEDURE Sales.Procedure1 02 AS 03 IF OBJECT_ID('Service.Table') IS NOT NULL 04 DROP TABLE Service.Table; 06 CREATE TABLE Service.Table ( 07 Id int PRIMARY KEY CLUSTERED, 08 Name varchar(100); 09 ); 11 ... 12 GOThe following exception is raised when a user tries to invoke Procedure1, "Msg 262, Level 14, State 1, Procedure Procedure1, Line 5 CREATE TABLE permission denied in database 'DB1'." You should grant the user access to execute Procedure1, you must assign only the required permissions. What action should you do perform?（）A
Between lines 01 and 02, you should insert the WITH EXECUTE AS apos;dboapos; clause. B
Between lines 01 and 02, you should insert the EXECUTE AS USER = apos;dboapos; statement. C
You should give the user the ALTER permission on the Service schema D
You should give the CREATE TABLE permission and permit the user to drop the Service.Table table.
考题
单选题In which scenario will you use the Flashback Transaction Query feature？（）A
when you want to restore an important table that is dropped from the Recycle BinB
when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transactionC
when you want to restore a dropped user’s schemaD
when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period
考题
多选题A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLEcommand with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the twoeffects of this command（）AIt fails if any existing row violates the constraint.BIt does not validate the existing data in the table.CIt enables the constraint to be enforced at the end of each transaction.DIt prevents insert， update， and delete operations on the table while the constraint is in the process of beingenabled
考题
单选题You are attempting to create an Oracle-Managed Files （OMF） tablespace in a production database with the following statement and receive the following error message： CREATE TABLESPACE tbsl； ORA-02199： missing DATAFILE/TEMPFILE clause oerr ora 2199 02199， 00000， “missing DATAFILE/TEMPFILE clause” *Cause： A CREATE TABLESPACE statement has no DATAFILE/TEMPFTLE clause. *Action： specify DATAFILE/TEMPFILE clause. What is the corrective action to create the OMF based tablespace？（）A
AB
BC
CD
D
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