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
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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You need to perform these tasks: 1. Create and assign a MANAGER role to Blake and Clark 2. Grant CREATE TABLE and CREATE VIEW privileges to Blake and Clark Which set of SQL statements achieves the desired results?（）A、CREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;B、CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;C、GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***
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单选题You need to perform these tasks: 1. Create and assign a MANAGER role to Blake and Clark 2. Grant CREATE TABLE and CREATE VIEW privileges to Blake and Clark Which set of SQL statements achieves the desired results? （）ACREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;BCREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;CGRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***
单选题Examine the statement:Create synonym emp for hr. employees;What happens when you issue the statement?（）AAn error is generated.BYou will have two identical tables in the HR schema with different names.CYou create a table called employees in the HR schema based on you EMP table.DYou create an alternative name for the employees table in the HR schema in your own schema.
单选题Your company uses a SQL Server 2005 database. Customer data from your trading partners is imported into the Customers table every night. You need to ensure that the customer record is updated if it already exists in the Customers table. If the record does not exist, the data needs to be inserted into the Customers table. What should you do?（）A Create a FOR trigger. B Create an INSTEAD OF trigger. C Create an AFTER trigger. D Create a DDL trigger.
单选题You need to perform these tasks: 1. Create and assign a MANAGER role to Blake and Clark 2. Grant CREATE TABLE and CREATE VIEW privileges to Blake and Clark Which set of SQL statements achieves the desired results?（）ACREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;BCREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;CGRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***
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?（）Atable Btransactional trigger Cstored procedure DFROM clause query
单选题You want to create a template to be used as a standard for all company reports, which are many different styles. How many different templates must you have if you plan to use multiple report styles?（）ATwo BOne COne per report styleDOne per report style + one more
单选题You want to create a temporary table while executing a procedure in a form. Which statement is true?（）AYou cannot create a table form within Forms. BYou must use the FORMS_DDL built-in to create the table. CYou must use the DBMS_DYNAMIC_DDL package to create the table. DYou can write the CREATE TABLE statement directly into the trigger.
单选题You are designing an application for Certkiller .com 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
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?（）ABetween lines 01 and 02, you should insert the WITH EXECUTE AS apos;dboapos; clause. BBetween lines 01 and 02, you should insert the EXECUTE AS USER = apos;dboapos; statement. CYou should give the user the ALTER permission on the Service schema DYou should give the CREATE TABLE permission and permit the user to drop the Service.Table table.
单选题You design a Business Intelligence （BI） solution by using SQL Server 2008. You design a SQL Server 2008 Analysis Services （SSAS） solution. Customer data is stored in the tables named CustomerDetails and CustomerContact. The solution uses the following two data sources from two different servers： ·Contoso that accesses the CustomerDetails table ·ContosoCRM that accesses the CustomerContact table You plan to create a dimension named DimCustomer to analyze customer data. You need to ensure that the DimCustomer dimension represents the tables as a snowflake schema to include attributes from the two tables. What should you do？（）A Create a data source view named DsvContoso that is associated with the two data sources and add the tables to the data source view.B Create a data source view named DsvContoso that is associated with the two data sources and create a named query in the data source view to merge the tables.C Create a data source view named DsvCustomer that is associated with the Contoso data source and add the CustomerDetails table to the data source view.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and add the CustomerContact table to the data source view.D Create a data source view named DsvCustomer that is associated with the Contoso data source and create a named query in the data source view to select data from the CustomerDetails table.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and create a named query in the data source view to select data from the CustomerContact table.