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单选题
A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 > 1000 WITH CHECK OPTIONWhat is the effect of the CHECK OPTION clause?（）
A
Any row inserted or updated through view V1 must meet the condition that col4 > 1000.
B
From now on, any row inserted or updated in table T1 must meet the condition that col4 > 1000, but existing rows in the table are not checked.
C
At view creation, DB2 will check the data in table T1, and if in any row doesn't meet the condition col4 > 1000, the view creation will be rejected.
D
Any row inserted or updated through view V1 must meet the condition that col4 > 1000 and no row in table T1 can be updated such that col4 <= 1000, but new rows in the table can be inserted with col4 <= 1000.
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更多 “单选题A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 1000 WITH CHECK OPTIONWhat is the effect of the CHECK OPTION clause?（）A Any row inserted or updated through view V1 must meet the condition that col4 1000.B From now on, any row inserted or updated in table T1 must meet the condition that col4 1000, but existing rows in the table are not checked.C At view creation, DB2 will check the data in table T1, and if in any row doesn't meet the condition col4 1000, the view creation will be rejected.D Any row inserted or updated through view V1 must meet the condition that col4 1000 and no row in table T1 can be updated such that col4 = 1000, but new rows in the table can be inserted with col4 = 1000.” 相关考题
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You are granted the CREATE VIEW privilege. What does this allow you to do? ()
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考题
You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?（）A、Use the DESCRIBE command on the EMP_DEPT_VU view.B、Use the DEFINE VIEW command on the EMP_DEPT_VU view.C、Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
考题
Choose the correct order to package and upload data for an incident to Oracle Support.（） A、 Schedule，create new package，view manifest，view contentsB、 Create new package，view manifest，view contents，scheduleC、 Schedule，create new package，view contents，view manifestD、 Create new package，view contents，view manifest，scheduleE、 None of the above.
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You are implementing an ASP. NET MVC 2 Web application. You add a controller named Company Controller. You need to modify the application to handle the URL path /company/info. Which two actions should you perform？（）A、Add the following method to the CompanyController class. Function Info（） As ActionResult Return View（） End FunctionB、Add the following method to the CompanyController class. Function Company_Info（） As ActionResult Return View（） End FunctionC、Right-click the Views folder， and select View from the Add submenu to create the view for the action.D、Right-click inside the action method in the CompanyController class， and select Add View to create a view for the action
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单选题View the Exhibit and examine the structure of the EMP table. You executed the following command to add a primary key to the EMP table： ALTER TABLE emp ADD CONSTRAINT emp_id_pk PRIMARY KEY （emp_id） USING INDEX emp_id_idx； Which statement is true regarding the effect of the command？（）A
The PRIMARY KEY is created along with a new index.B
The PRIMARY KEY is created and it would use an existing unique index.C
The PRIMARY KEY would be created in a disabled state because it is using an existing index.D
The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.
考题
单选题tony would like to make it easier for users of the video application to enter new doc using the “video form”, he’d like users to be able to create new “video” doc form within the view. Which one of the following should tony so to build this interface?（）A
create a view action that has the following formula：@command（[create]；”video”）B
create a form action that has the following formula：@command（[compose]；”video”）C
create a view action that has the following formula：@command（[compose]；”video”）D
create a database action that has the following formula：@command（[compose]；”video”）
考题
单选题Given the following DDL and INSERT statements: CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 10; CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION; CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 100; INSERT INTO v1 VALUES(5); INSERT INTO v2 VALUES(5); INSERT INTO v3 VALUES(20); INSERT INTO v3 VALUES(100); How many of these INSERT statements will be successful?（）A
0B
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考题
单选题Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES,DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eliminate the need to qualify the view with the name MARY .EMP_DEP_LOC_VU each time the view is referenced? （）A
Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.B
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.C
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.D
Scott cannot create a synonym because synonyms can be created only for tables.E
Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.
考题
单选题You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was create.) How do you obtain the definition of the view?（）A
Use the DESCRIBE command in the EMP_DEPT VU view.B
Use the DEFINE VIEW command on the EMP_DEPT VU view.C
Use the DESCRIBE VIEW command on the EMP_DEPT VU view.D
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.E
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.F
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
考题
多选题Which two statements about views are true?（）AA view can be created as read only.BA view can be created as a join on two or more tables.CA view cannot have an ORDER BY clause in the SELECT statement.DA view cannot be created with a GROUP BY clause in the SELECT statement.EA view must have aliases defined for the column names in the SELECT statement.
考题
单选题The HR user creates a view with this command： SQL CREATE VIEW emp_v AS SELECT * FROM scott.emp； Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user. Which statement is true in this scenario？（）A
HR can grant the privilege to JIM but without GRANT OPTION.B
HR can grant the privilege to JIM because HR is the owner of the view.C
SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.D
HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.
考题
单选题Choose the correct order to package and upload data for an incident to Oracle Support.（）A
Schedule，create new package，view manifest，view contentsB
Create new package，view manifest，view contents，scheduleC
Schedule，create new package，view contents，view manifestD
Create new package，view contents，view manifest，scheduleE
None of the above.
考题
单选题You are granted the CREATE VIEW privilege. What does this allow you to do?（）A
Create a table view.B
Create a view in any schema.C
Create a view in your schema.D
Create a sequence view in any schema.E
Create a view that is accessible by everyone.F
Create a view only of it is based on tables that you created.
考题
单选题A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 1000 ; When will DB2 access the data from table T1 for view V1?（）A
When view V1 is createdB
Each time the REFRESH VIEW v1 statement is executedC
Each time an SQL statement is executed against view V1D
Only the first time an SQL statement is executed against view V1
考题
单选题You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?（）A
Use the DESCRIBE command on the EMP_DEPT_VU view.B
Use the DEFINE VIEW command on the EMP_DEPT_VU view.C
Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.D
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.E
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.F
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
考题
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.
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