Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.
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.
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.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.
Scott cannot create a synonym because synonyms can be created only for tables.
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.
第1题:
Derek has created a view in the products.nsf database. Derek wants the markup column in the view to display the selling price of the cost. He wants this value to display in currency. Which one of the following should derekl do? ()
第2题:
Derek has created a view in the sales.nsf db. Derek wants the sales value column in the view to be punctuated to display two decimal places . which one of the following should he do?()
第3题:
tommy has created a sales view in his sales.nsf database. Tommy wants negative numbers in the sales number column in the view parenthesis. which one of the following should tommy do?()
第4题:
Which two statements are true regarding views?()
第5题:
The woman has bought a few things for the man.
The woman has bought a lot of things for Mary.
The woman has bought nothing for Mary.
The woman has bought a few things for herself.
第6题:
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.
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.
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.
Scott cannot create a synonym because synonyms can be created only for tables.
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.
第7题:
A subquery that defines a view cannot include the GROUP BY clause
A view that is created with the subquery having the DISTINCT keyword can be updated
A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated
A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table
第8题:
Use the DESCRIBE command in the EMP_DEPT VU view.
Use the DEFINE VIEW command on the EMP_DEPT VU view.
Use the DESCRIBE VIEW command on the EMP_DEPT VU view.
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
第9题:
creates a view with constraints
creates a view even if the underlying parent table has constraints
creates a view in another schema even if you don't have privileges
creates a view regardless of whether or not the base tables exist
第10题:
To criticise the famous.
To express a different point of view.
To sympathise with photographers.
第11题:
Which two statements about views are true? ()
第12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? ()
第13题:
Which command will create a group called ’delivery’ and set the administrators to ’john’ and ’mary’?()
第14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?()
第15题:
significant
signified
sign
index
第16题:
CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu
CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);
CREATE PUBLIC SYNONYM EDL_VU FOR emp _dept_loc_vu;
CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;
CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu
CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
第17题:
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.
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.
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.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.
Scott cannot create a synonym because synonyms can be created only for tables.
Scott cannot create any synonym for Mary’s view. Mary should create a private ynonym for the view and grant SELECT privilege on that synonym to Scott.
第18题:
A view can be created as read only.
A view can be created as a join on two or more tables.
A view cannot have an ORDER BY clause in the SELECT statement.
A view cannot be created with a GROUP BY clause in the SELECT statement.
A view must have aliases defined for the column names in the SELECT statement.
第19题:
Use the DESCRIBE command on the EMP_DEPT_VU view.
Use the DEFINE VIEW command on the EMP_DEPT_VU view.
Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.