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The correct answer is: Summary
<span>If you only selected fields from a single table in the first screen, then when you click the “Next >” button to continue, you will only need to provide the query with a name and then click the “Finish” button to finish creating the query. If, however, you picked data fields from two or more related tables, then when you click the “Next >” button, you will instead view a second screen which asks if you would like a “Detail” or “Summary” query. You can select the option button for the type of query that you wish to create. If you select “Summary,” then you will be able to click the “Summary Options…” button to open the “Summary Options” dialog box. In this dialog box, you can select what type of summary to perform over a selected field. Make your selections, and then click the “OK” button to return to the “Simple Query Wizard.”</span>
Select summary to show only results of aggregate functions.
Select the aggregate function and the field name of the numeric field in the list box. You can enter as many aggregate functions as you want, one in each row of controls.
Aggregate function
Select the aggregate function.
Field name
Select the numeric field name.
+
Appends a new row of controls.
-
Removes the last row of controls.
Answer:
B.
Explanation:
Client-server application is a relationship between a client and a server.
In this relationship, the client (a program) requests a service from the server (the other resource).
The statement that is not true about the client-server applications is they include smart phones, tablets, iPads, laptops, desktop computers.
Rest of the statements concerning client-server relationship are true.
Therefore, option B is the answer.
Answer:
The benefits of having the operational data ware-house are as follows:
- The single operational warehouse typically support various tactical and the strategical decisions.
- It is subject oriented,volatile and integrated data warehousing in the system.
- The warehousing mainly allow the system to process the large complex data in more efficient manner.
- The operational warehouse are basically implemented for many business purposes.
The challenges of the operational warehouse repository are as follows:
- In the operational data warehouse there is large number of user expectations.
- The cost is the main challenge while designing the operational data warehousing as, it required efficient system in low cost.
- Choosing the efficient and correct type of the warehouse is the big challenge.
Answer:
Privacy
Explanation:
In the privacy control access mechanism it control the data of the personal information.The model P-RBAC that is the framework of key component that extended the RBAC model that gives the complex policy of privacy such as obligations.In the P-RBAC we defined the privacy awareness permission.
The privacy control access mechanism giving the right to control the personal information.