Control <span>is the process of causing a system variable to conform to some desired value. Options Control feedback Design none of the above</span>
Answer:
1. C.operating system
2. A.applications
Explanation:
1. The Iaas is the infrastructure as a service, and storage, server, and network are the infrastructures. However, the Operating System is the platform, and hence it is the correct option for the first blank. We need to understand the exact meaning of the IaaS, PaaS and the SaaS as well as MaaS, to better understand cloud computing.
2. In the second case, we have been asked about the option that is not being covered by the PaaS, and Paas stands for the platform as a service. And the interface, storage, and virtualization is the platform whereas the Applications is an example of software. And it is being managed by SaaS, Hence, the correct option is A. Applications.
The user's browser renders the html code as a visual web page
Answer:
The Update statement in the DML is used for changing existing data in a table.
Explanation:
Their are following Sql statement in the DML.
Insert
This SQL statement is used for inserting data into the table.
select
This SQL statement is used for retrieving data from database
update
This SQL statement is used for updating data in a table.
delete
This SQL statement is used for delete data from database .
The "UPDATE" SQL statement in DML is used for Modify the data in the existing table .
Following are the syntax of Update SQL query
Update tablename
set column1=value1,column2=value2............column N=valueN
Where condition;
Example :Suppose we have student table and (rollno,name,age and add) are the field for that table we have to change the address of rollno 105
Then we use update query like that
UPDATE STUDENT
SET add='kalam nagar'
where rollno=105;
