Answer:
Advantages of hardware:
Physical existence
Multitasking
Speedy
Disadvantages:
Costly as different equipment cost differently
Time consuming
requires space
Privacy issues
Explanation:
Advantages of Software:
Less costly
Improved privacy controls
Requires no space
Disadvantages:
Does not have physical existence
hacking and cyber attacks may steal important information
Regular updates required
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;
Answer:
/etc/timezone
Explanation:
Debian based Linux distribution is a free distribution software and an operating system. It is composed of a open source and free source software. It is one of the most popular distributions.
A computer file name is a unique system of identifying the computer stored file in the file system. The names of the different file system have different formats or extensions in the file name and imposed different file restrictions.
In the context, the full path and the file name of a file that displays a time zone settings on a Debian Linux distribution is " ../etc/timezone".
