Answer:
columns, rows
Explanation:
In Computer programming, a atabase schema refers to the logical design of the database while the database instance refers to a snapshot of the data found in a database at a given instant in time.
Basically, in database management, the term "schema" is used to denote a representation of data while the term "instance" is used to denote an instance of time.
A database schema is a structure which is typically used to represent the logical design of the database and as such represents how data are stored or organized and the relationships existing in a database management system. There are two (2) main categories of a database schema; physical database schema and logical database schema.
Also, a database instance is a snapshot of the data in the database at a given instant in time and as such represents an operational database by following the conditions, validation and constraints set for a database management system.
These data can be stored or organized in a database management system through the use of multiple-column record formats.
In a multiple-column record of a data file, columns represent different variables and rows represent different cases (respondents) such as experimental data, independent observations etc.
Answer:
The trigger code is given below
create trigger F1_Del
after delete on Friend
for each row
when exists (select * from Friend
where ID1 = Old.ID2 and ID2 = Old.ID1)
begin
delete from Friend
where (ID1 = Old.ID2 and ID2 = Old.ID1);
end
create trigger F1_Insert
after insert on Friend
for each row
when not exists (select * from Friend
where ID1 = New.ID2 and ID2 = New.ID1)
begin
insert into Friend values (New.ID2, New.ID1);
end
Answer:
Windows button = You can see a Start Menu
Task view = You can view your Tasks
Search Box = You can search any app you want in an instance
Answer:
Msinfo32.exe, cmd
Explanation:
The msinfo.exe is a tool that gathers information concerning your computer system and displays a comprehensive view of your system components, hardware, and software environment, that can later be use to diagnose computer issues.
Command Prompt is an interpreter application for command line which is available in nearly all Windows operating systems. It is utilized for executing entered commands.
The Match up of the levels of information with the content of the information that Matt has shared are:
The nice to know - Ted makes an announcement of the total annual profit of the company.
The should know - Ted gives his team a brief of the email etiquette for them to follow.
The must know - Ted informs his team about the office work hours and dress code.
<h3>What do you mean by information?</h3>
Information is known to be data or any form of stimuli that connote a given meaning in some context to its receiver.
Hence, The Match up of the levels of information with the content of the information that Matt has shared are:
The nice to know - Ted makes an announcement of the total annual profit of the company.
The should know - Ted gives his team a brief of the email etiquette for them to follow.
The must know - Ted informs his team about the office work hours and dress code.
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