Answer:
applications
Explanation:
In an information system, applications or software are indispensable. This is because the entire data/info processing pipeline running on daily basis have been digitized. Users are heavily rely on the applications to gain and store new data, to manage and process the data and to deliver the necessary output. The applications enable the entire data processing work become more efficient, systematic and also more secure.
Answer:
A primary key is a special relational database table column (or combination of columns) designated to uniquely identify each table record. A primary key is used as a unique identifier to quickly parse data within the table. A table cannot have more than one primary key.
Primary Key.
Candidate Key.
Alternate Key.
Super Key.
Composite Key.
Foreign Key.
Unique Key.
In the relational model of databases, a primary key is a specific choice of a minimal set of attributes that uniquely specify a tuple in a relation. Informally, a primary key is "which attributes identify a record," and in simple cases constitute a single attribute: a unique ID.
Explanation:
B. When you copy text it remains in its original location and places it on the clipboard. Cutting text removes it from its original location and places it on the clipboard
the answer should be the letter a