Data set is the object that you can store data.
Answer:
Ok so what I can do for this question
It kinda depends on what you mean by special characters
Answer:
The correct answer to the following question will be Option D (Network-security protocols).
Explanation:
- Methods and procedures for protecting network data from unwanted information retrieval are managed by network security protocols.
- They are a network-style protocol that guarantees the protection and privacy of data in transit through a wireless connection. It describes procedures and techniques for protecting network data from every unauthorized effort to access or remove data material.
Therefore, Option D is the right answer.
Answer:
A query in a database is a request for information stored within a database management system (DBMS), which is the software program that maintains data.
SQL(Structured Query Language ( is a standard language for storing, manipulating, and retrieving data in database.
Five types of SQL queries are:
1) Data Definition Language (DDL).
used to define and modify the structure of a database.
2) Data Manipulation Language (DML).
used to manipulate (change) the data in the database.
3) Data Control Language(DCL).
used for access control and permission management for users in the database.
4) Transaction Control Language(TCL).
used for maintaining consistency of the database and for the management of transactions made by the DML commands.
5) Data Query Language (DQL).
used for performing queries on the data within schema objects.
