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.
Press sign up and put your information in there. Then it should automatically make your profile.
Answer:(A) usability
Explanation:
The term usability refers to the usage value of products, how much they can be used and their value after their use. So adding on these points usability helps to quantify the financial value of IT components.
Answer:
Disruptive innovation
Explanation:
Disruptive innovation are considered those new technologies, products or services whose application can greatly impact the manner in which an industry or a market functions. This is because the surpass the existing dominant product or technology. One example of a disruptive innovation is the internet. The internet altered the manner in which business was done by companies, but negatively affected those who refused to adopt it.
