Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
A data dictionary<span> is a collection of descriptions of </span>data<span> objects or items in a </span>data <span>model for the benefit of programmers and others who need to refer to them. The first step in analyzing a system of objects with which users interact is to identify each object and its relationship to other objects.</span>
Answer:
Router. Routers help transmit packets to their destinations by charting a path through the sea of interconnected networking devices using different network topologies. ... This is needed because LANs and WANs use different network protocols. Such routers are known as border routers.
Answer:
The answer to this question is "Document management software".
Explanation:
Document management software is software that provides a facility to stores data in an organized manner. It manages and tracks its electronic documents.
- This software controls many fields, that are Storage location, Security and access control, Version control, etc.
- It is a common component, that is found in an Enterprise Content Management environment, that uses this software.