Answer:
b) A listing of each driver as well as the number of deliveries that he or she has made
Explanation:
SQL which stands for Structured Query Language. and an SQL statements are used in performing tasks such as to update data on a database, or retrieve data from a database. Some of the popular relational database management systems that use SQL are: Sybase, Oracle, Microsoft SQL Server, Ingres, Access, etc.
Answer:
<u>Sock puppet</u>
Explanation:
A sock puppet, a reference to a puppet created by placing a sock over one's hand, is a misleading or fake online identity created to promote a particular point of view, often in praise of a firm, organization, product, or individual; to manipulate public opinion or to argue, bully or review products. Regardless of the purpose it was created for, sock puppets are rarely welcome in online communities and forums.
Answer:
First we understand what is hash function.A hash function is mostly used in Hashmaps. It maps different keys to a set of values.There may occur a case when we have same key but different values.This case is called collision.So we have to use different collision handling techniques that are open addressing and separate chaining.
A perfect hash function maps key-value pair such that there are no collisions.
Answer:
D. Wide angle
Explanation:
Wide angle camera is specifcally designed to shrinks the image using the lens with smaller focal length compared to average camera.This type of camera is commonly used to capture wider area of scenery. Or to give an impression that the objects that near the camera seems larger than they actually are.