Betrand Meyer developed the ______ programming language which is not type-safe because it violates the law of contravariance.

Computers and Technology

1 answer:

frozen [14]2 years ago

4 0

Answer:Eiffel programming

Explanation: Eiffel programming language was base on object-oriented pattern and developed by Betrand Meyer in 1986.This helps in creating the software modules that can be used again and is reliable as well.

This language was not considered as type safe because it could execute the operation on any particular object which is considered invalid on it.This language lacks about ensuring the program that are written are well defined or not.

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Fill in the blank: Every database has its own formatting, which can cause the data to seem inconsistent. Data analysts use the _

dmitriy555 [2]

The tool used by data analysts to create a clean and consistent visual appearance for their spreadsheets is called <u>clear formats</u>.

A database refers to an organized or structured collection of data that is typically stored on a computer system and it can be accessed in various ways. Also, each database has a unique formatting and this may result in data inconsistency.

In Computer science, a clean data is essential in obtaining the following:

Data consistency

Data integrity

Reliable solutions and decisions.

Furthermore, spreadsheets are designed and developed with all kinds of tools that can be used to produce a clean data that are consistent and reliable for analysis.

In this context, clear formats is a kind of tool that is used by data analysts to create a clean and consistent visual appearance for their spreadsheets.

Read more on database here: brainly.com/question/15334693

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1 year ago

The first query is computationally less expensive than the second query. (Assume no indexes exist on release_date.) Query 1: SEL

sdas [7]

Answer:

false

Explanation:

The term 'computationally expensive' means that a given mathematical function, code or an algorithm has high computational complexity. In addition, the mathematical function or algorithm will require several steps and procedures to be completed. Based on this, the statement made in this question is not true.

7 0

2 years ago

Ask the user for five-coordinate pairs. Store each pair as a tuple, and store all the pairs in a list. Print the slope between a

Margaret [11]

Answer:

y=(1/2) x+3

Explanation: