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2 years ago

Database queries is an example of

Computers and Technology

1 answer:

storchak [24]2 years ago

8 0

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.

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LenaWriter [7]

Answer:

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Explanation:

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3 years ago

Alex's woodworking shop is trying to design a web page with Cascading Style Sheets (CSS). Alex would like create the new design

guajiro [1.7K]

Answer:

1. C) Embedded Style

2. C) User Agent Style

Explanation:

1. Alex will use Embedded style to create styles that apply only to the HTML document that the style was created. With Embedded styling; the rules can be embedded into the HTML document using the <style> element.

2. Since Alex has forgotten to give any style for all of his pages, the style that will be applied to his pages is User Agent Style. User Agent Style is the default style of a browser. The browser has a basic style sheet that gives a default style to any document and this style is called User Agent.

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3 years ago

Which technology can allow a single ground-based telescope to achieve images as sharp as those from the Hubble Space Telescope?

Ganezh [65]

Answer:

The correct answer to the following question will be "Adaptive Optics".

Explanation:

AO (Adaptive Optics) is a technique used to enhance optical system performance by reducing the impact of incoming gravitational wave distortions by compressing a mirror to compensate for the distortion.
It operates by calculating and compensating for defects in a wave-front with a system that corrects these errors as a deformable mirror or even a liquid crystal collection.

It is a technique that can make it possible for a single ground-based telescope to get images as clear as that of the Hubble Space Telescope.

Certain methods can achieve power resolution that exceeds the limit set by atmospheric distortion, for example, Aperture synthesis, Lucky imaging, and Speckle imaging.

Therefore, Adaptive Optics is the right answer.

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3 years ago

Free points if you name undertale character start with T

wlad13 [49]

Answer:

Toriel.

Explanation:

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3 years ago

Read 2 more answers

Mike needs to write the primary objectives of a project in a project plan. In which section should he write them?

Advocard [28]

Mike needs to write the primary objectives of a project in a project plan. He should write this under the SCOPE section of the project plan.

Explanation:

Project scope is the part of project planning that involves determining and documenting a list of specific project goals, deliverables, features, functions, tasks, deadlines, and ultimately costs.
It is what needs to be achieved and the work that must be done to deliver a project.
The Scope of Work (SOW) is the area in an agreement where the work to be performed is described.
The SOW should contain any milestones, reports, deliverables, and end products that are expected to be provided by the performing party. The SOW should also contain a time line for all deliverables.
The scope is simply all the work that needs to be done in order to achieve a projects objectives.
A project scope, or project scope statement, is a tool used to describe the major deliverables of a project including the key milestones, high level requirements, assumptions, and constraints.

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3 years ago