Question

please write and try definitions on first query second form third report 4th class 5 object 6 abstraction .if it's a good ans then I will mark as brainlist​

Answer 1

Answer:

1.A query is a request for data or information from a database table or combination of tables. This data may be generated as results returned by Structured Query Language (SQL) or as pictorials, graphs or complex results, e.g., trend analyses from data-mining tools.

2.A form in a database is an object that you can use to create a user interface for a database application. A "bound" form is one that is directly connected to a data source such as a table or query, and can be used to enter, edit, or display data from that data source.

3.A database report is the formatted result of database queries and contains useful data for decision-making and analysis. Most good business applications contain a built-in reporting tool; this is simply a front-end interface that calls or runs back-end database queries that are formatted for easy application usage.

4.A class query is a tool to look up records that meet specified criteria. With class queries, you can create predefined lookups for your application.

5.A database object is any defined object in a database that is used to store or reference data. Anything which we make from create command is known as Database Object.It can be used to hold and manipulate the data. Some of the examples of database objects are : view, sequence, indexes, etc.

6.Data Abstraction refers to the process of hiding irrelevant details from the user. Database systems are made-up of complex data structures. To ease the user interaction with database, the developers hide internal irrelevant details from users. This process of hiding irrelevant details from user is called data abstraction.

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