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What is the difference between Schema and Database?

Asked by Deborah , Last updated: Jul 16, 2020

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J. Alva

J. Alva

Answered Jun 23, 2020

Database refers to a collection of structured data or organized information in a regular structure, which is usually stored in a machine-readable format that can be accessed by a computer. On the other hand, the schema is a plan or a formal description of all the structures that make up a database. This usually contains the names of the table, the data type, the names of the columns of each table, plus other attributes. Schema is used to place all data into their right columns so that the database is formed can be easily accessed by users.

Database designers make use of schema as a design model when designing a database. When using schema, you should avoid altering some of the declarations you have made. In contrast, databases can be modified at any time to reflect on some important information that needs to be included. Aside from these little differences, both are very important since they help businesses to develop a structure where vital information can be kept.

 

E. James

E. James

Answered Jun 23, 2020

A system intended for simply organizing, storing, and retrieving large amounts of data is called a database. A database may include various levels of abstraction in its architecture. The external level defines how users view the data, and a single database may have multiple views. The internal level determines how information is stored, and there are different types of databases. These include analytical, data warehouses, and distributed databases.

Databases consist of tables, and they include rows and columns, much like spreadsheets in Excel. Each column corresponds with an element, while each row represents a single record. The Schema defines the composition and the organization of data. It explains how the information is given Schema demonstrates the construction of the tables, columns, names, and types.

The three kinds of Schema, which includes conceptual Schema, logical Schema, and physical Schema. Conceptual describes how concepts and relationships are exemplified. Logical categorizes show entities, attributes, and relations are mapped, and physical is a specific application of the logical Schema.

 

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