What is multiple schema?

Question

Using Multiple Private Schemas. Using multiple private schemas is an effective way of separating database users from one another when sensitive information is involved. Typically a user is granted access to only one schema and its contents, thus providing database security at the schema level.

Can you have multiple schemas?

Here, a database can have multiple schemas (or “schemata,” if you're feeling fancy). Each one contains all the objects created by a specific database user. Those objects may include tables, views, synonyms, and more. Some objects cannot be included in a schema, such as users, contexts, roles, and directory objects.

What are the 3 types of schema?

The three-schema approach provides for three types of schemas with schema techniques based on formal language descriptions:External schema for user views.Conceptual schema integrates external schemata.Internal schema that defines physical storage structures.

What do you mean by schema?

A schema is a cognitive framework or concept that helps organize and interpret information. Schemas can be useful because they allow us to take shortcuts in interpreting the vast amount of information that is available in our environment.

What is schema and types of schema?

Schema is the overall description of the database. The basic structure of how the data will be stored in the database is called schema. Schema is of three types: Logical Schema, Physical Schema and view Schema.

Expert · Answer