What is the difference between a database schema and a database state example?

Question

Database Schema is the overall Design of the Database. It is the skeleton structure that represents the logical view of the entire database. It tells how the data is organized and how the relations among them are associated. Database State: Refers to the content of a database at a moment in time.

What is database state example?

Database state, in database technology the set of stored data. Entering, modifying, or deleting information changes the database state. *Actual data stored in a particular moment in time. See also State transition system and Finite-state machine models.

What is an example of a database schema?

In MySQL, schema is synonymous with database. You can substitute the keyword SCHEMA for DATABASE in MySQL SQL syntax. Some other database products draw a distinction. For example, in the Oracle Database product, a schema represents only a part of a database: the tables and other objects are owned by a single user.

What is different between schema and database?

The database is a collection of schema, records, and constraints for the tables. On the other hand, a schema contains the structure of tables, attributes, their types, constraints, and how they relate to other tables. The DDL statement is used to generate and modify the schema.

What is the difference between schema and instance explain with example?

The database schema defines the variable declarations in tables and the values of these variables at a specific time are called the instance of the database. For example, assume that there are 100 records in the employee table of the database. So, the instance of the database has 100 records.

Expert · Answer