What is a database schema?
A database schema is the structure that defines how data is organized in a database, including tables, fields, and relationships.
Can you explain the different types of database schemas?
Sure! There are several types, including star schema, snowflake schema, and galaxy schema, each serving different purposes.
What is the difference between a logical and physical schema?
A logical schema defines the structure of the data without considering how it will be stored, while a physical schema describes how the data is actually stored in the database.
How do I create a database schema?
You can create a database schema using SQL commands like CREATE TABLE, defining the fields and their data types.
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