👉 A schema is a set of rules, procedures, or guidelines that govern how data should be organized and manipulated. These rules can vary depending on the specific context and problem domain, but they usually include several key concepts:
1.
Data Types
: A schema defines what types of data are allowed to be stored in the database. For example, a schema might specify that all text data should be stored as strings.
2.
Fields
: Each field is a specific piece of information about a particular object