Ankush Singh·Follow4 min read·Jul 14, 2023--Today, we’re diving into the world of databases, specifically exploring three essential components: Catalogue, Schema, and Table. You can consider these as essential building blocks that help shape and structure your database.Understanding Catalogue, Schema, and TableLet’s first understand what these terms mean and then we’ll use a real-world analogy to make it more intuitive.Catalogue: This is the highest level of organization within a database. A catalogue holds one or more schemas and represents the complete set of schemas that a user or application can access. In essence, a catalogue is a database.Schema: Within a catalogue (or database), you have schemas. A schema is a collection of database objects, including tables, views, indexes, and procedures, grouped together. A schema is owned by a database user and shares the same name.Table: A table is the primary component of a schema. It’s a data structure that organizes information into rows...
