Consistency and Data Type Behavior

Learn about data type behavior and explore the details of indexing in PostgreSQL.

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Data type behavior

A key aspect of PostgreSQL data types lies in their behavior. Comparable to an object-oriented system, PostgreSQL implements functions and operator polymorphism, allowing for the dispatching of code at runtime depending on the types of arguments.

The data type of a literal

If we take a closer look at a very simple SQL query, we can see lots happening under the hood:

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