Understanding data types in PostgreSQL - PostgreSQL Tutorial #5 скачать в хорошем качестве

Understanding data types in PostgreSQL - PostgreSQL Tutorial #5

Looking to master PostgreSQL data types? This step-by-step tutorial covers everything you need to know to get started with defining and using data types in your PostgreSQL database. In this tutorial, you'll learn about the fundamental data types in PostgreSQL — what they are, how they work, and when to use them. We cover common types like SMALLINT, INTEGER, BIGINT, VARCHAR, TEXT, BOOLEAN, ENUM, and TIMESTAMP. Whether you're new to databases or just need a refresher, this video breaks down each data type with clear examples to help you design your database efficiently. 00:00 Introduction 00:22 What is a Data Type — Basic overview 01:15 SMALLINT — Small integer numbers 02:24 INTEGER — Standard integer numbers 03:40 BIGINT — Large integer numbers 05:00 VARCHAR — Variable-length text 06:38 TEXT — Large text data 07:57 BOOLEAN — True or false values 09:00 ENUM — Predefined set of values 11:21 TIMESTAMP — Date and time data 12:24 Summary — Key takeaways