Mastering SQL - PostgreSQL: Exploring Predefined Functions
PostgreSQL provides a powerful set of predefined functions to enhance the speed and efficiency of your queries. In this video, we will dive into the most commonly used PostgreSQL functions for string manipulation, date handling, numeric operations, and more.
What this video covers:
✔️ Introduction to PostgreSQL predefined functions
✔️ Categories of functions: String, Date, Numeric, and more
✔️ How to explore and use functions in PostgreSQL
✔️ Step-by-step guide to using string manipulation functions like substring
✔️ Navigating PostgreSQL documentation to find function details
✔️ Best practices for incorporating predefined functions in your SQL queries
💡 Whether you're a beginner or an experienced PostgreSQL user, this tutorial will help you leverage the power of predefined functions for efficient query writing.
Timestamps
0:00 - Introduction to Predefined Functions in PostgreSQL
0:08 - Categories of Predefined Functions: String, Date, Numeric, Type Conversion
0:22 - Exploring functions in PostgreSQL: How to list functions
0:40 - Searching for string manipulation functions (e.g., substring)
2:00 - PostgreSQL documentation: How to find function details
2:36 - Exploring string functions like substring
4:04 - Using substring with different syntax styles
5:00 - Best practices for integrating functions in your queries
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