More string functions in SQLite
PostgreSQL- CONCAT Function - GeeksforGeeks
PostgreSQL translate function
PostgreSQL Substring - Extracting a substring from a String
old postgres needs 'right' and 'left' string functions - provided here · Issue #57 · OHDSI/AchillesWeb · GitHub
PostgreSQL SUBSTRING() Function with Regex Example
PostgreSQL SUBSTRING() function - w3resource
PostgreSQL RIGHT() function - w3resource
SQL String functions Examples for SQL Server, Oracle and PostgreSQL
PostgreSQL CREATE FUNCTION By Practical Examples
9.1第九章 - PostgreSQL wiki
Working with Regular Expressions in PostgreSQL
PostgreSQL Substring Function
PostgreSQL String Functions | Basics and Examples
PostgreSQL String Functions | Basics and Examples
Working with Date and Time Functions in PostgreSQL
PostgreSQL Cast Function 101: How to Convert One Data Type to Another | Hevo
PostgreSQL STRPOS() function - w3resource
PostgreSQL OVERLAY() function - w3resource
An Overview of Mathematical & String Functions in PostgreSQL
PostgreSQL - User Defined Functions - GeeksforGeeks
PostgreSQL STRING_AGG() Function By Practical Examples
SQL String functions Examples for SQL Server, Oracle and PostgreSQL
PostgreSQL Substring and Other SQL String Functions - Udemy Blog
sql - Create a function that accepts a string and returns multiple rows - Stack Overflow
