Mar 12, 2025 · In this guide, we will see a comprehensive cheat sheet for essential SQL operations, offering a practical reference for tasks ranging from database creation to advanced …

Jun 1, 2021 · Use the || operator to concatenate two strings: SELECT 'Hi ' || 'there!'; -- result: Hi there! ||. Use this trick for numbers: Some databases implement non-standard solutions for …

Aug 25, 2021 · This comprehensive cheat sheet is packed with syntax for different text and numeric functions, CASE WHEN statements, handling NULL, date and time types, …

May 9, 2024 · A review of all core SQL string functions, including their definitions and examples. SQL string functions manipulate string (including text and alphanumeric) values. Also known …

STRING EXTRACTION SUBSTRING (‘A’, start, length) Returns L characters of ‘A’ starting at S SUBSTRING('HELLOW',2,1) = 'E' SUBSTRING('HELLOW',5,10) = 'OW' …

MySQL String Functions Cheat Sheet ASCII(str) BIN(number) BIT_LENGTH(str) CHAR(number,... [USING charset_name]) CHAR_LENGTH(str) CHARACTER_LENGTH(str) …

A comprehensive SQL syntax cheat sheet for quick reference, covering essential commands, functions, operators, and concepts across various database systems. Resources

This page provides some handy SQL string functions that allow you to manipulate character strings more effectively. Section 1. Basic String Manipulation Functions. LENGTH – Returns …

Whether you need a quick reference for major SQL concepts before an interview, or you want to level-up your existing SQL skills, our SQL cheat sheet is the ideal starting point. Plus, we’ve …

Replace occurrences of a specified string REPLACE ('NoSql', 'No', 'My') = 'MySql' Reverse the characters in a string REVERSE ('MySql') = 'lqSyM' Return the specified rightmost number of …