Jun 1, 2021 · NUMERIC FUNCTIONS. BASIC OPERATIONS. Use +, -, *, / to do some basic math. To get the number of seconds in a week: SELECT 60 * 60 * 24 * 7; -- result: 604800. CASTING. From time to time, you need to change the type of a number. The . CAST() function is there to help you out. It lets you change the type of value to almost anything (integer,

This page offers printable SQL Cheat Sheet with the most commonly used SQL statements for your convenience.

The ALL command is used to compare a value to all values returned by a subquery. It can be used with comparison operators like =, >, <, etc. The COUNT command counts the number of rows or non-null values in a specified column. The SUM command is used to calculate the sum of all values in a specified column.

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 broken it down into 11 essential SQL topics to help you …

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, INTERVALs, and aggregate functions. It also features a troubleshooting section to help you navigate through common issues seamlessly.

Mar 25, 2021 · You can read this tutorial or download the SQL Cheat Sheet pdf for offline use. You can also edit PDF online. Download SQL Cheat Sheet PDF 🔽📝. What is a Database? Before we get started with SQL Cheat Sheet, we need to understand what …

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In this example we find all regions in table table_name that do not exist in table_regions, a useful data integrity check. Sub-queries can also be used in the SELECT clause. In this case only one row of data should be returned by the sub-query e.g. MAX(salary) alongside. Create a …

Types of Functions • Numeric Functions – Single value functions – List value functions – Group Value Functions • Character Functions • Date functions

Learn and remember key functions and concepts of SQL & Databases with this handy quick reference guide (+ PDF) to the fundamentals of SQL.