The SQL cheat sheet provides you with the most commonly used SQL statements for your reference. You can download the SQL cheat sheet as follows: Download 3-page SQL cheat sheet in PDF format

2024年9月2日 · 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 data handling techniques.

SQL Cheat Sheet. The SELECT command retrieves data from a database. The INSERT command adds new records to a table. The UPDATE command is used to modify existing records in a table. The DELETE command removes records from a table. The CREATE command creates a new database and objects, such as a table, index, view, or stored procedure.

This SQL cheat sheet is designed to help you prepare for SQL interviews by providing quick access to essential SQL commands, syntax, and practical tips. By the end of this guide, you should have a solid foundation to tackle all SQL interview questions confidently.

SQL, or Structured Query Language, is a language to talk to databases. It allows you to select specific data and to build complex reports. Today, SQL is a universal language of data. It is used in practically all technologies that process data. ... JOIN (or explicitly INNER JOIN) returns rows that have matching values in both tables.

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 …

SQL Cheat Sheet: Fundamentals Performing calculations with SQL Display the whole table: SELECT FROM * table_name; Performing a single calculation: SELECT 1320+17; Performing multiple calculations: SELECT 1320+17, 1340-3, 7*191, 8022/6; Performing calculations with multiple numbers: SELECT 1*2*3, 1+2+3; Renaming results: SELECT 2*3 AS mult, 1+2 ...

INSERT INTO t(column_list) VALUES (value_list), (value_list), ....;

2021年3月25日 · A detailed article about SQL Cheat Sheet which includes keywords, data types, operators, functions, indexes, keys, and lots more. Download it in PDF format.

SQL Cheat Sheet In this guide, you’ll find a useful cheat sheet that documents some of the more commonly used elements of SQL, and even a few of the less common. Hopefully, it will help developers – both beginner and experienced level – become more proficient in their understanding of the SQL language.