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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. Querying data from a table. Query data in columns c1, c2 from a table. SELECT c1, c2 FROM t; Code language: SQL (Structured Query Language) (sql)
Fetch names of cities that start with a 'P' or end with an 's': SELECT. name FROM city WHERE name LIKE 'P%' OR ame LIKE '%s ; Fetch names of cities that start with any letter followed by 'ublin' (like Dublin in Ireland or Lublin in Poland): SELECT name FROM city WH ER name LIK '_ubli ; OTHER OPERATORS
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 get the most from this SQL query cheat sheet.
17 sie 2023 · We’ll soon show you 20 basic SQL query examples to start talking with the database. All these queries are taught in our SQL Basics course. This course will give you even more structure, examples, and challenges to solve.
Fetch names of products that start with a 'P' or end with an 's': SELECT name FROM product WHERE name LIKE 'P% ' OR name LIKE '%s'; Fetch names of products that start with any letter followed by 'rain' (like 'train' or 'grain'): SELECT name FROM product WHERE name LIKE '_rain'; Fetch names of products with non-null prices: SELECT. name FROM product
2 wrz 2024 · SQL Cheat Sheet PDF. Create a Database in SQL. Explore this section to get hands on all the cheat sheet that help you in order to create a database in SQL. 1. CREATE DATABASE: Create a New Database. CREATE DATABASE company; This command creates a new database named "company." 2. USE: Select a Specific Database to Work With. USE company;
END AS activity_levels FROM users; CHECK Adds a constraint that limits the value which can be added to a column. Example 1 (MySQL): Makes sure any users added to the users table are 18 or over. CREATE TABLE users (first_name varchar(255), age int, CHECK (age>=18)); Example 2 (MySQL): Adds a check after the table has already been created. ALTER ...
