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SQL Tutorial. Tutorials: Learn SQL step by step. 0 SELECT basics. Some simple queries to get you started. 1 SELECT name. Some pattern matching queries. 2 SELECT from World. In which we query the World country profile table. 3 SELECT from Nobel. Additional practice of the basic features using a table of Nobel Prize winners. 4 SELECT within SELECT.
- SELECT Names
Pattern Matching Strings. This tutorial uses the LIKE...
- SELECT Basics
world; name continent area population gdp; Afghanistan:...
- 4 Select Within Select
Learn how to use the SELECT command within another SELECT...
- Another JOIN Tutorial
This tutorial introduces the notion of a join. The database...
- 8+ Numeric Examples
SELECT response FROM nss WHERE question='Q01' AND...
- Select From World
A tutorial on how to use the SELECT statement in SQL to...
- The JOIN Operation
To JOIN game with eteam you could use either game JOIN eteam...
- Self JOIN
The query shown gives the number of routes that visit either...
- SELECT Names
Tutorial Quizzes. There are multiple choice quizzes associated with each of the tutorials. Use these to test your understanding of the material you have been studying. 1. SELECT Quiz. 2. BBC QUIZ. 3. Nobel Quiz.
Self JOIN. SELECT basics. Some simple queries to get you started. SELECT population FROM world. WHERE name = 'Germany' SELECT name, gdp / population FROM world. WHERE area > 5000000. SELECT name, population FROM world. WHERE name IN ('Ireland', 'Iceland', 'Denmark'); SELECT name, area FROM world.
1 SELECT. How to read the data from a database. 2 CREATE and DROP. How to create tables, indexes, views and other things. How to get rid of them. 3 INSERT and DELETE. How to put records into a table, change them and how to take them out again. 4 DATE and TIME. How to work with dates; adding, subtracting and formatting. 5 Functions.
DataWars: Practice Data Science/Analysis with +100 Real Life Projects Channel Ask questions of your business data in English and use AI to generate SQL . Retrieved from " https://sqlzoo.net/w/index.php?title=Tutorial_Quizzes&oldid=3657 "
24 cze 2024 · SQLZoo is a renowned interactive platform that offers a wide range of exercises designed to test and improve your understanding of SQL. In this blog, I will walk you through various SQLZoo...
This GitHub repository features my solutions to challenging SQLZOO questions, specifically focusing on the challenging ones. It serves as a resource for SQL learners looking for insights into complex problem-solving.
