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1 SELECT. How to read the data from a database. 2 CREATE and DROP. How to create tables, indexes, views and other things.
- SELECT Names
Pattern Matching Strings. This tutorial uses the LIKE...
- SELECT Basics
The example shows the name and population for the countries...
- 4 Select Within Select
In the example provided, you would say “select the country...
- Another JOIN Tutorial
This tutorial introduces the notion of a join. The database...
- 8+ Numeric Examples
The example shows the number who responded for: question 1;...
- 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
1 maj 2017 · I am trying to work through some of the examples at SQLZOO. I would like to load the AdventureWorks example database into an Oracle database at home. Google search has not turned up any SQL scripts that have been converted for Oracle. Does anyone have or know where I can get such scripts?
To get into Oracle use sqlplus or "SQL *Plus Worksheet" if you have a mouse and such like. Start/Programs/Oracle - something/Application Development/SQL *Plus Worksheet. You need to know a user name and password - scott/tiger is created by default.
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
9 maj 2024 · The SQL SELECT statement is like a search command for databases. It fetches specific data from tables based on criteria you provide, such as names, numbers, or dates. It’s like asking a database...
The example shows the name and population for the countries 'Brazil', 'Russia', 'India' and 'China'. Show the name and the population for 'Sweden', 'Norway' and 'Denmark'. SELECT name, population FROM world WHERE name IN ('Brazil', 'Russia', 'India', 'China');
The example below shows countries with an area of 250,000-300,000 sq. km. Modify it to show the country and the area for countries with an area between 200,000 and 250,000. SELECT name, area FROM world WHERE area BETWEEN 200000 AND 250000 ;
