Sql

Learn about: SQL Server, Oracle, MySQL, DB2, and PostgreSQL.

Tutorial Section

1 SELECT basics

Some simple queries to get you started

2 SELECT from BBC

In which we query the BBC country profile table.

3 SELECT from Nobel

Additional practice of the basic features using a table of Nobel Prize winners.

4 SELECT within SELECT

In which we form queries using other queries.

5 SUM and COUNT

In which we apply aggregate functions. more the same

6 JOIN

In which we join two tables; game and goals. previously music tutorial

7 More JOIN operations

In which we join actors to movies in the Movie Database.

8 Using Null

In which we look at teachers in departments. previously Scottish Parliament

9 Self join

In which we join Edinburgh bus routes to Edinburgh bus routes.

10 Tutorial Quizzes

Test your knowledge with multiple choice quizzes

Reference Section: how to...

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

How to use string functions, logical functions and mathematical functions.

6 Users

How to create users, GRANT and DENY access, get at other peoples tables. How to find processes and kill them.

7 Meta Data

How to find out what tables and columns exist. How to count and limit the rows return.

8 SQL Hacks

SQL Resources

SQL User Manuals

[ Mimer | MySQL | Oracle | SQL Server | Access | DB2 | Sybase | Postgres | SQLite ]

Online copies of implementation specific user manuals.

Starting SQL

[ MySQL | Oracle | SQL Server | DB2 | Postgres | Ingres ]

How to connect to the server and execute SQL statements.

Programming with SQL

[ SQL in perl on the Web | SQL from Java ]

SQL standard

[ SQL92 BNF ]

Error Messages

Some error messages from SQL engines

Temporary Assessment section, before the main menu is finished.

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