Difference between revisions of "Main Page"

Revision as of 12:17, 3 August 2012

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

Do you like the new layout of SQLZoo?

Please share your opinion with us: sqlzoo.qa@gmail.com.

The original site is still available at http://sqlzoo.net/index.html

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; ttms and country. 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.

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 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.: Assessment Temp

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 <div class = "feedback">
 <p>'''Do you like the new layout of SQLZoo?'''</p>
-You are welcome to share your opinion with us. The best way to do so is to [mailto:sqlzoo.qa@gmail.com send us an e-mail].
+<p>Please share your opinion with us: [mailto:sqlzoo.qa@gmail.com sqlzoo.qa@gmail.com].</p>
+<p>The original site is still available at http://sqlzoo.net/index.html</p>
 </div>
 <div class=tutblock>