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last data update: 2011/10/14, 06:45
Website loading time
during the test: 0.43 s
cable connection (average): 0.47 s
DSL connection (average): 0.52 s
modem (average): 2.89 s
HTTP headers
HTTP/1.1 200 OK
Date: Fri, 14 Oct 2011 13:47:12 GMT
Server: Apache/2.2.17 (Fedora)
Last-Modified: Mon, 11 Apr 2011 07:39:35 GMT
ETag: "1800ca-44e7-4a09fad5891a0"
Accept-Ranges: bytes
Content-Length: 17639
Connection: close
Content-Type: text/html; charset=UTF-8
Information about DNS servers
sqlzoo.net | A | 146.176.166.2 | IN | 38490 |
Received from the first DNS server
Request to the server "sqlzoo.net"
You used the following DNS server:
DNS Name: ns1.leaseweb.nl
DNS Server Address: 62.212.64.121#53
DNS server aliases:
HEADER opcode: REQUEST, status: NOERROR, id: 33251
flag: qr rd REQUEST: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
REQUEST SECTION:
sqlzoo.net. IN ANY
Received 28 bytes from address 62.212.64.121#53 in 84 ms
Received from the second DNS server
Request to the server "sqlzoo.net"
You used the following DNS server:
DNS Name: ns5.leaseweb.nl
DNS Server Address: 83.149.64.123#53
DNS server aliases:
HEADER opcode: REQUEST, status: NOERROR, id: 3560
flag: qr rd REQUEST: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
REQUEST SECTION:
sqlzoo.net. IN ANY
Received 28 bytes from address 83.149.64.123#53 in 84 ms
Subdomains (the first 50)
Typos (misspells)
aqlzoo.net zqlzoo.net xqlzoo.net dqlzoo.net eqlzoo.net wqlzoo.net s1lzoo.net s2lzoo.net swlzoo.net salzoo.net sqkzoo.net sqpzoo.net sqozoo.net sqlxoo.net sqlsoo.net | sqlaoo.net sqlzio.net sqlzko.net sqlzlo.net sqlzpo.net sqlz0o.net sqlz9o.net sqlzoi.net sqlzok.net sqlzol.net sqlzop.net sqlzo0.net sqlzo9.net qlzoo.net slzoo.net | sqzoo.net sqloo.net sqlzo.net sqlzo.net qslzoo.net slqzoo.net sqzloo.net sqlozo.net sqlzoo.net ssqlzoo.net sqqlzoo.net sqllzoo.net sqlzzoo.net sqlzooo.net sqlzooo.net |
Location
IP: 146.176.166.2
continent: EU, country: United Kingdom (GBR), city:
Website value
rank in the traffic statistics: 147 154
page wievs - daily average: 643
page views - monthly average: 19 277
visitors - daily average during last 30 days: 212
visitors during last 30 days: 6 362
estimated daily income from ads: 29 USD
estimated monthly income from ads: 859 USD
estimated website value: 27 001 USD
Basic information
website build using CSS
code weight: 17.23 KB
text per all code ratio: 25 %
title:
description:
keywords: SQL, tutorial, learn, database, relational database, structured query language, interactive, MySQL, SQL Server, Oracle, Access db2
encoding: UTF-8
language: en
Website code analysis
one word phrases repeated minimum three times
Phrase | Quantity |
---|---|
to | 22 |
and | 21 |
the | 18 |
SQL | 18 |
of | 16 |
How | 12 |
SELECT | 9 |
in | 8 |
we | 7 |
JOIN | 7 |
population | 7 |
which | 7 |
In | 7 |
bbc | 6 |
WHERE | 6 |
area | 6 |
FROM | 6 |
SELECT: | 5 |
with | 5 |
name, | 5 |
using | 4 |
for | 4 |
from | 3 |
country | 3 |
Answers | 3 |
data | 3 |
get | 3 |
other | 3 |
join | 3 |
two word phrases repeated minimum three times
Phrase | Quantity |
---|---|
How to | 12 |
In which | 7 |
which we | 7 |
bbc WHERE | 6 |
FROM bbc | 6 |
SELECT name, | 4 |
of the | 4 |
area of | 3 |
we join | 3 |
three word phrases repeated minimum three times
Phrase | Quantity |
---|---|
In which we | 7 |
FROM bbc WHERE | 6 |
which we join | 3 |
B tags
Zoo tutorials:
0) SELECT:
1) SELECT:
3) SUM and COUNT:
4) The JOIN operation:
5) More JOIN operations:
6) Using Null:
7) Self join:
SQL User Manuals
Starting SQL
Programming with SQL
SQL standard
Error Messages
U tags
I tags
images
file name | alternative text |
---|---|
sqlhacks.gif | SQL Hacks Book Cover |
headers
H1
H2
Population of more than 200 million.
Twice the area of India.
H3
Population of more than 200 million.
Twice the area of India.
H4
H5
H6
internal links
address | anchor text |
---|---|
http://sqlzoo.net | SQL |
select.htm | SELECT |
lfun.htm | FUNCTIONS |
select_where.htm | SELECT WHERE |
select_join.htm | SELECT JOIN |
select_select.htm | SELECT SELECT |
insert.htm | INSERT VALUES |
insert_select.htm | INSERT SELECT |
update.htm | UPDATE |
delete.htm | DELETE |
create.htm | CREATE TABLE |
create_view.htm | CREATE VIEW |
create_index.htm | CREATE INDEX |
drop.htm | DROP |
alter_table.htm | ALTER TABLE |
0.htm | SELECT: |
1.htm | SELECT: |
1b.htm | More practice with SELECT: |
1a.htm | SELECT in SELECT: |
2.htm | SUM and COUNT: |
2b.htm | more the same |
3b.htm | The JOIN operation: |
3a.htm | music tutorial |
3.htm | More JOIN operations: |
4a.htm | Using Null: |
4.htm | Scottish Paliament |
6.htm | Self join: |
commysql.htm | MySQL |
comoracle.htm | Oracle |
comsqlserver.htm | SQL Server |
comdb2.htm | DB2 |
compost.htm | Postgres |
comingres.htm | Ingres |
web.htm | SQL in perl on the Web |
java.htm | SQL from Java |
http://sqlzoo.net/sql92.html | SQL92 BNF |
1.htm?answer=1 | SELECT |
1a.htm?answer=1 | SELECT in SELECT |
2.htm?answer=1 | SUM and COUNT |
3b.htm?answer=1 | JOIN I |
3.htm?answer=1 | JOIN II |
4a.htm?answer=1 | OUTER JOIN (teachers) |
4.htm?answer=1 | OUTER JOIN (Parliament) |
5.htm?answer=1 | ACME |
6.htm?answer=1 | SELF JOIN |
7.htm?answer=1 | Top of the Pops |
a6.htm | AdventureWorks |
a1.htm | Neeps |
a2.htm | Musicians |
a3.htm | Southwind |
a4.htm | Dressmaker |
a5.htm | Congestion Charging |
b5.htm | old questions |
/big/album.txt | Album |
/big/track.txt | Tracks |
/big/style.txt | Style |
/hack/ | Exploit SQL Injection Attack |
w.htm | What is SQL? |
h.htm | About SQLzoo. |
say.htm | How to say SQL. |
7.htm | Top of the Pops: using dates |
5.htm | ACME products: dealing with money. |
e1.htm | Thrice Unfactorised Enigma |
http://sqlzoo.net/jp/ | SQLzoo in Japanese 日本語 |
external links
address | anchor text |
---|---|
http://sqlzoo.cn | SQLzoo.cn |
http://linuxzoo.net | Linux |
http://progzoo.net | Java |
http://xmlzoo.net | XML |
http://www.oreilly.com/catalog/sqlhks/ | SQL Hacks Book Cover |
http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp | DB2 |
http://sybooks.sybase.com/onlinebooks/group-as/asg1251e/commands/@Generic__BookTextView/704;hf=0#X | Sybase |
http://www.postgresql.org/docs/8.2/interactive/index.html | Postgres |
http://www.sqlite.org/lang.html | SQLite |
http://www.met-office.gov.uk/climate/uk/stationdata/southamptondata.txt | Weather data for Southhampton |
http://db.grussell.org | Relational Database Theory |
http://db.grussell.org/mc | quiz |
http://sqlzoo.de | SQLzoo in German |
http://www.dcs.napier.ac.uk/~andrew/ | Andrew Cumming |
http://www.soc.napier.ac.uk/ | School of Computing |
http://www.napier.ac.uk/ | Napier University |