When it comes to learning SQL, sqlzoo.net is a valuable resource offering many interactive tutorials and exercises for both beginners and advanced SQL users. The website has a clean and simple design that allows users to easily navigate the site and immediately access the SQL queries they need to improve their skills.
The website's homepage is divided into sections that cater to different skill levels and areas of interest. For example, the “Simple SQL” section offers a step-by-step tutorial for beginners, while the “Test Data” section provides large datasets for users to practice their SQL queries. The website also has several sections that focus on specific SQL functions, such as “Aggregate Functions” and “String Functions.”
The website has an active community of users who contribute to its forums, providing valuable feedback and tips to help other users improve their skills. The forums provide a space for users to ask questions and receive support from other members of the community.
One notable feature of sqlzoo.net is its SSL certificate, issued by Let's Encrypt. This ensures that all data transmitted between the user's browser and the website is securely encrypted, protecting sensitive user information from prying eyes.
According to PageSpeed Insights, the website has a speed score of 71, which indicates that the site has a good loading speed. However, there may still be some opportunities to improve the site's performance, such as optimizing image file sizes and minimizing the number of HTTP requests.
Overall, sqlzoo.net is a family-friendly website that provides an excellent resource for anyone looking to improve their SQL skills. With its intuitive design, large dataset, interactive tutorials, and active community of users, sqlzoo.net is a valuable asset for anyone starting out or looking to improve their SQL skills.
Domain | sqlzoo.net |
Issuer Organization | Let's Encrypt |
Issuer | R10 |
Algorithm | RSA-SHA256 |
Valid form | 09/18/2024 |
Expiration | 12/17/2024 |
Signed | Certificate is not self signed |
Additional Domains |
napier.sqlzoo.net sqlzoo.net |
Alexa Rank shows how popular sqlzoo.net is in comparison with other sites. The most popular site has Alexa Rank equals 1. If sqlzoo.net has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to sqlzoo.net and pageviews on sqlzoo.net over the past 3 months.
ASN ID: 56478
ASN Title: Hyperoptic LtdLast Update: 04/13/2025
% This is the RIPE Database query service.
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% See http://www.ripe.net/db/support/db-terms-conditions.pdf
% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.
% Information related to 'AS56320 - AS58367'
as-block: AS56320 - AS58367
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE
% Information related to 'AS56478'
% Abuse contact for 'AS56478' is 'abuse@hyperoptic.com'
aut-num: AS56478
as-name: BCUBE-AS
org: ORG-BL107-RIPE
import: from AS174 accept ANY
export: to AS174 announce AS56478
import: from AS6461 accept ANY
export: to AS6461 announce AS56478
admin-c: SA7920-RIPE
tech-c: SA7920-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-BCUBE
created: 2011-03-01T12:25:42Z
last-modified: 2018-09-04T10:59:22Z
source: RIPE # Filtered
organisation: ORG-BL107-RIPE
org-name: Hyperoptic Ltd
org-type: LIR
address: Hythe House
200 Shepherds Bush Road
address: W6 7NL
address: London
address: UNITED KINGDOM
phone: +44333 332 1111
fax-no: +448082802390
tech-c: SA7920-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-BCUBE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-BCUBE
admin-c: SA7920-RIPE
abuse-c: SA31055-RIPE
created: 2010-11-15T13:07:00Z
last-modified: 2017-07-06T12:56:43Z
source: RIPE # Filtered
person: Bojan Loncar
address: Hyperoptic Ltd
address: Hythe House
address: 200 Shepherds Bush Road
address: London, W6 7NL
phone: +44 333 332 1100
nic-hdl: SA7920-RIPE
mnt-by: SA68532-MNT
created: 2011-06-13T09:58:23Z
last-modified: 2017-10-30T22:14:00Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.92.5 (HEREFORD)
Domain Name: SQLZOO.NET
Registry Domain ID: 87058414_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.123-reg.co.uk
Registrar URL: http://www.meshdigital.com
Updated Date: 2024-02-06T10:50:09Z
Creation Date: 2002-05-29T17:20:23Z
Registry Expiry Date: 2029-05-29T17:20:23Z
Registrar: 123-Reg Limited
Registrar IANA ID: 1515
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: NS59.DOMAINCONTROL.COM
Name Server: NS60.DOMAINCONTROL.COM
DNSSEC: signedDelegation
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URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-19T10:42:44Z
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ns0.dnsmadeeasy.com
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Email address: dns.dnsmadeeasy.com
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Last tested: 12/08/2016
Total Resources | 22 |
Number of Hosts | 4 |
Static Resources | 17 |
JavaScript Resources | 11 |
CSS Resources | 2 |
Last tested: 12/08/2016
Total Resources | 36 |
Number of Hosts | 6 |
Static Resources | 28 |
JavaScript Resources | 16 |
CSS Resources | 3 |