ULID stand for Universally Unique Lexicographically Sortable Identifier. Id UUID PRIMARY KEY DEFAULT gen_random_uuid() gen_random_uuid() function is used to generate uuid. postgreSQL 9.5 recommend to use pgcrypto. You also need to install some extensions like uuid-oosp or pgcrypto. There are several algorithms for generating it. To store id as uuid data-type is uuid which was introduced in PostgreSQL 9.4. You can see its 32 bit hexadecimal separated by hyphens. Some systems refer UUID as GUID (Globally unique identifier). UUID are 16-byte / 32-hexadecimal digit (with 4 -s for separation) identifiers generated by an algorithm that make it unique in the known universe using the same algorithm. UUID stands for Universal Unique Identifier defined by RFC 4122 and other related standards. Id integer NOT NULL DEFAULT nextval('table_name_id_seq') In postgreSQL you can define it as series CREATE TABLE table_name( While there are other ways too which can be used ad every these type have their own pros and cons. Traditional way is using id as integer which auto-increment. You will fix this by copy libmySQL.dll from installed mysqlServer 5 directory (installedpath/mysql server 5.0/bin) to your ruby directory (installedpath/ruby/bin).There are several ways to define IDs in databases. PS: It may occur Error mesage like:’ libmySQL.dll missing ‘ or something like that. So in short, you only need to set a different port to run 2 mysql servers at one pc. To database.yml in config folder of my project and run rake db:create. I added a line port: 3309 as you can see below, So i run configuaration tools set port to 3309 and click to final step and security problem appeared again.Never mind I thought. So i had an idea that this port problem can cause the security problem. It didn’t let use say it did but i forget set different port to mysql server 5.0. I was wondering if Rails are going to accept another sqlserver. run installation and than configuration that failed in last item (security settings). So i refused SQLite and PostgreSQL for my personal reasons, than only one option left, another mysql server. I tried to find how to fix the problem bud it seems that Ruby on Rails has some problems with mysql 5.1.33. So i tried to run Ruby on Rails with pre-installed version of mysql 5.1.33 but Rails didn’t work properly. I developing web aplications with WAMP (Windows + Apache + Mysql + PHP). If you are interested to work with me you can sand me an email to petr(at)zaparka(dot)cz or if you are just interested what am I up to just follow me on twitter I started learning Ruby on Rails I needed to run some database server for ruby. export dat in XML and JSON – contained information are based on type if requested player or platfiorm.integration with Movida (programme database).It provides sources programme, series, episode, cast and VOD availability data from a variety of sources for different sites. It has been design to streamline the working processes of the Digital Media team. The ExtraSpecial Trust is charity that offers small personal grants towards some of life’s important extras to help make a wish come true. Based on Security report from independent agency. improvement of unsecured parts of application.Skype Theme is site where Skype Apple users can upload themes for Skype UI. YouTube API integration with download performance optimisation.The site was designed to work across multiple platforms in including mobile and tablet optimisations. Users uploaded videos to YouTube via the site which, in turn, were displayed on an interactive timezone map of the world. To bring in 2011 Skype launched an HTML5 site that tracked NYE as it happened around the world.
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