After you downloaded CUBRID files from http://www.cubrid.org/downloads, here are detailed documentation you can refer to.
If you are new, you can get started with these tutorials which cover How to install and to build, Configurations, Development tips, Admistration tips and CUBRID Architecture and concepts.
CUBRID Manuals is a superset of tutorials. They consist of chapters as following: Introduction, Getting Started, CSQL Interpreter, CUBRID SQL guide, Administration guide, Performance tuning, API references, and CUBRID Manager guide.
If you consider version updates or look for new features and fixed bugs of a specific version, you'd better to read CUBRID release notes. The link also contains QA test reports having perfermance comparison between the latest version and the previous version.
CUBRID wiki pages are for collaboration and instant documentation of CUBRID Tools and Drivers projects. They contains specification documents, change note(or release note), and unit test results.
CUBRID provides video tutorials for your first step to CUBRID. They contain How to use CUBRID Manager to create DBs and Tables, and to execute SQLs.
CUBRID Blog covers various topics of technical articles including trendy news, NoSQL, database or storage related articles, and other opensource products.
It is very easy to get started with CUBRID. Follow these step-by-step tutorials and you will see how fun it is to learn CUBRID.
There are GUI based tools to manage CUBRID.
CUBRID Manager (CM) is the most powerful database administration tool for DBAs and Developers.
CUBRID Query Browser (CQB) is a light-weight SQL execution tool for developers.
CUBRID Web Manager (CWM) is a PHPMyAdmin like tool which is embedded in CUBRID Engine Package. After installation CUBRID Engine, just open https://localhost:8282 in your browser.
CUBRID Migration Tool (CMT) is a batch data migration/export tool from other DBs to CUBRID and to dump files in a format of *xls, *.sql, *csv based on your reserved schedule.
There are many of drivers(connectors) that you can use. Pick up a right one and develop your application with CUBRID. Visit these online resources and read our documentation.
Visit these online resources and read our documentation at http://www.cubrid.org/tutorials.