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Our development team just released version 1.1.1 of the IBM_DB gem which provides support for using Ruby on Rails with DB2 and IDS. The new gem provides support for Activerecord 2.3.3 and a fix for a defect that will let us implement support for a popular Ruby on Rails application. [...] Since table objects (or just tables) are so fundamental to your ability to store and retrieve data there comes a time when you want to get some information on a particular table in your database. For example, you may want to know how much disk space has been allocated for a particular table, or what state it is in. Should it be reorganized? Has the last load job finished loading data in to it and so on. If you were using MySQL, you may have just looked at the file that represents a table and were able to figure out disk usage that way. There is a better way to do this in DB2 Express-C (and every other DB2 for Linux, Unix and Windows v9.5). Since DB2 speaks SQL, it makes sense to query information about its tables using SQL. DB2 provides not one but 2 ways of getting cornucopia of information about tables via SQL. One way is to use a SYSIBMADM.ADMINTABINFO view. [...] |
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