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DB2 9 Index with Expressions

(Troy Coleman) Prior to DB2 9, the create index statement only allowed you to use the column name from the table the index is being built on. The same value for each column stored on the table was copied into the index and used to quickly identify the row when searching by that column name. Now with

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Converting (people) to RDF

(Jeni Tennison) As I’ve mentioned before, I’ve been a RDF sceptic for a long time. Perhaps it’s precisely because of my knowledge engineering background: in my experience, the field is about equal parts academic optimism, sales-related exaggeration and plain old information management. In other (un-

Community

Free Database Archiving Webinar

(Craig Mullins) The webinar, which I will be co-hosting with Bill Baker, will tackle the issue of skyrocketing data volumes in conjunction with increasing governmental regulations that impact the duration of data retention. These dual trends (among several others) conspire to make it difficult to en