We have BigTable from Google, Hadoop, actively contributed by Yahoo, Dy开发者_如何转开发namo from Amazon
I\'m trying to use Pentaho Data Integration / Pan to make a type-2 (SCD) table. After I ran my data through a DimensionLookup step a first time, I got a type-2 table that looks like:
Supp开发者_StackOverflowose I have a table with a column name varchar(20), and I store a row with name = \"abcdef\".
How would I design the tables for a matching system doing something like this: We have X products which can have Y properties. The number of properties can vary from product to 开发者_C百科product an
I\'ve met one person who claims he has wrote to over 5000 lines of stored procedure in Sql Server. Is that long stored procedure actually required ever? Or is it sign of a bad database and coding desi
I\'m planning to write an address book that stored contact information. Each contact could have an unlimited number of fields.
There are several approaches how to store entities hierarchy in relation database For example there is person entity (20 basic attributes), student开发者_如何学运维 entity (the same as person but se
I have a requirement to build a Business Rule Engine. I use the SQL SERVER 2005. The business rules are massive, like 2000 pages long.
There has been a lot of talk about contra-revolutionary NoSQL databases like Cassandra, CouchDB, Hypertable, MongoDB, Project Voldemort, BigTable, and so many more. As far as I am concerned, the stron
I am just curious how do you all create tables to maintain integrity? tblUserProfile UserId EyeColorId HairColorId
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