Amazon SimpleDB is ranked 16th in Non-Relational Databases while CA Datacom is ranked 33rd in Database Development and Management. Amazon SimpleDB is rated 0.0, while CA Datacom is rated 9.0. On the other hand, the top reviewer of CA Datacom writes "It is like a black box type of product. We just set it up and it runs". Amazon SimpleDB is most compared with , whereas CA Datacom is most compared with CA IDMS.
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