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josiahparry.com | ||
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sookocheff.com
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| | | | | Title and Author of Paper Access Path Selection in a Relational Database Management System. P. G. Selinger et al. Summary This paper describes methods of the SQL query optimizer for determining the cost of satisfying a query. It also describes methods for choosing among several competing methods. What are the motivations for this work? SQL is a high-level language where requests for data are stated non-procedurally. The user is not expected to need any knowledge of how the data is stored in the database or how it is retrieved. Thus, it is up to the DBMS to choose an appropriate access path for data retrieval on the users behalf. By designing the database in this fashion, we preserve data independence, where a users view of the data is independent of the data... | |
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128bit.io
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| | | | | One of the things that really gets me excited about my new job is being able to use new technology. Sure, sometimes new technology is risky but I see groups befitting more then failing due to usingnewer technology. As always when talking about new technology, NoSQL seems to come up because there are a good number of people switching parts (or all) of theirapplication to use NoSQL databases to get by limits or to help withscalability issues. | |
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blog.dancrisan.com
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| | | | | Let's start with some new vocabulary and acronyms: DBMS : Database Management System Data model : concepts describing a collection of data (example: relational data model, object-oriented data model). Schema : characteristics and properties of... | Dan Crisan | Techie, Blogger, Diversity Advocate and A Little Bit More . This is my technical blog (: | |
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db-engines.com
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