Multi-Tenant Magic: Under the Covers of the Force.com data Architecture Craig Weissman Chief Software Architect salesforce.com.
Stephen C. Hayne Data Modeling zMethod yidentify/describe data entities zNotation yway to illustrate findings zApproaches yNormalization yEntity Relationship.
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DAT 342 Advanced SQL Server Performance and Tuning Bren Newman Program Manager SQL Server Development Microsoft Corporation.
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1 Loss-Less Joins. 2 Decompositions uDependency-preservation property: enforce constraints on original relation by enforcing some constraints on resulting.
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Relational Algebra 2. Relational Algebra Formalism for creating new relations from existing ones Its place in the big picture: Declartive query language.
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Selectivity-Based Partitioning Alkis Polyzotis UC Santa Cruz.