'Db system' diaporamas de présentation

1. Introduction

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1. Introduction

602 views • 50 slides

Data -intensive Computing Systems Query Optimization (Cost-based optimization)

Data -intensive Computing Systems Query Optimization (Cost-based optimization). Shivnath Babu. Query Optimization Problem. Pick the best plan from the space of physical plans. Cost-Based Optimization. Prune the space of plans using heuristics Estimate cost for remaining plans

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FISCAL IMPACT OF PENSION REFORMS

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The Database Development Process

The Database Development Process. Incremental Commitment in DB Development. Project is reviewed at the end of each development phase (iterative process) Re-justify the process under the light of new requirements and available resources Requirements are tend to change all the time

129 views • 12 slides