Friday, August 15, 2014

Weekly Update

1. Quote of the Week
Invoice number is the key (key is not unique in this table). Although structure or key constraints doesn't enforce uniqueness of rows, the assumption is there will not be duplicate rows.

2. To Laugh or Cry?
Relational Queries by Reference

3. Online Debunkings
What is Weak Subtype

5. And now for something completely different
Tim's Vermeer

@The PostWest

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