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Jan 17th, 2019
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  1. sql database - most common database
  2. sql is a relational database with a series of columns and rows
  3. a value of false/nil evaluates as falsey, everything else returns a value of truthy
  4. && means if two things are both true
  5. If the thing to the left of the && is true (truthy), move forward, treated like a gate
  6. Will always return the last value
  7. || (pipes) means or for false
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