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Boolean tutorial

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  • 1. Boolean BasicsBy Amanda Hovious, MLIS
  • 2. Skip Directions Navigation buttons Main menu and multiple choice buttons Help button Press Esc to exit program at any timePlug-in required: Adobe Shockwave Player
  • 3. Boolean Basics Introduction Using AND Using OR Combining AND & OR Using NOTBoolean Operators in Action Demo!
  • 4. Main MenuIntroductionWhen you are searching for articles in adatabase, using Boolean Operators betweensearch terms will improve your results.The three basic Boolean operators are AND, OR& NOT. Click on the right arrow to start thetutorial.
  • 5. Main MenuDefinition of DatabaseA collection of information organized in such away that a computer program can quickly selectdesired pieces of data. You can think of adatabase as an electronic filing system.
  • 6. Main MenuUsing AND peanut jelly butter peanut butter AND jelly AND narrows your search - your search results fall where the two circles intersect.
  • 7. Main MenuUsing ANDAND means that ALL terms must be included.What has fur AND flies? COW BAT ROOSTER
  • 8. Main MenuUsing ANDAND means that ALL terms must be included.What has fur and flies? COW No! Cows have fur, but do not fly. Try again. BAT ROOSTER
  • 9. Main MenuUsing ANDAND means that ALL terms must be included.What has fur and flies? COW Yes! Bats have fur BAT AND fly. ROOSTER
  • 10. Main MenuUsing ANDAND means that ALL terms must be included.What has fur and flies? COW BAT No! Roosters can fly ROOSTER but they don’t have fur. Try again.
  • 11. Main MenuUsing OR strawberry grape jelly jelly strawberry jelly OR grape jelly OR brings more! – your search results include anything that falls into EITHER circle.
  • 12. Main MenuUsing OROR means that ANY term can be included. OR istypically used to find similar or related terms.What has fur OR flies? COW, BAT, ROOSTER COW, BAT ROOSTER
  • 13. Main MenuUsing OROR means that ANY term can be included. OR istypically used to find similar or related terms.What has fur OR flies? COW, BAT, ROOSTER Yes! Cows, bats, and roosters EITHER have COW, BAT fur OR they fly. Notice how OR includes more. ROOSTER
  • 14. Main MenuUsing OROR means that ANY term can be included. OR istypically used to find similar or related terms.What has fur OR flies? COW, BAT, ROOSTER COW, BAT No! Cows and bats have fur, but you are looking for things that ROOSTER have fur OR fly. Try again.
  • 15. Main MenuUsing OROR means that ANY term can be included. OR istypically used to find similar or related terms.What has fur OR flies? COW, BAT, ROOSTER No! Roosters can fly, but COW, BAT you are looking for things that EITHER have fur OR ROOSTER fly. Try again.
  • 16. Main MenuCombining AND & ORBoolean Search Rule: Alwaysuse parentheses around yourOR operators when combiningAND & OR. peanut butter strawberry grape jelly jelly peanut butter AND (grape jelly OR strawberry jelly) Your search results appear where all three circles intersect, as well as where strawberry jelly intersects with peanut butter and where grape jelly intersects with peanut butter.
  • 17. Main MenuCombining AND & ORCombining AND & OR operators helps broaden yoursearch when AND alone returns too few results.What has (fur OR feathers) AND flies? COW, ROOSTER COW, BAT BAT, ROOSTER
  • 18. Main MenuCombining AND & ORCombining AND & OR operators helps broaden yoursearch when AND alone returns too few results.What has (fur OR feathers) AND flies? COW, ROOSTER No! Cows have fur AND roosters COW, BAT have feathers, but you are looking for things that can ALSO BAT, ROOSTER fly. Try again.
  • 19. Main MenuCombining AND & ORCombining AND & OR operators helps broaden yoursearch when AND alone returns too few results.What has (fur OR feathers) AND flies? COW, ROOSTER No! Cows and bats have fur, but COW, BAT you are looking for things that can ALSO fly. Try again. BAT, ROOSTER
  • 20. Main MenuCombining AND & ORCombining AND & OR operators helps broaden yoursearch when AND alone returns too few results.What has (fur OR feathers) AND flies? COW, ROOSTER Yes! Bats and roosters have COW, BAT either (fur OR feathers) AND they can BOTH fly. BAT, ROOSTER
  • 21. Main MenuUsing NOT strawberry grape jelly jelly Strawberry jelly NOT grape jelly Search results include all of the strawberry jelly circle that does NOT INCLUDE grape jelly.
  • 22. Main MenuUsing NOTUsing NOT will exclude terms that you do not wantappearing in your search results.What has fur NOT feathers? COW, ROOSTER COW, BAT BAT, ROOSTER
  • 23. Main MenuUsing NOTUsing NOT will exclude terms that you do not wantappearing in your search results.What has fur NOT feathers? COW, ROOSTER No! Roosters have feathers. You are looking for things without COW, BAT feathers. Try again. BAT, ROOSTER
  • 24. Main Go to Demo MenuUsing NOTUsing NOT will exclude terms that you do not wantappearing in your search results.What has fur NOT feathers? COW, ROOSTER Yes! Cows and bats have COW, BAT fur NOT feathers. BAT, ROOSTER