Databases let you search through large quantities of data very quickly. You can search them to find a particular record or set or records that match certain conditions or criteria.
This database contains some facts about the temperatures of different countries:
You can use a search to quickly look through the table and filter out all the records that you need to answer questions.
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| Creating Search Conditions |
This condition could be used to find all the countries with a minimum temperature of 1oC:
You can use these comparisons when searching a database:
Here are some other conditions you could use to help find particular records:
| Can you find all the countries with a minimum temperature less than 0oC? |
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| Can you find all the countries with a maximum temperature greater than or equal to 25oC? |
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