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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.

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?
Can you find all the countries with a maximum temperature greater than or equal to 25oC?

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