Python MySQL Where

Python MySQL Where

Select With a Filter

When selecting records from a table, you can filter the selection by using the “WHERE” statement:

Example

Select record(s) where the address is “Park Lane 38”: result:

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Wildcard Characters

You can also select the records that starts, includes, or ends with a given letter or phrase.

Use the %  to represent wildcard characters:

Example

Select records where the address contains the word “way”:

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Prevent SQL Injection

When query values are provided by the user, you should escape the values.

This is to prevent SQL injections, which is a common web hacking technique to destroy or misuse your database.

The mysql.connector module has methods to escape query values:

Example

Escape query values by using the placholder %s method:

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