How to Use Variables in pyodbc SELECT Statements?

pyodbc - How to perform a select statement using a variable for a parameter

In this guide, we're going to demonstrate how to parameterize a SELECT statement using a variable for a parameter. Here's how you can do it:

cursor.execute("SELECT * FROM Throughput WHERE DeviceName = ?", data['DeviceName'])

By parameterizing the statement, you gain several advantages:

• Protection against SQL injection: Parameterized statements prevent malicious users from manipulating your query by injecting malicious code.
• No need for escaping where clause values: When using parameterized statements, you don't need to manually escape where clause values with single quotes. The database engine handles this automatically.
• Improved performance: SQL statements are prepared once and reused for subsequent executions, improving performance.

So, remember to use parameterized statements when working with user input to enhance security and efficiency.

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