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MySQL for Python

You're reading from   MySQL for Python Integrating MySQL and Python can bring a whole new level of productivity to your applications. This practical tutorial shows you how with examples and explanations that clarify even the most difficult concepts.

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Product type Paperback
Published in Sep 2010
Publisher Packt
ISBN-13 9781849510189
Length 440 pages
Edition 1st Edition
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Author (1):
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Albert Lukaszewski Albert Lukaszewski
Author Profile Icon Albert Lukaszewski
Albert Lukaszewski
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Table of Contents (20) Chapters Close

MySQL for Python
Credits
About the Author
About the Reviewers
Preface
1. Getting Up and Running with MySQL for Python FREE CHAPTER 2. Simple Querying 3. Simple Insertion 4. Exception Handling 5. Results Record-by-Record 6. Inserting Multiple Entries 7. Creating and Dropping 8. Creating Users and Granting Access 9. Date and Time Values 10. Aggregate Functions and Clauses 11. SELECT Alternatives 12. String Functions 13. Showing MySQL Metadata 14. Disaster Recovery Index

executemany(): Basic syntax


The executemany() call has the following basic syntax:

<cursor object handle>.executemany(<statement>, <arguments>)

Note that neither the statement to be processed nor its arguments is optional. Both are required; otherwise, a TypeError will be thrown by Python.

The data type of each argument to executemany() should be noted as:

  • statement: A string containing the query to execute

  • arguments: A sequence containing parameters to use within the statement

Using any other type for statements or arguments will result in Python throwing an error.

The statement may be constructed using Python's string manipulation methods. The sequence reflected in the arguments must be either of a sequence or mapping type. Thus, the following data types are allowed as arguments:

  • strings

  • lists

  • tuples

  • dictionaries

If a comma-delimited list is inadvertently passed as a string, it will be evaluated as a string and will not be separated. Consequently, if one is passing values for multiple...

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