The third of the three Python programs shows how to use SQLite to create a relationship between two tables and then calculate a result using SciPy.
- [Narrator] Next, there are two pieces of data…that must be imported into the database.…These are identifier tables that describe data…in the vehicles and accidents tables.…This information is unusual because…it's an Excel file, not a CSV file.…It needs to be imported to the SQL lite…database using a different process.…This data is in the road accident safety guide XLS file…and if we open that, we'll see that there are several tabs.…The two tabs we are most interested in…is accident severity and vehicle type.…
I'm going to use Python's ability to manipulate…Excel files to complete this task.…Let's take a look at that code.…I've already opened the Python Idle Editor…and am now going to open up the script itself.…So I'll go to file, open, I'll navigate to the…exercise files, chapter three,…and we're going to open up the third import Python script.…Python requires a special library to open up Excel files.…
And, that library may not be installed in your system.…So, let's step through installing the xlrd library.…
Author
Mark Niemann-Ross
Released
10/13/2017- Strengths and weaknesses of SQLite
- Creating a database
- Joining data sets
- Calculations with SQLite and Python
- Searching a database
- Subqueries and queries in SQLite
- CRUD operations in SQLite with R
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome1m 16s
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The Database Clinic series1m 22s
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1. SQLite in Five Minutes
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A brief overview of SQLite2m 41s
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Strengths of SQLite1m 33s
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Weaknesses of SQLite1m 36s
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2. Create a Database
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Database creation2m 33s
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Overview of solution1m 46s
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3. Join Two Datasets
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Join datasets2m 50s
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Overview of solution3m 33s
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Code review for R6m 45s
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4. Search a Database
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Search a database1m 51s
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Overview of solution1m 19s
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5. Create, Read, Update, and Delete Operations
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CRUD operations2m 31s
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Overview of solution1m 34s
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6. Averages and Calculations
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Calculations1m 59s
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Overview of solution3m 51s
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Create a forecast4m 57s
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Insights on this problem2m 4s
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Conclusion
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Next steps59s
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Video: Import Excel files using Python