Here are various recipes covering almost all the activities that are required by a Data Engineer, Scientist, Analyst or Python Developer.
The book is divided into two sections,
The book covers the over the following topics and recipes,
Introduction to Python, SQL, VS Code, Python extensions, pyodbc, sqlalchemy, odbc driver
Guidance on installing python, VS code, pyodbc, sqlalchemy
Setting up database, tables, and creating stored procedures used in this book.
Then code recipes are divided into 2 parts,
Multiple ways to prepare connection string and connecting SQL Server
PYODBC connection, cursor, commit, execute, objects & methods
CRUD Operations (insert, update, delete, and select/read data) with various approaches
Handling parameters of parameterized SQL queries & USPs
Handling SQL 'IN' operator parameters
Handling multiple resultsets of USP
How to handle multiple parameters
Different approaches to create and pass parameters
Cursor functions fetchall(), fetchone(), fetchval(), fetchmany(), rowcount etc.
Accessing rows & columns of a result set
Working with row by row or batch of rows
pandas methods read_sql(), read_sql_query(), read_table()
Calling stored procedures with & without parameters
Working with multiple databases, and looping through list of databases
Using 'with' statement
SQLALCHEMY core data api
SQLALCHEMY engine url, engine, connection, execute, cursor etc.
SQLALCHEMY exec_driver_sql(), raw_connection(), etc.
Working with pandas dataframe to insert & update multiple records
And many more important topics in pyodbc, and sqlalchemy