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diff --git a/‎Introduction to Databases in Python/01 Basics of Relational Databases/chapter1.pdf‎
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diff --git a/‎Introduction to Databases in Python/02 Applying Filtering, Ordering and Grouping to Queries/chapter2.pdf‎
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diff --git a/‎Introduction to Databases in Python/03 Advanced SQLAlchemy Queries/chapter3.pdf‎
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diff --git a/‎Introduction to Databases in Python/04 Creating and Manipulating your own Databases/chapter4.pdf‎
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diff --git a/‎Introduction to Databases in Python/05 Putting it all together/chapter5.pdf‎
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diff --git a/‎Introduction to Databases in Python/readme.md‎
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diff --git a/‎… Types of database constraints/readme.md‎ ‎… Types of database constraints/readme.md‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/01 Types of database constraints/readme.md renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/01 Types of database constraints/readme.md b/‎… Types of database constraints/readme.md‎ ‎… Types of database constraints/readme.md‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/01 Types of database constraints/readme.md renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/01 Types of database constraints/readme.md
diff --git a/‎…/02 Conforming with data types/query.sql‎ ‎…/02 Conforming with data types/query.sql‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/02 Conforming with data types/query.sql renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/02 Conforming with data types/query.sql b/‎…/02 Conforming with data types/query.sql‎ ‎…/02 Conforming with data types/query.sql‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/02 Conforming with data types/query.sql renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/02 Conforming with data types/query.sql
diff --git a/‎…bute constraints/03 Type CASTs/query.sql‎ ‎…bute constraints/03 Type CASTs/query.sql‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/03 Type CASTs/query.sql renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/03 Type CASTs/query.sql b/‎…bute constraints/03 Type CASTs/query.sql‎ ‎…bute constraints/03 Type CASTs/query.sql‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/03 Type CASTs/query.sql renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/03 Type CASTs/query.sql
diff --git a/‎…Change types with ALTER COLUMN/query.sql‎ ‎…Change types with ALTER COLUMN/query.sql‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/04 Change types with ALTER COLUMN/query.sql renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/04 Change types with ALTER COLUMN/query.sql b/‎…Change types with ALTER COLUMN/query.sql‎ ‎…Change types with ALTER COLUMN/query.sql‎Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/04 Change types with ALTER COLUMN/query.sql renamed to Introduction to Relational Databases in SQL/02 Enforce data consistency with attribute constraints/04 Change types with ALTER COLUMN/query.sql
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+## Course Description
+
+In this course, you'll learn the basics of using SQL with Python. This will be useful because databases are ubiquitous and data scientists, analysts, and engineers must interact with them constantly. The Python SQL toolkit SQLAlchemy provides an accessible and intuitive way to query, build, and write to essential databases, including SQLite, MySQL, and PostgreSQL.
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	`1`	`+## Course Description`
	`2`	`+`
	`3`	`+In this course, you'll learn the basics of using SQL with Python. This will be useful because databases are ubiquitous and data scientists, analysts, and engineers must interact with them constantly. The Python SQL toolkit SQLAlchemy provides an accessible and intuitive way to query, build, and write to essential databases, including SQLite, MySQL, and PostgreSQL.`