SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...
Welcome to Using SQL String Functions to Clean Data. This is a project-based course which should take approximately 2 hours to finish. Before diving into the project, please take a look at the course ...
Welcome to Using SQL String Functions to Clean Data. This is a project-based course which should take approximately 2 hours to finish. Before diving into the project, please take a look at the course ...
Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...
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