Josiah Faas
Contributor at Data School,
Contributor at Data School
Josiah is a data strategy, BI, and visualization consultant. He brings experience a a practitioner having served many high-profile clients spanning healthcare, banking, and IT. These experiences provide him a unique vantage point on execution, optimization, and user-centric design.
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Author of 5 chapters
Conditional Logic
From Learn SQLLearn how to use CASE WHEN, IIF, and UNION with WHERE to apply conditional logic within a Postgres SQL query
Insert multiple rows
From Learn SQLInsert multiple rows into a table in a single SQL query using Postgres
What is the difference between UNION and UNION ALL
From Learn SQLUNION ALL keeps all of the records from each of the original data sets, UNION removes any duplicate records.
