PostgreSQL Arrays: ANY, Containment, unnest, array_agg, GIN Indexes and When to Use a Junction Table
How to use the PostgreSQL UNNEST Clause, expand array into rows, then Join with another table.
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Part 1: How to use the PostgreSQL ARRAY Data type: search, insert, unnest, search by index.
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Last Updated: October 30, 2026
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Summary
Today we will see how to use ARRAYS, STRUCT & array [1,1,2,3,NULL,4,NULL,5,6,6] creates an array of integers, with some elements being NULL. array_to_string(array [1,1,2,3 ... PostgreSQL arrays on a six-post table and 200000 generated posts in PostgreSQL 16. Writing arrays with ARRAY[...] and '{. In this video, you will learn how to use the ARRAY data type. Store ARRAY data in your table. Learn how to search, insert, In this video, we explore the unpreferred scalar approach to UNNESTing arrays in amzn.to/4aLHbLD You're literally one away from a better setup — grab it now! As an Amazon Associate I earn ... In this video, we'll dive deep into unnesting arrays in