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, 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, you will learn how to use the ARRAY data type. Store ARRAY data in your table. Learn how to search, insert,