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The Challenge of Adding a Column in the Middle of a PostgreSQL Table

Explore the complexities of adding columns in PostgreSQL and its data storage structure.

PostgreSQL presents unique challenges when adding columns compared to MySQL. Users often attempt to insert a column in the middle of a table, but PostgreSQL only allows columns to be appended at the end. This limitation stems from the way PostgreSQL manages data storage, where column order impacts physical layout, identity, and logical position.