Storing JSON in Databases: PostgreSQL JSONB, MySQL, and SQLite
Storing JSON in databases: PostgreSQL JSONB operators, MySQL JSON column, SQLite JSON functions, and when to use document storage vs relational.
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Tags: json, database, developer-tools
Storing JSON in Databases: PostgreSQL JSONB, MySQL, and SQLite Relational databases are designed for structured data with known schemas. JSON storage in a relational database introduces schema flexibility — but flexibility always has a cost. Understanding what each database actually does with stored JSON determines whether you are making a good trade-off or creating a performance problem that will surface months later under production load. PostgreSQL: json vs jsonb PostgreSQL offers two JSON column types with a critical difference. stores the input text verbatim, preserving whitespace, key order, and duplicate keys. Every read re-parses the text. Every query over the data requires parsing the entire document. stores a decomposed binary representation. Whitespace is removed, duplicate…
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