What is "jsonb"

This tag must be linked to who uses the type JSONB for recording and consulting in Database. The practical difference between JSON and JSONB: Data in JSON are recorded in their entirety, with exact copy of the text. While JSONB is recorded in a decomposed binary data, which slows it down for recording but faster in process due to this conversion. JSONB in Database also accepts indexing.

Type definition in Postgres