Can you explain what JSONB queries are in PostgreSQL?
Sure! JSONB is a binary format for storing JSON data in PostgreSQL, allowing for efficient querying.
How do I create a JSONB column in a table?
You can create a JSONB column using the following SQL: CREATE TABLE my_table (data JSONB);
.
What are some common functions to query JSONB data?
Common functions include ->
, ->>
, and jsonb_each()
, which help extract and manipulate JSONB data.
Can you give an example of a JSONB query?
Certainly! For example, SELECT * FROM my_table WHERE data->>'key' = 'value';
retrieves rows where the key matches.
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