My first post in Stackoverflow. I am trying to learn Postgresql (12) "on the job" and seem to be stuck on a rather simple issue. I have a simple database with 12 rows. In one column (int) there is a…
I am adding some columns to a table, and want a generated column that combines them together that I'll use for a unique index. When I try to add the column, I get the error ERROR: generation expression is not…
Why is the below code not valid. I have only used immutable columns. Below code is supposed to add a new column to the users table. There are few conditions that needs to meet for the is_valid column to be…
I have a table which has a jsonB column named as emailAddress. An example row in that column is like this: { "[email protected]": { "tags": { "work": true } }, "[email protected]": { "tags": { "work": true } } } I…