Let’s suppose I have a table my_table with a field named data, of type jsonb, which thus contains a json data structure. let’s suppose that if I run I get so in pretty formatting, the content of column data is I know that If I want to get directly in a column the value of a key (of “level 1”)
Tag: key
Joining two tables on multiple columns and subtracting the value field
I have two tables, Table_A and Table_B both having the same number of columns and structure, without having any unique key in any of them. They have one single value field. I would like to subtract …
Foreign Key constraints missing after phpmyadmin export
I create a table in mysql using the following script: When I export the created table from phpMyAdmin, I obtain the following script So the question are: where is my foreign key constraints? does KEY refer to FK? Seems that the two tables utente and attivita are no longer referenced in the new generated script. where am I doing wrong?