I have a users table and a column supervised_by where I want the id of the user who created the new user. For example: get the id of the admin in supervised_by column of the user the admin creates. users…
I have two tables I need to join these table and there is a possibility that joined table might return duplicate rows but there is column updated date which will be unique so I need to fetch record from these…
I have a question: we have a table that has (among other stuff) a couple of IP/port pairs that I would like to be globally unique to avoid crosstalk in streaming binaries that use this configuration. Assume a table as…
I want to do a to do list app. I use Sqflite in my project. Widget ` return FutureBuilder( future: databaseTrans.getTables(), builder: (context, snapshot) { if (snapshot.data == null) { return taskBookErrorWidget(context); } else { return GridView.count( crossAxisCount: 3, children:…
Description So, I'm working on a project that stores sensor measurements from multiple devices in PostgreSQL+TimescaleDB database. The structure of the table (hypertable): column_name type comment identifier text device identifier key text name of the metric value_num double precision numeric…
I have two tables, user: id full_name is_admin 1 jane 0 2 Helio 0 3 fran 0 4 mila 0 5 admin 1 approver : id subordinate_id approver_id 1 1 2 2 3 4 and I would like to perform…
I have two tables: restaurant | id | name | | -------- | -------- | | | | food_item | restaurant_id | name | price | | -------- | -------- | ----- | | | | | | | |…
I'm doing a project; I have to update a table with dynamic values from a script. My table schema, that could be wrong is: Structure of my datasbase Structure of the table I am working with I am trying to…
I have 6 data in database record but I want to get last 3 data this is my data : criteria_id criteria_name 1 A 2 B 3 C 4 D 5 E 6 F i have tried with this code…
in the example data set above, I want to assign a Primary_Store for each buyer_id based on the following criteria if one store has more visit counts than any other store for that buyer, assign as primary if no, then…