Tag: database-view

Ruby on Rails converting Timescale SQL rate code to Ruby

database-view ruby ruby-on-rails sql timescaledb

I’m trying to use the Rate function from timescale to generate graph data. Right now I have a database view that does this using the concepts from the SQL code below from TimescaleDocs: Is there a way to convert this directly to ruby code in a timeseries model to improve runtime? Answer It’s possible, but I bet building the same

Microsoft SQL Server , view transformation

cross-join database-view join sql sql-server

Is it possible to transform the following view : to this structure ? I’ve tried with cross join but I have no idea how to make a condition based on column name. Answer You need APPLY instead of JOIN to be able to access outer columns

SQL: How to create a database view from tables with OneToMany Relationship?

database-view one-to-many oracle sql view

There are three available tables and columns: Core – EmpID, EmpName 1, Yagga Boshu External – ExternalEmpID, ExternalDeptName 1 , Capegemini Position – EmpID, Dept P/S …