I am new to web development, so be patient please
I am working with a tab navigation system. It happens to be bootstrap, but this question is not specific to bootstrap. There are four tabs; for the sake of simplicity we will call them tabs "A", "B", "C", and "D." I have a single SQL table and one of the columns --we will call it "Letter"-- identifies each row with one of the four letters. When a user clicks on "A" tab, they should see all the rows where "Letter" = "A". The same for tabs "B", "C", and "D."
Right now I am running four separate queries, one for each tab. This seem