A generated column is a special column that is always computed from other columns. Thus, it is for columns what a view is for tables. There are two kinds of generated columns: stored and virtual. A ...
An index can be defined on more than one column of a table. For example, if you have a table of this form: A multicolumn GiST index can be used with query conditions that involve any subset of the ...
The researcher team designed a blinded retrospective analysis of prospectively collected data from patients who had been treated with a 3-column spinal osteotomy (this was a multi ... reducing ...