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 ...

Abstract % We show that codimension one distributions with at most isolated singularities on certain smooth projective threefolds with Picard rank one have stable tangent sheaves. The ideas in the ...