MySQL user-defined variables are used to pass values from one statement to another. They are connection specific. Values cannot be created by one client and used by another client. The variables are ...

Exchange-Traded Funds (ETFs) can be tricky to value, because they have the pricing characteristics of both mutual funds and stocks. ETF’s, like mutual funds, contain a market basket of shares of ...

We often read (including in the book Advanced Bash-Scripting Guide by Mendel Cooper) that if we pass variable names as parameters to functions, they will be treated as string literals and cannot be ...