Sql Quantum Leap

Add support for SQLCMD commands, such as: - `:r` - `:Setvar` - `[:] RESET` - `[:] !!` - `[:] QUIT` - `[:] EXIT` - `:List` - `:Listvar` - `:Error` -...

Allow substitution of `$(var_name)` variable. This also requires handling: - `-v` command-line switch - `:setvar` SQLCMD command - checking all 3 levels of environment variables - `-x` ignore scripting variables...

Batch parsing should be able to handle the following cases: 1. single, single-line block comment: ``` /* comment */ GO ``` 2. single, multiple-line block comment: ``` /* comment line...

By default in SQLCMD and SSMS, errors do not abort the current batch or cancel any remaining batches. The following, run in either of those, will return all four result...