Where do you find the latest command-line query tool mssql-cli?

The public preview was announced in December last year. Now there is an update.

Read here.

You can download mssql-cli from here:

Using mssql-cli you get to do all this:

    T-SQL IntelliSense

    Syntax highlighting

    Pretty formatting for query results, including Vertical Format

    Multi-line edit mode

    Configuration file support

You can install mssql-cli if you have Python on your computer. For Windows you can install Python from here and make sure it is added to your PATH.

https://www.python.org/downloads/