Indenting SQL statements in Interactive SQL
 Change the indentation of SQL statements
  1. Select the text in the SQL Statements pane that you want to indent. If no text is selected, the indentation is applied to the current line.

  2. Press Ctrl+Period (.) to add or increase indentation.

    Press Ctrl+Comma (,) to remove or decrease indentation.

 Change the number of spaces that are indented
  1. Click Tools » Options » Editor » Tabs.

  2. Type a new number in the Indent Size field.