These options govern the behaviour of the Intellisense feature of the Run SQL window.
Specifies whether the table-list dropdown will automatically be displayed as the user types.
If this option is switched off, the table-list dropdown will only be shown when the user hits Alt+T.
Specifies whether the column-list dropdown will automatically be displayed as the user types.
If this option is switched off, the column-list dropdown will only be shown when the user hits Alt+C.
Specified the maximum number of items in the intellisense dropdown box. Without a limit, the dropdown could be populated with tens of thousands of table names; this can cause a performance problem.
This allows you to edit the Intellisense keyword file. These keywords are those that appear in the keyword-dropdown of the Intellisense feature.