At the top of the filter window are drop-downs that relate to the column, the operator, and an area where the value can be entered. Selecting the + icon adds this clause to the end of the filter.
Filter expressions are very similar to SQL WHERE clauses. You can enter text that refers to column names and uses operators to compare with other columns or static values. Filter expressions also support combinational logic using AND/OR.
[Size] > 50000
[DateModified] BETWEEN '2017/01/01' AND '2017/02/01'
[CustomerName] LIKE 'Fred%' AND [OrderComplete] != 1
|>=||Greater Than Or Equal To|
|<=||Less Than Or Equal To|
|!>||Not Greater Than|
|!<||Not Less Than|
|LIKE||Value matches SQL-style string pattern|
|NOT LIKE||Value does not match SQL-style string pattern|
|BETWEEN||Value falls between [x] and [y]|
|NOT BETWEEN||Value does not fall between [x] and [y]|
|IS NULL||Value is null|
|IS NOT NULL||Value is not null|
AND/OR can be used to combine expression clauses, and parenthesis can be used to group clauses.
[a] = 5 AND [b] = 2 AND [c] = 9
[a] > 1 AND ([b] > 10 OR [c] > 20)
Static value formatting
Values are formatted as they would be in SQL. Strings, GUIDs and Date/Time values are enclosed in quotes, boolean values are 0 or 1 and numeric values are represented naturally.