Method to query an embedded database

The solution concerns a method to query a relational database stored on a computer comprising a microcontroller, said database comprising at least a table composed of columns and rows including data accessible via a cursor. The method includes the following steps: Before executing the cursor, declare a cursor by systematically selecting all columns in the table concerned by the cursor, execute the cursor, after execution, select columns using a SEARCH command capable of selecting columns in the cursor result.