This chapter describes patch release updates. Upgrades from older versions (e.g. 1.1 or 1.2)
are covered in Appendix C starting at page C. The same is true for upgrades from SQL Ledger 2.6 or 2.8.
The remainder of the chapter discusses the steps to be executed. Please note that the instructions
below mean a window where the application can’t be used during the entire execution of the procedure.