In SQL the negation of NULL is still NULL. Closes #13967 (grafted from 652d09bb06df8f6387fecf1b099eda2273cb6a04) --HG-- branch : 7.0
############## Account Module ############## The *Account Module* defines the fundamentals needed for basic double entry accounting. It also includes templates for a basic chart of accounts, balance sheet and income statement. .. toctree:: :maxdepth: 2 setup usage/index configuration design/index reference releases