Outbound when using Datacombo selected the corresponding number minus one
CodePudding user response:
Database, VB database application, structured query language (SQL combination solution,CodePudding user response:
There are many kinds of schemes,One of the most simple: a table, only for the records are written to the table,
* put in storage, the number of deals is positive;
* outbound, the number of transactions is negative,
Query inventory, by type summary,
CodePudding user response:
The corresponding database is the update for updates