PmDB - license for access to external databases
In the PROMOTIC system there are inbuilt the ODBC, DAO, SQL default interfaces for the access to external databases.
By means of the PmAdo and PmDatabase objects the user has access to databases of several types, for example: dBase, Excel, Microsoft Access, PARADOX, FoxPro, MS SQL Server, MySql, Oracle, etc.
The PmDatabase object enables to perform simple and complex database operations of the type: read/write records, select, sort, etc.
The access to external databases by means of the PmAdo and PmDatabase objects in the application is bound to the purchase of the PmDB license. With the freeware version PmFree, or when developing the application (with development environment for tersting purposes), this component is always functional.
Note: The PmDB
licence is used only for the PmAdo
objects functionality. For writing and reading to/from databases or files by another means, this licence is not needed (e.g. saving the data into the objects PmTrend
, Pm disk/files methods
.. - see Data sharing by files