stat/dbconrec is a SAP Parameter attribute which is used to control Maximum number of DB connection statistic-records information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
Maximum number of DB connections for which statistics records can be
written in a dialog step. The value should not be greater than 230 in a
Unicode system and 260 in a non-unicode system.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.