CKMLLAPP is a standard SAP Table which is used to store ML Activity Types: Period Records data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The CKMLLAPP table consists of various fields, each holding specific information or linking keys about ML Activity Types: Period Records data available in SAP. These include KALNR (Cost Estimate Number for Cost Est. w/o Qty Structure), BDATJ (Posting Date YYYY), POPER (Posting period), UNTPER (Value Structure Type)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .