SAP Query、SAP ABAP、SAP BW

SAP Query is a tool within SAP ERP that allows users to create and execute basic reports without the need for programming knowledge. It is used to extract data from SAP modules and display it in a format that is easy to understand.

SAP ABAP (Advanced Business Application Programming) is a programming language used to develop applications on the SAP platform. It is a high-level language that allows developers to create custom reports, interfaces, and enhancements for SAP systems.

SAP BW (Business Warehouse) is a data warehousing and business intelligence platform. It is used to extract, transform, and load data from various sources into a centralized data repository. The data can then be analyzed and reported on using SAP's reporting tools or third-party tools. BW is often used in conjunction with SAP ERP to provide a complete data analysis and reporting solution.