SAP has three different types of tables: Pooled tables, direct tables, and clusters. Pooled tables pool together several smaller lists and lookups into one table. The format of the pooled tables is basically Cobol Record structure. SAP Pooled Table Viewer uses the SAP data dictionary to create Oracle views that allow easy querying of the SAP data. This makes it easier to integrate with SAP systems where you can use database connectivity and bypass the need for ABAP.