Question: what is cics control table rct?
Answer: RCT—CICS DB2 resource control table. The resource control table (RCT) controls the CICS® DB2® interface. RCTs must be migrated to online resource definitions in CICS Transaction Server for OS/390®, Version 1 Release 3. ... The RCT can be defined using the DSNCRCT macro to produce a macro table.