1.db2level$ db2levelDB21085I Instance "db2inst1" uses "64" bits and DB2 code release "SQL09050" with level identifier "03010107".Informational tokens are "DB2 v9.5.0.0", "s071001", "SUN6495", and Fix Pack "0".Product is installed at "/opt/IBM/db2/V9.5".

2.db2licm -l 该命令不光能看数据库版本，还能看到相关的license信息。$ db2licm -lProduct name:                     "DB2 Enterprise Server Edition"License type:                     "CPU Option"Expiry date:                      "Permanent"Product identifier:               "db2ese"Version information:              "9.5"Features:DB2 Database Partitioning:        "Not licensed"DB2 Performance Optimization ESE: "Not licensed"DB2 Storage Optimization:         "Not licensed"DB2 Advanced Access Control:      "Not licensed"DB2 Geodetic Data Management:     "Not licensed"DB2 pureXML ESE:                  "Not licensed"IBM Homogeneous Federation ESE:   "Not licensed"IBM Homogeneous Replication ESE: "Not licensed"