查看表空间位置

db2  connect to  sample----连数据库

db2 list  tablespaces

 Database Connection Information

 Database server        = DB2/LINUXX8664 10.5.5
 SQL authorization ID   = DB2INST1
 Local database alias   = SAMPLE

[db2inst1@107-sqlcheck ~]$ db2 list  tablespaces

           Tablespaces for Current Database

 Tablespace ID                        = 0
 Name                                 = SYSCATSPACE
 Type                                 = Database managed space
 Contents                             = All permanent data. Regular table space.
 State                                = 0x0000
   Detailed explanation:
     Normal

list tablespace containers for tablespaceID（表空间id号） show detail 

list tablespace containers for 0 show detail 

[db2inst1@107-sqlcheck ~]$ db2  list tablespace containers for 0 show detail 

            Tablespace Containers for Tablespace 0

 Container ID                         = 0
 Name                                 = /home/db2inst1/db2inst1/NODE0000/SAMPLE/T0000000/C0000000.CAT
 Type                                 = File
 Total pages                          = 20480
 Useable pages                        = 20476
 Accessible                           = Yes

创建buffer pool
db2 create BUFFERPOOL bigbuffer SIZE 4000 PAGESIZE 32K（可取数4k,8K,16K)

创建表空间
db2 "create tablespace newtbs04 pagesize 32k managed by system using ('/home/db2inst1/db2inst1/NODE0000/SAMPLE/T0000001/test.TMP') BUFFERPOOL bigbuffer  "

newtbs04----代表表空间名
pagesize 32k 32可以指定为8k  16k  32k
bigbuffer---代表表空间名

授权
db2 grant use of tablespace newtbs04  to user db2dpmon

修改表EXPLAIN.DDL文件