查看DB2数据库连接信息
1，db2ilist：列出DB2所有实例
[db2inst1@localhost ~]$ db2ilist
db2inst1
2，db2 get instance：显示当前实例
[db2inst1@localhost ~]$ db2 get instance
The current database manager instance is: db2inst1
3，db2 list db directory：列出当前实例下的所有数据库
[db2inst1@localhost ~]$ db2 get instance
The current database manager instance is: db2inst1
[db2inst1@localhost ~]$ db2 list db directory
System Database Directory
Number of entries in the directory = 2
Database 1 entry:
Database alias = TAXDB
Database name = TAXDB
Local database directory = /home/db2inst1
Database release level = a.00
Comment =
Directory entry type = Indirect
Catalog database partition number = 0
Alternate server hostname =
Alternate server port number =
Database 2 entry:
Database alias = TAXCTLDB
Database name = TAXCTLDB
Local database directory = /home/db2inst1
Database release level = a.00
Comment =
Directory entry type = Indirect
Catalog database partition number = 0
Alternate server hostname =
Alternate server port number =
4，db2 list active databases：列出当前连接的数据库
[db2inst1@localhost ~]$ db2 list active databases
Active Databases
Database name = TAXCTLDB
Applications connected currently = 5
Database path = /home/db2inst1/db2inst1/NODE0000/SQL00001/
Database name = TAXDB
Applications connected currently = 7
Database path = /home/db2inst1/db2inst1/NODE0000/SQL00002/
5，db2 list applications：列出所有对数据库的连接
[db2inst1@localhost ~]$ db2 list applications
Auth Id Application Appl. Application Id DB # of
Name Handle Name Agents
-------- -------------- ---------- ------------------------------ -------- -----
TAXCTRL db2jcc_applica 421 AC1CFA65.HF9A.130109004513 TAXCTLDB 1
TAXCTRL db2jcc_applica 439 AC1CFA65.I09A.130109004512 TAXCTLDB 1
TAXCTRL db2jcc_applica 435 AC1CFA65.H99A.130109004443 TAXCTLDB 1
TAXCTRL db2jcc_applica 429 AC1CFA65.H89A.130109004442 TAXCTLDB 1
TAXCTRL db2jcc_applica 430 AC1CFA65.H79A.130109004427 TAXCTLDB 1
TAXCTRL db2jcc_applica 453 AC1CFA66.HF82.130109004454 TAXDB 1
TAXCTRL db2jcc_applica 423 AC1CFA66.HC82.130109004426 TAXDB 1
TAXCTRL db2jcc_applica 427 AC1CFA66.HD82.130109004425 TAXDB 1
TAXCTRL db2jcc_applica 424 AC1CFA66.HE82.130109004424 TAXDB 1
TAXCTRL db2jcc_applica 426 AC1CFA66.H982.130109004354 TAXDB 1
TAXCTRL db2jcc_applica 95 C0A82088.P805.130109001447 TAXDB 1
TAXCTRL JDBC4DB2 54 NF000001.J74D.000300370017 TAXDB 1
6，db2 get snapshot for locks on taxdb 查看数据库死锁
[db2inst1@localhost ~]$ db2 get snapshot for locks on taxdb
Database Lock Snapshot
Database name = TAXDB
Database path = /home/db2inst1/db2inst1/NODE0000/SQL00002/
Input database alias = TAXDB
Locks held = 0
Applications currently connected = 7
Agents currently waiting on locks = 0
Snapshot timestamp = 2013-01-09 08:50:17.750528
Application handle = 475
Application ID = AC1CFA66.J782.130109005010
Sequence number = 0001
Application name = db2jcc_application
CONNECT Authorization ID = TAXCTRL
Application status = Connect Completed
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
Application handle = 481
Application ID = AC1CFA66.J582.130109004941
Sequence number = 0015
Application name = db2jcc_application
CONNECT Authorization ID = TAXCTRL
Application status = UOW Waiting
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
Application handle = 461
Application ID = AC1CFA66.J482.130109004940
Sequence number = 0002
Application name = db2jcc_application
CONNECT Authorization ID = TAXCTRL
Application status = UOW Waiting
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
Application handle = 489
Application ID = AC1CFA66.J682.130109004939
Sequence number = 0002
Application name = db2jcc_application
CONNECT Authorization ID = TAXCTRL
Application status = UOW Waiting
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
Application handle = 462
Application ID = AC1CFA66.J282.130109004909
Sequence number = 0006
Application name = db2jcc_application
CONNECT Authorization ID = TAXCTRL
Application status = UOW Waiting
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
Application handle = 95
Application ID = C0A82088.P805.130109001447
Sequence number = 0002
Application name = db2jcc_application
CONNECT Authorization ID = TAXCTRL
Application status = UOW Waiting
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
Application handle = 54
Application ID = NF000001.J74D.000300370017
Sequence number = 0004
Application name = JDBC4DB2
CONNECT Authorization ID = TAXCTRL
Application status = UOW Waiting
Status change time = Not Collected
Application code page = 1208
Locks held = 0
Total wait time (ms) = Not Collected
7. 查看当前连接的是哪个库
db2 get connection state