The document summarizes the career history of an IT professional, including starting as a COBOL programmer from 1983-1987, working as a support engineer from 1987-1999, consulting as a DB2 for z/OS consultant from 1999-2005, and starting their own consulting company in 2005 to provide database consulting and develop software products. Hobbies mentioned include watching baseball games, overseas traveling, and hiking trips.

2. • Started IT carrier as COBOL programmer
1983-1987
• Support Engineer for CA-IDMS, CA-DATAOM and other
1987-1999 ISV software
• Worked for various customers as DB2 for z/OS
1999-2005 consultant
• Started my own company to provide database
2005-present consulting and develop software products

3. Watching baseball games
Overseas traveling
Hiking trip
Movies and Entertainments

4. NonStop
Kernel
Linux
AS400
z/OS
UNIX
MacOS
Windows

6. LUW Mainframe
Application interface
Master
Insert Update Delete database
(API)
Replica
database
Select Data replication

7. SQL
Hybrid
database

8. Operational Stand by
Master Synchronized Master
(Prime) (Mirror)
Replica Replica
I II
Operational Operational

9. Hub center
Master
Operation center (Mirror) Backup center
Master Replica
Master
(Prime) (Sec)

10. Mainframe
Backup
Disaster recovery
Real-time
Backup Database Security
Administration
DB2 for z/OS
Accounting HR CMS Marketing
DB2 Oracle MySQL Teradata