DB2 2.2
DB2 2.2
ÏÓÁËÈÊÀÖÈÈ
DBMS,1991, September
Ññûëêà
DBMS,1991, September
ÑÓÁÄ
*.dbf Volume II
Ññûëêà
*.dbf Volume II
ÏÓÁËÈÊÀÖÈÈ
ÊÎÌÏÀÍÈÈ
Mercury Software Systems, Inc.
.RTLink/Plus 4.0
3Dgen Data Dictionary
4D to Mainframe Bridge
4Front
4GL Interactive Debugger
4th Dimension 2.1.1
AD/Cycle
AD/Vance DataModeler
ADW/Workstation
AGS firstCASE
Ññûëêà
AGS firstCASE
ÏÓÁËÈÊÀÖÈÈ
ÊÎÌÏÀÍÈÈ
AGS Management Systems Inc.
AI*EDIT
AI*GEN
ALink
APS Development Center
APT Reporting
Ññûëêà
APT Reporting
ÏÓÁËÈÊÀÖÈÈ
ÊÎÌÏÀÍÈÈ
Advanced Programming Techniques
APT Workbench
Ñòðàíèöû=32
ÎÑ
Îñîáåííîñòè-Ò
DB2 v.2, release 2 is relational SQL-based DBMS that is designed to
exploit the potentional of large-scale mainframes. DB2 features cross-
memory capabilities, expanded storage, multiple address spaces, and abroad
range of high-level support subsystems such as storage and communications
access methods. TSO, CICS, IMS DB/DC, and batch processing can access DB2.
The system can store huge amounts of data including tables containing up
to 64 gigabytes data. A sophisticated query optimizer improves performance.
DB2 offers a number of methods for controlling access to data and programs
including views, authority and ownership privileges, administrative authori-
sation, password protection, and audit trace. DB2 offers a number of features
that guard against subsystems, media, and application failures, and minimize
the downtime of the system. It comes with over a dozen utility programs such
as LOAD,REORG, RECOVER, REPAIR, etc. It provides three locking level to deal
with problems of concurrent access. Version 2.2 provides access to distributed
data accross multiple systems. DB2 conforms with SAA.ÊÎÌÏÀÍÈÈ
ÎÁËÀÑÒÈ_ÏÐÈÌÅÍÅÍÈß
ÎÁËÀÑÒÈ_ÏÐÈÌÅÍÅÍÈß
![[back]](/nkwimg/back.gif)
![[up level]](/nkwimg/up.gif)
![[first]](/nkwimg/fst.gif)
![[previous]](/nkwimg/prv.gif)
![[next]](/nkwimg/nxt.gif)
![[last]](/nkwimg/lst.gif)