User Guide
SAP AG November 2002
_ROW_RGNS
The special database parameter [Page 80] _ROW_RGNS denotes the number of critical
regions in which you can check lock collisions in rows.
_TAB_RGNS
The special database parameter [Page 80] _TAB_RGNS denotes the number of critical
regions in which you can check lock collisions in tables.
_TRANS_RGNS
The special database parameter [Page 80] _TRANS_RGNS denotes the number of critical
regions in which you can check lock collisions in transactions [Page 152] simultaneously.
_TREE_RGNS
The special database parameter [Page 80] _TREE_RGNS denotes the number of critical
regions in which you can check lock collisions in B* trees [Page
128] simultaneously.
_UNICODE
The special database parameter [Page 80] _UNICODE determines whether user data and
metadata for database objects is saved in UNICODE [Page
152].
This database parameter cannot be changed once the SAP DB database system is installed.
See also:
SAP DB as UNICODE Database [Page
90] → Installing a UNICODE-Enabled Database
[Page 91]
SAP DB as UNICODE Database
SAP DB can be used as a UNICODE database.
• UNICODE [Page
152]
• Installing a UNICODE-Enabled Database [Page
91]
• UNICODE and SQL [Page
93]
• UNICODE in Programming Languages [Page
96]
User Manual: SAP DB 90










