SQL/MX 3.x Reference Manual (H06.22+, J06.11+)

Metadata Tables
HP NonStop SQL/MX Reference Manual—640322-001
10-43
Default Attributes
QUERY_CACHE_MAX_VICTIMS Limits the number of
entries that an unusually
large query plan is
allowed to displace from
the cache.
Query Plan Caching on
page 10-70
QUERY_CACHE_REQUIRED_
PREFIX_KEYS
Determines how many
and which columns of a
composite primary or
partition key are required
for an equality key
predicate to be
considered cacheable.
Query Plan Caching on
page 10-70
QUERY_CACHE_STATEMENT_
PINNING
Controls the pinning and
unpinning of query cache
entries.
Query Plan Caching on
page 10-70
READONLY_CURSOR
Controls whether FOR
UPDATE is required for
cursor declarations for
columns to be updatable.
Row Maintenance on
page 10-71
RECOMPILE_ON_
PLANVERSION_ERROR
Determines whether a
statement is recompiled if
its access plan is no
longer valid at run time
due to versioning errors.
Statement
Recompilation on
page 10-74
RECOMPILATION_ WARNINGS
Determines whether a
warning is returned when
a statement is dynamically
recompiled.
Statement
Recompilation on
page 10-74
REF_CONSTRAINT_NO_
ACTION_LIKE_RESTRICT
Determines how NonStop
SQL/MX handles
referential action in
ALTER TABLE and
CREATE TABLE
statements.
Referential Action on
page 10-71
REMOTE_ESP_ALLOCATION
Identifies the scope the
optimizer considers when
determining the active
systems.
Query Optimization and
Performance on
page 10-63
SAVE_DROPPED_TABLE _DDL
Controls whether
definitions of dropped
tables or partitions are
saved, to enable them to
be recovered.
Table Management on
page 10-77
SCHEMA
Default ANSI schema
name.
Object Naming on
page 10-57
Attribute (page 7 of 9) Description Category