Oracle 5.0 Reference Manual page 507

The size of the persistent buffer used for statement parsing and execution. This buffer is not freed
between statements. If you are running complex queries, a larger
value might be helpful in improving performance, because it can reduce the need for the server to
perform memory allocation during query execution operations.
• [487]
rand_seed1
The [487]
rand_seed1
can be set but not read. They are not shown in the output of
The purpose of these variables is to support replication of the
statements that invoke
are used to seed the random number generator. The slave uses these values to set the session
variables
rand_seed1
generates the same value as on the master.
• [487]
rand_seed2
See the description for
•
range_alloc_block_size
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
Server System Variables
Platform
64
Bit Size
Type
numeric
Default
8192
Range
8192 .. 18446744073709547520
Block
1024
Size
and [487]
rand_seed2
[912], the master passes two values to the slave, where they
RAND()
[487] and
rand_seed2
[487].
rand_seed1
[487]
--range_alloc_block_size=#
range_alloc_block_size
Yes,
range_alloc_block_size
range_alloc_block_size
Global, Session
Yes
Permitted Values (>= 5.0.54)
Platform
32
Bit Size
Type
numeric
Default
4096
Range
4096 .. 4294967295
Block
1024
Size
Permitted Values (>= 5.0.54)
Platform
64
Bit Size
Type
numeric
Default
4096
Range
4096 .. 18446744073709547520
487
query_prealloc_size
variables exist as session variables only, and
SHOW VARIABLES.
RAND()
[487] so that [912]
RAND()
[487]
[486]
[912] function. For
on the slave