Database Parameters

The table below lists the database parameters and the values that must be set for Oracle Argus Insight.

For those parameters that require a numeric value, the table below lists the minimum value recommended. You may need to increase the value depending on your system configuration and the number of cases. It is the responsibility of the database administrator to monitor the system and adjust the database parameters as necessary.

Table 2-1 Database Parameters for Oracle Argus Insight

Database Parameter Required Value

COMPATIBLE (for Oracle Database 12c)

12.2.0.1 or later

CURSOR_SHARING

EXACT

JOB_QUEUE_PROCESSES

10 (Minimum value recommended)

NLS_LENGTH_SEMANTICS

CHAR

OPTIMIZER_MODE

ALL_ROWS

OPTIMIZER_SECURE_VIEW_MERGING

TRUE

PARALLEL_MAX_SERVERS

Minimum value recommended based on the total number of cases:

  • Small (< 30,000 cases): 16
  • Medium (30,000 to 200,000 cases): 32
  • Large (200,000 to 1,000,000 cases): Default
  • Extra Large (> 1,000,000 cases): Default

PGA_AGGREGATE_TARGET

Minimum value recommended based on the total number of cases:

  • Small (< 30,000 cases): 0.5 GB
  • Medium (30,000 to 200,000 cases): 2 GB
  • Large (200,000 to 1,000,000 cases): 3 GB
  • Extra Large (> 1,000,000 cases): 4 GB

QUERY_REWRITE_ENABLED

TRUE (if computing statistics regularly)

FALSE (if not computing statistics regularly)

SGA_MAX_SIZE

Greater than or equal to the value of the SGA_TARGET parameter.

SGA_TARGET

Minimum value recommended based on the total number of cases:

  • Small (< 30,000 cases): 1 GB
  • Medium (30,000 to 200,000 cases): 2.5 GB
  • Large (200,000 to 1,000,000 cases): 3.5 GB
  • Extra Large (> 1,000,000 cases): 4.5 GB

The 32-bit architecture allows for 4 GB of physical memory to be addressed. DBAs should verify the maximum addressable RAM for their respective architectures.

UNDO_MANAGEMENT

AUTO

WORKAREA_SIZE_POLICY

AUTO

DB_BLOCK_BUFFERS (in MB) / DB_CACHE_SIZE

Leave set to the Oracle default value

DB_BLOCK_SIZE(in bytes)

Leave set to the Oracle default value

QUERY_REWRITE_INTEGRITY

Leave set to the Oracle default value

SHARED_POOL_SIZE

Leave set to the Oracle default value