Parameter Removal List for Oracle Database 19c

 egrep -i '_kks_use_mutex_pin|_shared_pool_reserved_min_alloc|_sqlexec_progression_cost|exafusion_enabled|exclude_seed_cdb_view|global_context_pool_size|max_enabled_roles|o7_dictionary_accessibility|olap_page_pool_size|optimizer_adaptive_features|optimizer_features_enable|parallel_automatic_tuning|parallel_degree_level|parallel_io_cap_enabled|parallel_server|parallel_server_instances|plsql_compiler_flags|plsql_native_library_dir|plsql_native_library_subdir_count|plsql_optimize_level|standby_archive_dest|timed_statistics|use_indirect_data_buffers|utl_file_dir' init19c.ora

++++++++++++

 Parameter Removal List for Oracle Database 19c

If they exist, you should remove the following parameters from your database initialization parameters file for Oracle Database 19c.

Note: Parameters may appear on a "removal list" because they are obsolete; because the default value is required and no other value may be set; or to cater for certain special cases where a non-default value has to be set to meet specific needs (currently, there is only one such case, which is described in Section 6).

_kks_use_mutex_pin
_shared_pool_reserved_min_alloc
_sqlexec_progression_cost
exafusion_enabled
exclude_seed_cdb_view
global_context_pool_size
max_enabled_roles
o7_dictionary_accessibility
olap_page_pool_size
optimizer_adaptive_features
optimizer_features_enable
parallel_automatic_tuning
parallel_degree_level
parallel_io_cap_enabled
parallel_server
parallel_server_instances
plsql_compiler_flags
plsql_native_library_dir
plsql_native_library_subdir_count
plsql_optimize_level
standby_archive_dest
timed_statistics
use_indirect_data_buffers
utl_file_dir