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Parâmetros do Oracle Database
Autora : Ysmaylyka Soares Macedo
Introdução
 SPFILE
• Parâmetro do servidor conhecido como spfile.ora;
• Não é um arquivo editável ;
• Representado como uma versão binaria do arquivo pfile;
 PFILE
• Parâmetro de configuração ;
• Se a instancia do Database não encontra o SPFILE.ora , ira busca o
arquivo PFILE.
Introdução
 A maior vantagem de se utilizar um spfile é a otimização do banco.
 Para alteração usa-se : ALTER SYSTEM SET PARAMETER = VALOR,
usando o SID para o identificador da instancia SID.PARAMETER =
VALOR.
 Caso tenha alterações no spfile todas as instancias subsequentes
também serão alteradas .
 Se não especificar o caminho do pfile_name , o oracle procura no
diretório padrão dos arquivos de parâmetro do seu sistema
operacional . Se não existir , o Database retorna um erro.
Sintaxe
 SQL> CREATE PFILE='$ORACLE_HOME/dbs/pfile.ora' FROM SPFILE;
 Coloque corretamente o caminho do parametro;
Exemplo
 Parâmetros obsoletos do Database Oracle :
active_instance_count
background_dump_dest
buffer_pool_keep
buffer_pool_recycle
commit_write
cursor_space_for_time
fast_start_io_target
global_context_pool_size
instance_groups
lock_name_space
log_archive_local_first
log_archive_start
max_enabled_roles
parallel_automatic_tuning
parallel_io_cap_enabled
parallel_server
parallel_server_instances
plsql_v2_compatibility
remote_os_authent
resource_manager_cpu_allocation
sec_case_sensitive_logon
serial_reuse
sql_trace
standby_archive_dest
user_dump_dest
Bibliografia
 http://docs.oracle.com/cd/B19306_01/server.102/b14200/statement
s_6016.htm
 http://docs.oracle.com/cd/B19306_01/server.102/b14200/statement
s_6008.htm

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Parâmetros do oracle database 01

  • 1. Parâmetros do Oracle Database Autora : Ysmaylyka Soares Macedo
  • 2. Introdução  SPFILE • Parâmetro do servidor conhecido como spfile.ora; • Não é um arquivo editável ; • Representado como uma versão binaria do arquivo pfile;  PFILE • Parâmetro de configuração ; • Se a instancia do Database não encontra o SPFILE.ora , ira busca o arquivo PFILE.
  • 3. Introdução  A maior vantagem de se utilizar um spfile é a otimização do banco.  Para alteração usa-se : ALTER SYSTEM SET PARAMETER = VALOR, usando o SID para o identificador da instancia SID.PARAMETER = VALOR.  Caso tenha alterações no spfile todas as instancias subsequentes também serão alteradas .  Se não especificar o caminho do pfile_name , o oracle procura no diretório padrão dos arquivos de parâmetro do seu sistema operacional . Se não existir , o Database retorna um erro.
  • 4. Sintaxe  SQL> CREATE PFILE='$ORACLE_HOME/dbs/pfile.ora' FROM SPFILE;  Coloque corretamente o caminho do parametro;
  • 6.  Parâmetros obsoletos do Database Oracle : active_instance_count background_dump_dest buffer_pool_keep buffer_pool_recycle commit_write cursor_space_for_time fast_start_io_target global_context_pool_size instance_groups lock_name_space log_archive_local_first log_archive_start max_enabled_roles parallel_automatic_tuning parallel_io_cap_enabled parallel_server parallel_server_instances plsql_v2_compatibility remote_os_authent resource_manager_cpu_allocation sec_case_sensitive_logon serial_reuse sql_trace standby_archive_dest user_dump_dest