万物更新
常用视图在12c中已被替换
坏块:v$database_block_corruption ----> v$nonlogged_block
闪回区:v$flash_recovery_area_usage ---
-> v$recovery_area_usage
dg状态:v$managed_standby ---
-> v$dataguard_process;
19c 中不被支持的
参数:
select name from v$parameter where isdeprecated = 'true' order by name;
name
---------------------------------
active_instance_count
asm_preferred_read_failure_groups
background_dump_dest <---------- 10g 常用
buffer_pool_keep
<---------- 偶尔用
buffer_pool_recycle
cluster_database_instances
commit_write
cursor_space_for_time
db_block_buffers
fast_start_io_target
instance_groups
lock_name_space
log_archive_start
parallel_adaptive_multi_user
plsql_debug
plsql_v2_compatibility
rdbms_server_dn
remote_os_authent
resource_manager_cpu_allocation
sec_case_sensitive_logon
serial_reuse
sql_trace
unified_audit_sga_queue_size
user_dump_dest
24 rows selected.
21c开始一些值得注意的不再支持特性:
相关视图、参数也不建议使用:
安全检查的脚本该更新了
参考:
https://docs.oracle.com/en/database/oracle/oracle-database/21/upgrd/behavior-changes-deprecated-desupport-oracle-database.html#guid-3bafd95e-4d00-4f0f-bc80-6064f497f878
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