Oracle 数据文件迁移
SELECT file_id, file_name FROM dba_data_files where file_name like '%system%' ORDER BY file_id; ALTER DATABASE MOVE DATAFILE '/oracle/D88/sapdata1/system_1/system.data1' TO '/oracle/D88/sapdata7/system_1/system.data1'; SELECT file_id, file_name,STATUS,TABLESPACE_NAME FROM dba_data_files where file_name like '%sysaux%' ORDER BY file_id; ALTER DATABASE MOVE DATAFILE '/oracle/D88/sapdata1/sysaux_1/sysaux.data1' TO '/oracle/D88/sapdata7/sysaux_1/sysaux.data1';
oracle 参数调整（PGA/SGA）
sga_max_size 24G ==>39G 39 ==>49 db_cache_size 19G ==>29G 29 ==>39 shared_pool_size 4G==8G 8 ==>10 pga_aggregate_limit 6G ==>12G 12==>18G pga_aggregate_target 3G ==>6G 6 ==>9G alter system set sga_max_size= 17408M scope=spfile; alter system set shared_pool_size=5G scope=spfile; alter system set db_cache_size=11G scope=spfile; alter system set sga_max_size= 14496M scope=spfile; alter system set shared_pool_size=4G scope=spfile; alter system set db_cache_size=9728M scope=spfile;
查看index
set linesize 300 col COLUMN_NAME for A50 col OWNER for A10 col INDEX_NAME for A30 col TABLE_NAME for A30 SQL> select OWNER,INDEX_NAME,TABLE_NAME,UNIQUENESS from dba_indexes where TABLE_NAME='SMSCMAID'; OWNER INDEX_NAME TABLE_NAME UNIQUENES ---------- ------------------------------ ------------------------------ --------- SAPR3 SMSCMAID~0 SMSCMAID UNIQUE SAPR3 SMSCMAID~A01 SMSCMAID UNIQUE SQL> select TABLE_NAME,INDEX_NAME,COLUMN_NAME from dba_ind_columns where TABLE_NAME='SMSCMAID'; TABLE_NAME INDEX_NAME COLUMN_NAME ------------------------------ ------------------------------ -------------------------------------------------- SMSCMAID SMSCMAID~A01 MANDT SMSCMAID SMSCMAID~A01 SCHEDULERID SMSCMAID SMSCMAID~0 MANDT SMSCMAID SMSCMAID~0 ID