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2015-03-19

resmgr:internal state change等待

resmgr:internal state change等待 resmgr:internal state change==> session 对应的resource manager plan正在改变中 Hang or similar symptoms when changing resource manager plans during heavy workload activity. On...
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2015-03-19

drop index partition ORA-14076

SQL> select partition_name from dba_ind_partitions where index_name='LOCAL_ONE'; PARTITION_NAME --------------------------------------------------------------------------------------------- EMPLOYE...
#POST 3 MIN READ
2015-03-19

BUG 13931044 - ORA-600 [13009], [5000], [1], [17]

在BUG 13931044 - ORA-600 [13009], [5000], [1], [17]中 相关的语句: SELECT * FROM PART_BRANCH_PC_BATCH_VIEW2 WHERE PAB_BRA_BRANCH_CODE = :B1 FOR UPDATE 也是没有Nested Loop的,但是通过"_nlj_batching_enabled"=false 绕过了该问题...
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2015-03-19

oracle中闪回数据库到还原点的操作

oracle中闪回数据库到还原点的操作 CREATE RESTORE POINT before_clean GUARANTEE FLASHBACK DATABASE; ==>必须保证闪回回复区flashback recovery area有足够的磁盘空间 在standby 上, 注意 操作之前要记得 关闭redo传输 alter database recover managed standb...
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2015-03-19

oracle中以测试为目的人为制造物理坏块的方法

oracle中以测试为目的人为制造物理坏块的方法 SQL> create table maclean_corrupt tablespace users as select * from dba_tables; 表已创建。 SQL> select dbms_rowid.rowid_block_number(rowid),dbms_rowid.rowid_relative_fno(rowi...
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2015-03-19

Oracle ASM ACFS 安装失败问题

Oracle ASM ACFS 安装失败问题 [client(10813644)]CRS-10001:29-Sep-13 14:07 ACFS-9200: Supported [client(7798872)]CRS-10001:29-Sep-13 14:07 ACFS-9300: ADVM/ACFS distribution files found. [client(7798880...
#POST 9 MIN READ
2015-03-16

Oracle到MySQL的模式schema转换迁移conversation/migration

针对来自Oracle的不同的schema元素,是否存在自动转换到MYSQL的可能呢? 这里我们列出了相关的元素的转换情况。 SELECT: 子句 自动转换? 细节 WITH No 使用自定义存储过程来做准备数据,或重写查询以避免with子句 AS No SELECT Yes DISTINCT | UNIQUE | ALL Yes select_list Yes BULK...
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