begin ,rollback,commit .当然有的人用begin /begin work .推荐用START TRANSACTION 是SQL-99标准启动一个事务。 start transaction;update from account set money=money-100 where name='a';update from acc...
在官网看到了这段信息,讲的很细。 贴过来。Logical Storage Structures Oracle Database manages the logical storage space in the data files of a database in units called data blocks, also call...
数据块恢复总结一、说明1.1、坏块故障现象ERROR at line 1:ORA-01578: ORACLE data block corrupted (file # 7, block # 19846)ORA-01110: data file 7: '+DATA/orcl/datafile/jxc1.270.1010446343’ 1.2、坏块类型...
在官网看到了这段信息,讲的很细。 贴过来。Logical Storage Structures Oracle Database manages the logical storage space in the data files of a database in units called data block...