用数据泵impdp往开发数据库导数据，但导入到INDEX时感觉卡住不动了Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX ----查看状态，Completed Objects: 33一直没有变化。 Import> status Job: SYS_IMPORT_FULL_01 Operation: IMPORT Mode: FULL State: EXECUTING Bytes Processed: 843,222,272 Percent Done: 99 Current Parallel...
用数据泵impdp往开发数据库导数据，但导入到INDEX时感觉卡住不动了Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX ----查看状态，Completed Objects: 33一直没有变化。 Import> status Job: SYS_IMPORT_FULL_01 Operation: IMPORT Mode: FULL State: EXECUTING Bytes Processed: 843,222,272 Percent Done: 99 Current Parallel...
Online Conversion of a Non-Partitioned Table to a Partitioned Table in Oracle Database 12c Release 2 (12.2) In previous releases you could partition a non-partitioned table using EXCHANGE PARTITION or DBMS_REDEFINITION in an "almost online" manner, but both methods required multiple steps. Oracle Database 12c Release 2 makes it easier than ever to convert a non-partitioned table to a partitioned t...
问题今天用oracle中使用‘desc tablename’查看表结构的时候，居然报错说‘invalid sql statement’，很奇怪，还以为自己搞错了，后来查资料才知道，‘desc tablename’这种查看表结构的方式只能在命令行模式（比如sqlplus或者pl/sql的命令模式）下才能使用，其他时候很少有命令模式，一般都是通过各种客户端连接的，这些客户端不是命令模式的，而是查询模式，这种情况下，非sql语句的命令是不好使的。解决方法：使用如下语句查询，...