expdp/impdp用法:tables='table1','table2','table3' 4、是否要导出数据行 exp rows=y,导出数据行,rows=n不导出数据行 expdp content(all:对象+数据行,data_only:只导出对象,metadata_only:只导出数据的记录) Oracle10g提出的数据泵技术,在以下几个方面优于exp/imp命令: 1、数据泵工具运行于服务器端,相比...
2、expdp和impdp是服务端的工具程序,他们只能在oracle服务端使用,不能在客户端使用。 3、imp只适用于exp导出的文件,不适用于expdp导出文件;impdp只适用于expdp导出的文件,而不适用于exp导出文件。 二、exp/imp导入导出方法 exp导入 1.导出整个数据库通用命令: exp 数据库用户名/数据库密码@数据库别名 file=E:\...
Oracle Cloud Infrastructure - Database Service - Version N/A and later Information in this document applies to any platform. Symptoms While attempting to perform a DataPump export, it fails with multiple errors: ORA-31693: Table data object "<SCHEMA>.<TABLE>" failed to load/unload and is bei...
Oracle Cloud Infrastructure - Database Service - Version N/A and later Information in this document applies to any platform. Symptoms You performed a schema export using DataPump utility (expdp). If partitioned IOTs with same name exist in two different schemas, then expdp returns: Processing ob...
4 Oracle Data Pump Legacy Mode 5 Oracle Data Pump Performance 6 Using the Oracle Data Pump API Part II SQL*Loader Part III External Tables Part IV Other Utilities Part V Appendixes A SQL*Loader Syntax Diagrams B Instant Client for SQL*Loader, Export, and Import Index2...
tables with fine-grained access control enabled for inserts Loading tables with a global index on a partitioned table For the export operations described in this section, it is assumed that the user is using Oracle Database Enterprise Edition and the wildcard option with the DUMPFI...
When using conventional methods to move data, Oracle Data Pump uses either external tables or direct path unload to extract data. While the choice between these two access methods is based on the structure and types of the data being unloaded, both methods efficiently extract logical subsets of ...
Oracle Database Administrator's Guidefor detailed information about transporting tablespaces between databases Transportable Tablespace Mode A transportable tablespaceexport is specified using theTRANSPORT_TABLESPACESparameter. In transportable tablespace mode, only the metadata for the tables (and their dependent...
Using a subquery to export partial data. Renaming tables/schemas/tablespaces Calling Data Pump Export program You invoke the Data Pump Export program using theexpdpcommand. The behaviors of the program are determined by the parameters specified either on the command line or in a parameter file. ...
Note that this is different with Oracle10g's Data Pump clients (expdp and impdp). If we have to import one small table from multiple dumpfiles, we only read the headers of the Data Pump dumpfiles, and we read the Data Pump Master Table which is stored in one of the last dumpfiles....