dump schema

Dbms_stats Import and Export schema-level statistics are used in Oracle databases using the CBO optimizer mode. statistics are an important basis for CBO to generate the best execution plan. These statistics usually include column-level, table-level,

In Oracle databases using the CBO optimizer mode, statistical information is an important basis for CBO to generate the best execution plan. These statistics usually include column-level, table-level, index, and system-level statistics. All such

Description of how Oracle extracts DDL statements from the Dump file Description of how Oracle extracts DDL statements from the Dump file Commands for Dump files include exp/imp and expdp/impdp. These four commands have been compiled in related

Commands for dump files include exp/IMP and expdp/impdp. These four commands have been compiled in related articles.   Oracle exp/IMP description Http://blog.csdn.net/tianlesoftware/article/details/4718366   Comparison between exp/IMP and

Recently, I joined two project teams, FALABELLA and FM, to support Oracle DB. Because the project is in the development stage, there are always some database replication work. I compared several methods, it seems that the use of EXPDP/IMPDP is not

Commands for Dump files include exp/imp and expdp/impdp. These four commands have been compiled in related articles. Oracle EXP/IMP description Comparison between exp/imp and expdp/impdp and some optimization items in use Oracle expdp/impdp

The Data source schema mode-table entry mode Table entry mode acts as an object in the database table access entry, and one instance handles all rows in the table. can be understood to encapsulate SQL statements that were previously dispersed

Gossip Recent analysis of the problem, found in my environment, often have user-state process abnormal exit, but there is no core file generation, a simple look at the relevant kernel process, mark. Core Dump Fundamentals When the application in

(Linux Study Notes 1: Compressed) [20180209], Study Notes 20180209Study Note 1: compress the file extension by compressing the command at a.m. on April 9, February 5, 2015 *. tar, * .tar.gz ,*. tgz ,*. gz ,*. Z ,*. bz2 common compression commands

Introduction: How to transfer the data in Excel to the relational database, has always been a topic of concern, this paper proposes a solution, that is, using the Apache POI to a certain Excel file to the database table mapping rules to parse the