随笔分类 - # Asktom专栏
摘要:tom大神写了一个用于查看Oracle数据库对象空间使用情况。 下面演示一下如何使用: –工具源码 CREATE OR REPLACE PROCEDURE show_space(p_segname IN VARCHAR2, p_owner IN VARCHAR2 DEFAULT USER, p_ty
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摘要:原文:http://www.oracle.com/technetwork/issue-archive/2013/13-jan/o13asktom-1886639.html I am using SQL Loader to load data into tables from a flat file.
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摘要:原文:http://www.oracle.com/technetwork/issue-archive/2013/13-jan/o13asktom-1886639.html I have a question about joining with collections and cardinality
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摘要:关于动态抽样(Dynamic Sampling) 原文:http://www.oracle.com/technetwork/issue-archive/2009/09-jan/o19asktom-086775.html 本文将回答:什么是动态抽样?动态抽样有啥作用?以及不同级别的动态抽样的意思? 1
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摘要:原文: http://www.oracle.com/technetwork/issue-archive/2009/09-may/o39asktom-096149.html oracle中约束(constraints)是如何影响查询计划的 通常人们认为约束只是和数据完整性有关,没问题。但是约束也被优化
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摘要:Comparing the Contents of Two Tables A表和B表。拥有一致列,C2一列内容不同。 I have two tables named A and B. They have identical columns and have the same number of ro
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摘要:Selective System Grants 问题: 我只想授予XX用户alter system set user_dump_dest 权限! I want to give users the ability to execute "alter system set user_dump_dest"
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摘要:All about Security - SQL Injection 最近做个一个有关ORACLE数据库安全的网上研讨。我们有1300多位参与者,反馈相当丰富。 I recently did a web seminar on Oracle Database Security (you can see
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