rebuild wmi

Using WMI in the final analysis is access to WMI classes, and finding the right classes is a key step. I've been worried about not finding the right class and namespace. Do you have such a problem, too? Class hierarchy WMI's classes are organized in namespaces and inheritance hierarchies, and are in a tree-shaped structure. The root of the namespace is root, and there are more than 10 namespaces underneat

This paper uses 10046 events to analyze the difference between ALTER INDEX rebuild and ALTER index rebuild online Alter index rebuild online is essentially a scan table rather than scanning an existing index block to achieve an indexed rebuild Alter INDEX rebuild only scans

WMI has been present for more than 20 years, but many people are not familiar with it. Know it is very good and powerful, but do not know where it comes from, how to work, what is the scope of use? Now I'll talk to you about my understanding ...WMI has a set of APIs. Whether we use VBScript, PowerShell scripting, or a C # access to WMI's class library, it's a set of APIs that

What are the general conditions for refactoring the index1. When the index is based on the table of DML operations frequently, over time, indexing efficiency is lower and higher, so you need to rebuild the index2. When the table is moved to another tablespace, the index to which the table is located becomes invalid and the index needs to be rebuilt Note: DML (manipulation Language) data manipulation language, one of the SQL classifications, DDL (data

Knowing what WMI is, you definitely want to know how to work with WMI. Can it write "Hello world"? WMI isn't that boring, and it's going to ask you "What do you want?" "or" What do you want to change? ”。。。 WMI Tools Windows itself provides several WMI tools for users to us

One of WMI programming: Using WMI in VC After a week of busy work, I finally had some time to write a blog. Now I will talk about How to Use WMI in VC. Next we will build a simple WMI application framework in five steps. Do not forget to include header files and linked library files before writing programs. # Include

Create Table T1 as select * from EMP;Insert into T1 select * from T1;Create index I _empno on T1 (empno );Create index I _deptno on T1 (deptno ); @? \ RDBMS \ admin \ utlxplan SQL> explain Plan for alter index I _empno rebuild; Explained. SQL> select * from table (dbms_xplan.display ); Plan_table_outputBytes ---------------------------------------------------------------------------------------------------Bytes ----------------------------------------

2014-10-04 BaoxinjianI. Summary Index reconstruction is an issue that has been hotly debated. Of course, Oracle has its own views, and many of our DBAs follow this guideline to rebuild the index, which is that Oracle recommends rebuilding the index in 2 scenarios where the index depth exceeds level 4 and the deleted index entry occupies at least 20% of the total number of existing index entries. Recently, Oracle has also put forward some of the

Tags: des style blog http color io os using AR2014-10-04 BaoxinjianI. Summary Index reconstruction is an issue that has been hotly debated. Of course, Oracle has its own views, and many of our DBAs follow this guideline to rebuild the index, which is that Oracle recommends rebuilding the index in 2 scenarios where the index depth exceeds level 4 and the deleted index entry occupies at least 20% of the total number of existing index entries. Rece

1. WMI related development tools WMI Administrative Tools (wmi cim studio, WMI Object Browser) download:Http://www.microsoft.com/downloads/details.aspx? Familyid = 6430f853-1120-48db-8cc5-f2abdc3ed314 displaylang = en 2. References WMI script Getting Started: Part 1 http

When rebuild index VS. rebuild index online create index and rebuild index are used, the No. 4 lock will be applied to the original table, and the No. 3 lock will be applied to obj $ to prevent DML operations on the original table. Create index online and rebuild index online use a new temporary table to modify the ind

Rebuild notes -- remove the value assigned to the parameter, and remove the value from the rebuild. This article is in the study of the summary, welcome to reprint but please note the Source: http://blog.csdn.net/pistolove/article/details/42497857 In the previous article, we introduced "breaking down temporary value changes". This article will introduce the refactoring method of "removing the value of a pa

Vbscript calls WMI to publish a website with one click. vbscript calls wmi with one click. As A. net developer, in the window environment, you have to be familiar with some scripting languages to alleviate some complicated things encountered in daily development, such as automatic website publishing and automatic website publishing. WMI windows Management Program

Rebuild Data Center: "EXCEL export exception", rebuild data center export excel An exception occurred when the data center was restructured and the EXCEL export function was completed. When you run the statement to export an EXCEL file: Exception: Here, I would like to share with you the reason and solution. Please give me more advice! Cause:This exception occurs when the program runs the call transfer ad