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Record the work of the dots: Today I met case 1: On the test machine, the start slave appeared "suspended animation" phenomenon, the database can be connected, Show Processlist: Queue Waiting Master See from the error log: 120831 16:20:59 [

The refresh of materialized views is actually not fundamentally different from normal SQL execution, so you can customize the refresh operation by creating triggers on materialized views. Just two days ago, someone asked me on the blog, if you add

Oracle, platform, Linux, database, Archive,sql Operating system: Linux Redhat 4.7 oracle:10.2.0.1 Main Library: ORCL_PD Prepare library: LGDG A. Logical standby creation Process 1. Create Physical standby Specific reference: Oracle Data

Recently discussed the resumption of a lot of posts, so I also took a discussion, the restoration of the scene is: misoperation delete table, and the control file is also damaged, the discussion is only to thoroughly understand the internal original

  Network already has this function function, is a pure JS implementation, this article introduces the use of jquery implementation, the need for friends can refer to the following The function on the network already has this function, is realizes

Data manipulation language (manipulation Language,dml) includes insert, delete, and update statements for adding, deleting, and modifying data. This article uses the following table Tb_employeeinfo as an example to illustrate: CREATE TABLE

Group Commit and Real Fsync Packet submission and Realtime Fsync During The recent months I ' ve seen few cases of customers upgrading to MySQL 5.0 and have serious performance slow downs , up to the times in certain cases. What was the most

oracle| Stored Procedures | data Selected from CSDN http://search.csdn.net/Expert/topic/2280/2280860.xml?temp=2.169436E-02 forum JCC0128 Netizen's speech Delphi+oracle Report Solution (i) Delphi stored procedures that invoke Oracle (striped return

Control author of the February Microsoft Community Star Microsoft Community Star In programming, you often need to use transactions. A business is a series of operations that must be successful, and all other steps must be undone as long as one

Steps to build a physical standby database on the same machine, the Linux environment Oracle 11.2.0.1 Main Library: ORCL Prepare library: Stby 1 Check if the listening is started 2 Configuring the initialization parameter file for the primary

server| Microsoft Blocking definition =============== Blocking occurs when the first connection from the application controls the lock and the second connection requires a conflicting lock type. The result is to force the second connection to wait

Personal experiments sometimes use large tables, where you can share the dba_objects to create a test large table: First set up the test table Sys@orcl>create table Test nologging as Select RowNum id,a.* from Dba_objects a where 1=2;

Case 3: (Recover tablespace, database open state) --database Recover data files in open state (except system tablespace) (1) Simulation Environment: 06:10:52 sql> INSERT INTO scott.t01 values (4); 1 row created. 06:13:12 sql> INSERT INTO

Background and characteristics of the problem: When we use a multiuser database, we often encounter data update failure, deletion, and so on, if there are multiple users and access to a database at the same time when their transactions use the same

This article describes an example of using a temporary table to resolve table conflicts in Oracle, with an example of creating a temporary table Platform: Windows SP3 server Database: Oracle 9.0.1.1.1 Site Description: Users complain that not

The PE system provides three ways to start custom scripts: Winpeshl.ini, Startnet.cmd, and Unattend.xml. The default interface for the original eco-winpe system is the command prompt window, but you can create a custom Winpeshl.ini file to run your

The server uses the Ubuntu12 64bit, the environment is ruby1.9.3+rails3+mysql, the test is on the windows2003. Upload a ". Gitconfig" file, no problem, upload "Sina Weibo data mining. pdf" error, upload "back.jpg" error. Here are two pieces of

Server In the actual multi-user concurrent access production environment, we often have to keep the data consistent as much as possible. And among themThe most typical example is that we read the data from the table, check the validation, modify

Understanding the source of a transaction I often ask this question in the interview, if there is a global variable, in a transaction to modify the value of the variable, and then the transaction for other reasons rollback, then the value of this

Insert statement Syntax: INSERT into table [(Column1, Column2 ...)] VALUES (value1, value2 ...); Description: INSERT statement inserts a record into the table at a time. When the default field Name list is listed, you should explicitly set the new