MySQL bin-log analysis method, mysqlbin-log

MySQL bin-log analysis method, mysqlbin-log Author: Echo Chen (Chen Bin) Email: chenb19870707@gmail.com Blog: Blog.csdn.net/chen19870707 Date: September 9th, 2014 Some time ago, when the game server was suspended, it was always slow.

Tracing datapump sessions, tracingdatapump

Tracing datapump sessions, tracingdatapump Tracing datapump is not straight forward, you can trace the datapump worker (dw00) or datapump master (DM00) with 10046 to get the SQL etc or use the TRACE option in expdp/impdp Where in expdp has an option

IT Ninja Turtles date review, it Ninja Turtles date

IT Ninja Turtles date review, it Ninja Turtles dateCalendar cal = Calendar. getInstance ();Cal. get (Calendar. DAY_OF_MONTH );Cal. get (Calendar. MONTH ); Cal. get (Calendar. YEAR ); SimpleDateFormat simpleDateFormat = new SimpleDateFormat

Oracle (replace + substr) function used in combination, oraclesubstr

Oracle (replace + substr) function used in combination, oraclesubstr select replace('33021622221111',substr('33021622221111',7,4),9527) from dual; How to Use the substr function in oracle SubstrTruncates string functions in

The 15th tip of DB Query Analyzer,

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The 15th tip of DB Query Analyzer,   The 15th tip of DB Query Analyzer ----SQL Execute Schedule function is realized in 6.01 Ma Genfeng (Guangdong Unitoll Services ininitialized ated, Guangzhou 510300)   AbstractThe latest version of DB Query

How much do you know about PreparedStatement?

How much do you know about PreparedStatement?Preface I believe everyone is familiar with the PreparedStatement. Why should I use PreparedStatement? Maybe you will answer PreparedStatement as a pre-processing statement, which can improve the database

[Mongo] install and use PyMongo, mongopymongo

[Mongo] install and use PyMongo, mongopymongoInstall and use PyMongo Here is a simple installation and usage record. First, you must have an available mongo environment, either win or linux environment. Suppose you have some knowledge about mongo

Solve the Problem of 32-bit plsql client connection to a database without 64-bit Oracle11g, plsqloracle11g

Solve the Problem of 32-bit plsql client connection to a database without 64-bit Oracle11g, plsqloracle11gSince I installed 64-bit Oracle, plsql cannot be connected because it is 32-bit. There is a way to connect to the Internet; Download

[MonogoDB] The high update operation of MongoDB, monogodbmongodb

[MonogoDB] The high update operation of MongoDB, monogodbmongodb In the last four blog, we talked about the high query operation of mongodb. Now in this blog let's know about the high update operation about monodb.1. Saveas for save (), whose

Practice: oracle deletes shell scripts for tablespace, oracleshell

Practice: oracle deletes shell scripts for tablespace, oracleshell #! /Bin/bash# Ocpyang@126.com# Drop tablespace If [$ #-ne 1]; thenEcho "Usage: $0 TABLESPACE_NAME"Exit 1Fi # Configure oracle env: about oracle envs, username and password ORACLE_SID

Mysql batch deletes table prefixes or suffixes, and mysql batch deletes tables

Mysql batch deletes table prefixes or suffixes, and mysql batch deletes tables Oracl has the usage of drop table like, but mysql does not. You can write scripts (not to repeat them) or assemble SQL statements. Note: My database name is test and

Mysql uses indexes to optimize order sorting, and mysqlorder

Mysql uses indexes to optimize order sorting, and mysqlorder Original address: http://www.phpthinking.com/archives/433 In the database, we usually perform index operations on some fields, which can improve the data query speed and improve the

Basic MySQL Data Table operation 2: Table Structure View, modification and table operations, basic mysql operations

Basic MySQL Data Table operation 2: Table Structure View, modification and table operations, basic mysql operations 1. view the data table structure 1) view the basic table structure statement DESCRIBE Syntax:DESCRIBETable Name; Example: mysql>

Account alias miscellaneous transaction processing, account alias Transaction Processing

Account alias miscellaneous transaction processing, account alias Transaction ProcessingZookeeper account alias for miscellaneous Transaction ProcessingSELECT mtl_material_transactions_s.nextval INTO orders FROM dual; OPERATOR: = Operator; l_mtl_txn_

PentahoReport Designer getting started tutorial (2), powerdesigner tutorial

PentahoReport Designer getting started tutorial (2), powerdesigner tutorial PentahoReport Designer getting started tutorial (2) Pentaho Report Designer5.1 is the latest version. I. Installation and introduction This section describes how to install

Account alias receiving transaction processing, account alias Transaction Processing

Account alias receiving transaction processing, account alias Transaction ProcessingZookeeper -- Account alias receptionSELECT mtl_material_transactions_s.nextvalINTO l_mtl_txn_itf_rec.transaction_interface_idFROM

Redis for beginners (3) -- using Redis as the cache of Mysql database, redismysql

Redis for beginners (3) -- using Redis as the cache of Mysql database, redismysql After the Mysql result set is cached in the Redis string or hash structure, we are faced with a new problem, such as what these strings or hash names are, that is, how

[Oracle] The oraclepsu upgrade process

[Oracle] The oraclepsu upgrade processThe following is the content in the PSU's readme file: 3.2 Patch Installation Instructions Follow these steps: If you are using a Data Guard Physical Standby database, you must install this patch on both the

Difference between the four ranking functions of SQL and the four ranking functions of SQL

Difference between the four ranking functions of SQL and the four ranking functions of SQL /* The difference between the four ranking functions: RANK () returns the ranking of each row in the partition of the result set. The row ranking is the plus

[Oracle] OPatch upgrade, oracleopatch

[Oracle] OPatch upgrade, oracleopatch During the PSU upgrade, opatch prereq CheckConflictAgainstOHWithDetail-phBaseDir./12419378 Detection Error: Invoking prereq "checkconflictagainstohwithdetail" The location "./9352164/README.html" is not a

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