firebird database performance comparison

Whether it is in daily business data processing or import and export of databases, you may encounter insertions that require processing large amounts of data. Insertion speed is affected by both the insert and the database engine, and this article aims to analyze and compare various methods theoretically and practically to facilitate the selection of insertion methods in future applications.Insert AnalysisThe time required to insert a record in MySQL

Python script for testing is as follows :#! /Usr/bin/env Python ''' Performance Comparison of MyISAM and InnoDB By Invalid) Time: 2004-10-22 ''' Import MySQLdb Import sys Import OS Import string Import timec = Nonetesttables = [("MyISAM_NT", None, 0 ), ("MyISAM_TS", None, 1 ), ("INNODB_NA_NB", 0, 0 ), ("INNODB_NA_BE", 0, 1 ), ("INNODB_AU_NB", 1, 0 ), ("INNODB_AU_BE", 1, 1) ] Def BeginTrans (): print "ExecS

Original:. NET batch Big data insert performance analysis and comparisonData insertion is used in the following ways1. Insert data by article2. Splicing SQL statements BULK INSERT3. Splicing SQL statements and using transaction4. Splicing SQL statements and using SqlTransaction5. Using DataAdapter6. Using TransactionScope and SqlBulkCopy7. Using table-Valued parametersThe database uses SQL Server and the sc

Comparison of performance tests on doitphp,thinkphp,yii,ci,doophp and other frameworks Test environment: ? Hardware environment: THINKPAD T61 Notebook Cpu:intel CORE (TM2) DUO T770 Memory: 2G HDD: 320G 7200 Graphics: Integrated Graphics ? Software Environment: Operating system: Win 2003 SP2 PHP Environment: apache/2.2.17 (WIN32) php/5.3.6 Database: MySQL 5.5.1

,' VCOL9 ' varchar (+) DEFAULT NULL,' vcol10 ' varchar DEFAULT NULL,PRIMARY KEY (' id ')) Test tools Lou Fangxin mydbtest (http://www.onexsoft.com/software/mydbtest_linux64.zip) tool, test configuration file Cat DUMPTEST-INSERT.CNF ################################################# OptionUser Test/[email Protected]:3316:testTime 60mLog/dev/nullDeclareVid bigseq 1 10000000000Vstart DATE-10 10VICOL3 int 1 10VICOL4 int 1 100VICOL5 int 1 1000VICOL6 int 1 100000VVCOL7 Char 10 19Vvcol8 Char 10 19Vvcol

Comparison of Character Processing Performance between Node. js and PHP and Python, node. jspython Test Cases are divided into functions and classes for reading a large string of characters one by one. Test code Node. js Function var fs = require("fs");var content = fs.readFileSync("page.html", { encoding: "utf-8"});function chars(content){ var length = content.length; var pos = 0; while(pos ++ Class var f

)) { Tools.makedata (table, count); //messagebox.show ("Data Init OK"); } return table; } public void Insert (Inserthandler handler, string msg) { DataTable table = initdatatable (); if (table = = null) { MessageBox.Show ("DataTable is null"); return; } int recordCount = table.Rows.Count; if (recordCount { MessageBox.Show ("No Data"); return; } int batchsize = 0; Int.TryParse (TxtBatchSize.Text.Trim (), out batchsize); if (bat

comparison | stored Procedure | performance | execution Recently wrote a program to import IP and the region of the list of a plain text file into the database, the first use is to execute the INSERT statement directly with SqlCommand, and then know that SQL Server can optimize the stored procedures, eliminating the time to parse the statement, Faster than using

}, #{item.description,jdbctype=VARCHAR}, #{item.deptid,jdbctype=VARCHAR}, #{item.propertycompanyid,jdbctype=VARCHAR}, #{item.sort,jdbctype=VARCHAR}, #{item.communityid,jdbctype=VARCHAR}) Foreach> ;END ; Insert> Performance Test Results: Order of magnitude Bulk Insert time-consuming (ms) Time-to-insert (MS) 10 50 68 100 197 257 1600 1671

, supports C/C + + or any compatible language, and starts with the 5.7.3 version to support full-text search, PostgreSQL has a similar system but supports more languages, including C + +, Java,. Net, Perl, Python, Ruby, TCL, ODBC, and so on, it can even run user-supplied code in a separate process; In addition to the general information about databases, tables, and columns contained in all relational databases, the PostgreSQL system catalog can also contain data types, Information about function

components (DLL files) for upload, to use this upload method, you must install the Upload Component on the server or register the component on the server. One is to use the uncompiled code class for upload, you can use it without having to register it on the server. There are more than a dozen of these two types of components, such as AspSmartUpload, AspUpload, SA FileUp, LyfUpload, and no component upload class in the environment ...... And so on. Among the many Upload components, I have extra