主流数据库比较目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc403569028"前言PAGEREF_Toc403569028\h4HYPERLINK\l"_Toc403569029"1.数据库安装对硬件的要求PAGEREF_Toc403569029\h4HYPERLINK\l"_Toc403569030"1.1.OraclePAGEREF_Toc403569030\h4HYPERLINK\l"_Toc403569031"1.2.SQLServerPAGEREF_Toc403569031\h5HYPERLINK\l"_Toc403569033"1.3.MySQLPAGEREF_Toc403569033\h5HYPERLINK\l"_Toc403569034"2.数据类型对比PAGEREF_Toc403569034\h6HYPERLINK\l"_Toc403569035"2.1.Oracle数据类型PAGEREF_Toc403569035\h6HYPERLINK\l"_Toc403569036"2.2.SQLServer数据类型PAGEREF_Toc403569036\h7HYPERLINK\l"_Toc403569037"2.3.MySQL数据类型PAGEREF_Toc403569037\h8HYPERLINK\l"_Toc403569038"3.三大关系型数据库比较PAGEREF_Toc403569038\h10HYPERLINK\l"_Toc403569041"4.应用场景PAGEREF_Toc403569041\h13HYPERLINK\l"_Toc403569043"4.1.Oracle的一般应用PAGEREF_Toc403569043\h13HYPERLINK\l"_Toc403569047"4.2.MySQL的应用场景PAGEREF_Toc403569047\h14HYPERLINK\l"_Toc403569049"4.3.SQLServer的应用PAGEREF_Toc403569049\h14HYPERLINK\l"_Toc403569051"5.MongoDB-非关系型数据库PAGEREF_Toc403569051\h14HYPERLINK\l"_Toc403569052"5.1.MongoDB的应用场景PAGEREF_Toc403569052\h14HYPERLINK\l"_Toc403569053"5.2.MongoDB与MySQL性能比较PAGEREF_Toc403569053\h15HYPERLINK\l"_Toc403569054"5.2.1.测试目的PAGEREF_Toc403569054\h15HYPERLINK\l"_Toc403569055"5.2.2.测试环境PAGEREF_Toc403569055\h15HYPERLINK\l"_Toc403569056"5.2.3.测试结果1：插入速率PAGEREF_Toc403569056\h15HYPERLINK\l"_Toc403569057"5.2.4.测试结果2：插入稳定性PAGEREF_Toc403569057\h17HYPERLINK\l"_Toc403569058"5.2.5.测试结果3：读取性能测试PAGEREF_Toc403569058\h18HYPERLINK\l"_Toc403569059"5.2.6.测试结论PAGEREF_Toc403569059\h20HYPERLINK\l"_Toc403569060"5.3.MongoDB的优势和缺陷PAGEREF_Toc403569060\h21HYPERLINK\l"_Toc403569061"5.3.1.MongoDB的优势PAGEREF_Toc403569061\h21HYPERLINK\l"_Toc403569062"5.3.2.MongoDB的缺陷PAGEREF_Toc403569062\h21前言数据库流行度排行榜来自于美国数据库知识网站DB-engines,在本月（2014-10）的榜单中，前三甲依然是Oracle、MySQL和MicrosoftSQLServer。前十名中文档型数据库MongoDB和列式数据库Cassan