AccessExcel
一。Mysql数据库的安装、建库和ODBC的安装设置Mysql和ODBC驱动可以在其主页(http://www.mysql.com/)下载,在右边的Latest Versions点击进去,下载相应的版本就行了。这里我们要下载Intel版本的Mysql(最新版本为3.23.40),ODBC驱动则是MyODBC 2.50.37 for NT/2000 (full setup),如果使用Win95/98,其驱动是不同的,请注意区分。
然后就可以安装了,Mysql的安装是非常简单的,将它解压到一个目录(C:\mysql),在Win2000中,Mysql可以作为Windows的一个服务运行,在命令行中运行"C:\mysql\bin\mysqld-nt --install",然后在Win2000管理工具的服务中我们就可以发现有Mysql这个服务运行,不过我发现直接运行winmysqladmin.exe也是可以的,这时会要求输入一个密码,这是Mysql的连接密码,请记好,默认的连接是没有密码的(用户为root)。
其后是建立数据库和表,由于要将Access和Excel中的数据都导过来,因此表格中要包括两者的全部字段,这里为简单起见,只选择了其中的一些字段来说明,运行cmd进入到命令行方式,切换到c:\mysql\bin目录,执行"mysqladmin create build",这个命令是创建数据库,build是数据库的名称,成功后,执行“mysql”,进入"Mysql>"的命令行方式下,执行以下的命令:
mysql>use build;
mysql>CREATE TABLE loupan (
id int(10) unsigned NOT NULL auto_increment,
loupantype varchar(6),
inputdate date,
at_whatsection varchar(6),
buildname varchar(50),
buildaddress varchar(50),
room tinyint(4),
hall tinyint(4),
areasize decimal(10,2),
exp_sellprice decimal(13,2),
ownername varchar(20),
contactway varchar(50),
memo varchar(255),
updatestatus char(1),
goodloupan char(1),
PRIMARY KEY (id)
);
接着就会出现Query OK, 0 rows affected (0.04 sec)的成功提示,上文中use build表示切换当前的数据库为build,接着的语句是建表的命令,字段由上至下表示的是id号(自动加1,而且是该表的主键)、楼盘的类型、输入的日期、所在的区域、楼盘的名字、地址、房间的数目、厅的数目、面积、期望售价、业主的名字、联系方式、备注、更新状态、笋盘标志。
接着就是安装Mysql的ODBC驱动了,MyODBC的安装也是傻瓜式的,运行setup,一步步确认。结束后,就可以在控制面板的ODBC数据源中进行设置了,点“系统DSN”,选择“添加”,在驱动程序的列表中选择“mysql”,就会弹出一个配置页面,在Windows DSN Name中输入数据源的名称,这里输入build(还可以输入其它的名称,不一定跟数据库的名字相同),在“MySQL host(name or IP)”中,输入“localhost”,表示Mysql运行在本机上,在Mysql Database Name中输入数据库的名字“build”,User中输入“root”,PassWord中输入刚才设置的密码,如果刚才没有设置的话,留空,按“OK”后,就会在系统数据源中多了一项“build”,这样Mysql的ODBC数据源就设置成功了。

Mastering the method of adding MySQL users is crucial for database administrators and developers because it ensures the security and access control of the database. 1) Create a new user using the CREATEUSER command, 2) Assign permissions through the GRANT command, 3) Use FLUSHPRIVILEGES to ensure permissions take effect, 4) Regularly audit and clean user accounts to maintain performance and security.

ChooseCHARforfixed-lengthdata,VARCHARforvariable-lengthdata,andTEXTforlargetextfields.1)CHARisefficientforconsistent-lengthdatalikecodes.2)VARCHARsuitsvariable-lengthdatalikenames,balancingflexibilityandperformance.3)TEXTisidealforlargetextslikeartic

Best practices for handling string data types and indexes in MySQL include: 1) Selecting the appropriate string type, such as CHAR for fixed length, VARCHAR for variable length, and TEXT for large text; 2) Be cautious in indexing, avoid over-indexing, and create indexes for common queries; 3) Use prefix indexes and full-text indexes to optimize long string searches; 4) Regularly monitor and optimize indexes to keep indexes small and efficient. Through these methods, we can balance read and write performance and improve database efficiency.

ToaddauserremotelytoMySQL,followthesesteps:1)ConnecttoMySQLasroot,2)Createanewuserwithremoteaccess,3)Grantnecessaryprivileges,and4)Flushprivileges.BecautiousofsecurityrisksbylimitingprivilegesandaccesstospecificIPs,ensuringstrongpasswords,andmonitori

TostorestringsefficientlyinMySQL,choosetherightdatatypebasedonyourneeds:1)UseCHARforfixed-lengthstringslikecountrycodes.2)UseVARCHARforvariable-lengthstringslikenames.3)UseTEXTforlong-formtextcontent.4)UseBLOBforbinarydatalikeimages.Considerstorageov

When selecting MySQL's BLOB and TEXT data types, BLOB is suitable for storing binary data, and TEXT is suitable for storing text data. 1) BLOB is suitable for binary data such as pictures and audio, 2) TEXT is suitable for text data such as articles and comments. When choosing, data properties and performance optimization must be considered.

No,youshouldnotusetherootuserinMySQLforyourproduct.Instead,createspecificuserswithlimitedprivilegestoenhancesecurityandperformance:1)Createanewuserwithastrongpassword,2)Grantonlynecessarypermissionstothisuser,3)Regularlyreviewandupdateuserpermissions

MySQLstringdatatypesshouldbechosenbasedondatacharacteristicsandusecases:1)UseCHARforfixed-lengthstringslikecountrycodes.2)UseVARCHARforvariable-lengthstringslikenames.3)UseBINARYorVARBINARYforbinarydatalikecryptographickeys.4)UseBLOBorTEXTforlargeuns


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SublimeText3 Chinese version
Chinese version, very easy to use

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
