mysql vs sql server

Original address: http://www.cnblogs.com/ginponson/p/5746435.htmlAssuming that this is page pageno, there are pagesize records per page, and now the student table is queried using MySQL, Oracle, and SQL Server paging.Paging Query for 1.MysqlSELECT * from Student -1* pagesize,pagesize;Understanding: (Limit n,m) + starts from the nth line to fetch M Records, n f

First, the principle:Only the table structure and data are migrated, and stored procedures, functions, triggers are rewritten as much as possible and fully tested.Before migrating, set up some parameters of the database, such as default storage engine, default encoding, etc., to facilitate subsequent import.second, the method:1. Using MySQL WorkbenchMySQL Workbench provides the migration Wizard (Database Migration) feature to support the data format o

DBAs should be aware of the use of bitsCN.com for SQL Server trace tags. What is a trace tag? For DBAs, mastering Trace Flag is one of the necessary conditions for them to become masters of SQL Server. In most cases, Trace Flag is just a rare trick, but in many cases, these tags allow you to better control

Label:In a MAVEN project, the packages required to load for SQL and MySQL connections are not the same as those in jdbc.propertiesFor MySQL:Jdbc.properties's wording:Jdbc.driverclassname=-- mysql driver jdbc.url=jdbc\:mysql\://localhost\: 3306 /Workloads?useunicode=truecharacterencoding=utf-8 -- specific database i

user and password ). Second: using system stored procedures Create a sqlserver Database link for sqlserver: Exec sp_addmediaserver 'link _ northsnow ','','Sqlodb', 'remote server host name, domain name, or IP address'Exec sp_add1_srvlogin 'link _ northsnow ','False', null, 'username', 'user password' Create a sqlserver Database link for Oracle: Exec sp_addmediaserver 'link _ ora ', 'Oracle ','Msdaora ', 'Oracle database

1. first, import the Mysql database file to NavicatPremium. 2. click the ExportWizard button to display the interface. Select MSAccessdatabase (*, mdb) 3. next, select Path 4. next, select Append.5. Click Start. The following page appears. 6. there will be one on the desktop. open an mdb file such as SQLServer 1. first, import the Mysql database file to Navicat Premium. 2. click the Export Wizard button to

Joint primary key (joint index) Index Analysis in SQL Server (MySQL) Some people have recently asked this question, but they have not studied the specific use logic of the joint index before. They have read many articles and obtained some conclusions after tests. Test environment: SQL

Tags: Sele article results test data sequentially style str default test environmentRecently, some people have asked this question, has not been to delve into the joint index specific use of logic, consult multiple articles, and tested to draw some conclusions Test environment: SQL Server R2 The test results are similar to the MySQL Federated Index query mechanis

BackgroundWhen using Oracle or other databases, using the LIKE keyword for fuzzy query is commonly used by people, in the use of pure Chinese environment is very easy to use, there are some wildcards can be used, but in a pure English environment, the size of the need to accurately match the problem, the main reason is the problem of string FL like '%{0}% ' and Here like after is a string, so there must be a size-sensitive problem. For example, the following fields of mixed sizeSol

Graphic tutorial on restoring database backup in SQL server 2000, MySQL Database Backup MSSQL is a database management system of Microsoft. This document describes the backup and restoration functions of databases in MSSQL2000. 1. Ensure that your backup file is a bak file and the backup file can be restored normally. 2. Choose "Enterprise Manager"> "Database", s

SQLJDBC Driver PackageHere are the driver packs: http://download.csdn.net/download/u011200062/8361465Next write this:　　　　Connection ct =NULL; Statement SM=NULL; ResultSet RS=NULL; Try{class.forname ("Com.microsoft.sqlserver.jdbc.SQLServerDriver"); String URL= "Jdbc:sqlserver://localhost:1433;databasename= database name"; String User= "SA";//user name and password to log on to SQL ServerString pwd= "123456";//Passwordct=drivermanager.getconnection (UR

1. First install sqlserver2005 or another version. Taking sqlserver2005 as an example, the XP system only supports sqlserver2005 development edition and individual edition 2008. 2. Import the database file backed up by sqlserver to sqlserver2005. SQL for opening an instanceServer Management studio click connection -- Right-click Database -- Select Restore database, and click the option path must be correct. Then go to the Shiyan database and there wi

(MI line,0) asF_mivalue,ifnull (SMT Line,0) asF_smtvalue,ifnull (Air compressor station,0) asF_changepre,ifnull (repair line,0) asF_repairvalue,ifnull (assembly line,0) asF_assemblyvalue from( SELECT MAX(MI line) asMi line,MAX(SMT Line) asSMT Line,MAX(Air compressor station) asAir Compressor station,MAX(Repair line) asRepair line,MAX(Assembly line) asAssembly line from ( SELECT CaseF_name when 'mi line' ThenF_valueEND asmi line, CaseF_name when 'SMT Line' ThenF_valueEN

SQL Server Section1.http://blog.csdn.net/zhyl8157121/article/details/81691722.http://blog.sina.com.cn/s/blog_4ba5666e010178gx.htmlJDBC Driver for SQL Server(1) http://jtds.sourceforge.net/index.html (recommended, open source)Http://blog.chinaunix.net/uid-327166-id-3962367.html(2) http://www.microsoft.com/zh-CN/download

There are two implementations of unique in the ANSI SQL standard1. It is possible to insert multiple null values, which means that multiple null values are considered to be distinct.2, it is only possible to insert a null value, also the main is to say that all the empty values to see the same.In SQL Server | The second standard is implemented in MySQL.Example: (