SQL SERVER update a field for the random number

2010-04-24  来源:本站原创  分类:Database  人气:153 

Will update a field in the database into a random number:

UPDATE UsrA01 SET userpassword = cast (ceiling (rand () * 10000) AS int) WHERE ... ...

相关文章
  • SQL SERVER update a field for the random number 2010-04-24

    Will update a field in the database into a random number: UPDATE UsrA01 SET userpassword = cast (ceiling (rand () * 10000) AS int) WHERE ... ...

  • Remember a complicated sql server xml query field 2011-06-12

    Project has been to use "no sql" sequence into the way the entity is stored in xml format the xml sql server database table field, most recently at last to migrate data, the need to migrate back to the relational data format, and therefore exper

  • SQL Server query table field information 2010-10-17

    SELECT SO.name The table name , SC.name Table column names , SC.colid Index , ST.name Type FROM sysobjects SO, -- Object table syscolumns SC, -- Column name table systypes ST -- Data type table WHERE SO.id = SC.id AND SO.xtype = 'U' -- Type u table ,

  • ORACLE PL / SQL & SQL SERVER T-SQL 2011-09-19

    1, outer join · MS SQL SERVER table to support the connection between the two forms ① inherited from Sybase in the form of: Field 1 Field 2 *= (left join) Field 1 Field 2 =* (right connections) Without this form of full outer join syntax ② standard o

  • Sql Server Data Type Description 2010-08-11

    SQL (Structured Query Language) Structured Query Language, is a database query and programming language, for access to data and query, update and manage a relational database system. Is also a database script file extension. The implementation of SQL

  • SQL Server Database Performance Optimization 2011-01-22

    Affect the SQL Server database performance factors, and SQL Server performance tuning principles, and made a number of guiding principles to optimize database performance. Design an application system does not seem difficult, but in order to optimize

  • Ten Steps to optimize SQL Server Data Access 2011-08-24

    The story begins: You and your team through unremitting efforts, and finally make the site successful on-line, at the beginning, fewer registered users, site performance is good, but with the increase in registered users, access speeds began to slow,

  • Oracle 10g Transparent Gateway access to SQL Server 2008 2010-03-18

    First, download the Oracle Gateways 10gRelease 2 Download address: http://www.oracle.com/technology/software/products/database/oracle10g/htdocs/10201winsoft.html Second, the installation 1. My environment is: Windows Server 2003, Oracle 10.2, SQL Ser

  • SQL SERVER can not connect to the perfect solution 2010-06-01

    This article contains can not connect to SQL Server, reported The Network Adapter could not establish the connection exception causes all encountered, and provides a graphical troubleshooting wizard. But based on experience, there is no possibility t

  • sql server 2000 row into the error column also notes 2010-07-21

    select name From t1 Group By Name So the name can be up Select Name, sum (case when subject = 'language' then score else 0 end) As 'language' From Table 1 Group By Name Using aggregate functions but can be a person because everyone is only one subjec

  • Remove the default constraint sql server generic sql script (transfer) 2010-11-05

    In SQL Server, if a field is set to table a default value, it will generate in the system table sysobjects a default constraint. If you want to delete this field to set the default value (assuming the field name column1), the implementation of "ALTER

  • JDBC with SQL SERVER 2000 1433 port error solution 2011-06-01

    Transfer from (binyao02123202 column): http://blog.csdn.net/binyao02123202/archive/2010/11/04/5986744.aspx If you test the connection when the SQL Server 2000 JDBC Connection Error Error establishing socket. Please refer to the following: Check with

  • Oracle \ MS SQL Server database table associated with multiple and multi-table update update UPDATE 2010-04-06

    http://hi.baidu.com/suofang/blog/item/249c067b40c8def00ad187aa.html An Update update statement is more than one table can not be updated, unless the trigger implicit update. And table update operation, in many cases need to be updated in the referenc

  • Sql server locks, exclusive locks, shared locks, update locks, optimistic locking, pessimistic locking 2010-11-12

    Locks of the two classification methods. (1) From the perspective of the database system is divided into the following three types of locks: Exclusive lock (Exclusive Lock) Exclusive locks lock the resources operate only allows the use of application

  • Sql server lock, exclusive lock, shared locks, update locks, optimistic locking, pessimistic locking 2010-11-12

    There are two classifications lock. (1) from a database point of view of the lock system is divided into the following three types: Exclusive lock (Exclusive Lock) Exclusive locks only lock the resources operate the program to use, any other action i

  • How to determine the sql server database in the image, text, ntext type field is NULL? 2011-01-28

    In sql server, if we use image, text, and ntext types to store data, how to determine whether the field contains the data value? In oracle, we can set the blob types of variables to direct inquiries, and to determine whether its content is NULL, but

  • Random read N records (MySQL.SQL Server.Access.Oracle.postgreSQL) | access 2011-03-30

    From the database using a SQL statement to obtain N random Table table records, the database SQL statement is slightly different, as follows: 1, MySql Select * From TABLE Order By Rand () Limit N The code efficiency is not high, their 1000 data table

  • In Oracle.MySQL.MS SQL Server automatically creates an increase in field 2011-10-15

    Well, today proper way interview questions, how to build self-growth in all the database fields, by the way review about it, recently interviewed a lot of database problems. . . A: Oracle Oracle Create self-growth fields, to build sequences and trigg

  • View the table definition, table, field, sql server 2010-03-10

    SELECT DISTINCT sysobjects.name, syscolumns.colid, syscolumns.name, systypes.name, syscolumns.prec, syscolumns.scale FROM syscolumns, sysobjects, systypes WHERE sysobjects.id = syscolumns.id AND systypes.type = syscolumns.type AND ((sysobjects.type =

  • SQL Server from the increase in zero field 2010-12-18

    Since SQL Server 2005 table by inserting data in a number of fields, from the chaotic growth of the ID number, and delete data, since the increase in the ID and will not return to zero, there are two ways to control the increment of the field: Method