SQL Server 致程序员(容易忽略的错误) http://blog.jobbole.com/83869/ 概述 因为每天需要审核程序员发布的SQL语句,所以收集了一些程序员的一些常见问题,还有一些平时收集的其它一些问题,这也是很多人容易忽视的问题,在以后收集到的问题会补充在文章末尾,欢迎关注,由于收集的问题很多是针对于生产数据,测试且数据量比较...
SET optionsRequired valueDefault server valueDefaultOLE DB and ODBC valueDefaultDB-Library value ANSI_NULLS ON ON ON OFF ANSI_PADDING ON ON ON OFF ANSI_WARNINGS* ON ON ON OFF ARITHABORT ON ON OFF OFF CONCAT_NULL_YIELDS_NULL ON ON ON OFF NUMERIC_ROUNDABORT OFF OFF OFF OFF QUOTED_IDENTIFIER...
Logical CPUs in use by SQL Server This type of latch contention occurs mainly on 16+ CPU core systems and most commonly on 32+ CPU core systems. Schema design and access patterns Uses a sequentially increasing identity value as a leading column in an index on a table for transactional data...
Adding leading zeroes (PADDING in SQL Server) adding new column in my linked server Adding NOT NULL DEFAULT VALUE column to existing table with data Adding of counter column Adding varchar(8) in time format that totals more than 24 hrs in SQL Additional Column With BULK INSERT Adventureworks ...
Introduced in SQL Server 2008 R2 SP1, this hint specifies that the query optimizer use only an index scan operation as the access path to the referenced table or view referenced. The FORCESCAN hint can be useful for queries in which the optimizer underestimates the number of affected rows and...
Pad a hex Number with Leading Zeros Padding in Text Boxes Page_Load called twice. Parallel.ForEach exits before tasks finish Parse / View .eml files in my own app Parsing HTML in vb.net Pass values from TextBox with comma as a decimal separator in number formats passing a path via comm...
elements (such asMI) in a date format model. Without FM, the result of a character element is always right padded with blanks to a fixed length, and leading zeroes are always returned for a number element. With FM, because there is no blank padding, the length of the return value may...
When this parameter is omitted, no proxy server password is provided to the proxy server identified by the http_proxy parameter. http_proxy_user string Specifies the proxy server username for the proxy server identified by the http_proxy parameter. This parameter may only be specified in ...
Leading blanks are ignored. Comma separators, such as the thousands separator in 123,456.00, aren't allowed in the string. Character expressions being converted to money or smallmoney data types can also include an optional decimal point and dollar sign ($). Comma separators, as in $123,...
Microsoft SQL Server 2005技术内幕:存储引擎笔记 目录 f f f f f f f f f f f 第一章sqlserver的安装升级 f f f f 评估版只有120天期限 f 所有版本都集成.net 2.0框架,不需要单独下载 f 每个物理CPU只需要一个许可证,无论单个物理cpu多少线程 ...