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What is the recommended batch size for SqlBulkCopy?
What is the recommended batch size for SqlBulkCopy ? I'm looking for a general formula I can use as a starting point for performance tuning.
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The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value
...zed DateTime, which is set to 0001-01-01, which is outside of the range of SQL Server's DATETIME.
Rather than using ApplyPropertyChanges, I'd suggest retrieving the object being modified, change the specific fields your form edits, then saving the object with those modifications; that way, only cha...
Can I use CASE statement in a JOIN condition?
The following image is a part of Microsoft SQL Server 2008 R2 System Views. From the image we can see that the relationship between sys.partitions and sys.allocation_units depends on the value of sys.allocation_units.type . So to join them together I would write something similar to this:
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What does WISC (stack) mean? [closed]
...or the software/technology bundle/stack representing Linux , Apache , MySQL , PHP . There are a few passing references on the Web that use the acronym WISC to speak of the other (supposedly Microsoft-centric) software/technology bundle/stack in contrast to LAMP. There is, however, no Wikiped...
Easier way to populate a list with integers in .NET [duplicate]
...Q was even capable of stuff like this - I always thought it was mainly for SQL-related queries... Thanks!
– The Coding Cowboy
Feb 7 '11 at 20:54
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Copy data into another table
... to copy/append data from one table into another table with same schema in SQL Server?
9 Answers
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Concatenate multiple result rows of one column into one, group by another column [duplicate]
... 1;
But it's typically faster to sort rows in a subquery. See:
Postgres SQL - Create Array in Select
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正确重置MySQL密码 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
正确重置MySQL密码谁都不想弄丢家门钥匙，但不管多么小心，时间长了，这样的事情总会发生几次。MySQL密码也是一样，把它写在文档上不太安全，记在脑子里又难...谁都不想弄丢家门钥匙，但不管多么小心，时间长了，这样的...
phpcms标签向导有什么用？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...向导
按模型配置来生成GET标签（上图所示）
自定义SQL生成标签（上图所示）
碎片标签（上图所示）
三、管理标签向导
四、如何使用标签
五、常用标签分享
1、调用栏目ID为12的文章，按ID倒序排列，调取5条
{p...
领域驱动设计系列（一）:为何要领域驱动设计？ - 更多技术 - 清泛网 - 专注...
...始使用一些轻量级的数据方法，比如使用Dapper然后自己写SQL语句，这本来是很不错的方式，但是大部分人的SQL能力实在不敢恭维，大部分写出来的SQL语句，甚至比EnityFramework生成的语句还差。
所以，我就想我们做项目，大部分...