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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED

...he difference is in terms of scope. See READUNCOMMITTED and NOLOCK in the SQL Server documentation here: http://technet.microsoft.com/en-us/library/ms187373.aspx For TRANSACTION ISOLATION LEVEL: http://technet.microsoft.com/en-us/library/ms173763.aspx ...
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What is the difference between synchronous and asynchronous programming (in node.js)

... @JohnGalt the sql runs on a different thread. But of course that depends on the implementation of the sql driver you use. The driver should spawn a new thread, connect to mysql and run the query. Once done, post the result to the event que...
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项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...

...个非常优秀的开源软件,基于.NET Framework2.0 ,使用ASP.NET+SQL Server开发的网站项目, 另外项目中还使用了Microsoft Report Viewer Redistributable 2005和Microsoft ASP.NET AJAX 1.0。 最新版本是:BugNET 0.7.921.0 官方主页:http://bugnetproject.com/ 最新...
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How can I check MySQL engine type for a specific table?

My MySQL database contains several tables using different storage engines (specifically myisam and innodb). How can I find out which tables are using which engine? ...
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Difference between filter and filter_by in SQLAlchemy

...nyone explain the difference between filter and filter_by functions in SQLAlchemy? Which one should I be using? 4 Answe...
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Insert new column into table in sqlite?

...he way: default value can not be added in ALTER TABLE for some fieldtypes: sqlite.org/lang_altertable.html – michel.iamit Sep 9 '13 at 8:00 9 ...
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Create table (structure) from existing table

... Worked for me in MSSQL 2008 R2 – Pyrite Mar 29 '17 at 14:28 1 ...
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When should I use UNSIGNED and SIGNED INT in MySQL?

When should I use UNSIGNED and SIGNED INT in MySQL ? What is better to use or this is just personal prefernce ? Because I've seen it used like this; ...
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa

I'm used to using relational databases like MySQL or PostgreSQL, and combined with MVC frameworks such as Symfony, RoR or Django, and I think it works great. ...
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How do I interpret precision and scale of a number in a database?

... Note that MS SQL Server wouldn't allow 12345 or 1234.56 because "[scale] is substracted from [precision] to determine the maximum number of digits to the left of the decimal point." (source: decimal and numeric) – mo...