2013年11月29日

SQL server performance - tempdb

摘要： When tempdb is used?User objects:User-defined tables and indexesSystem tables and indexesGlobal temporary tables and indexesLocal temporary tables and indexesTable variablesTables returned in table-valued functionsInternal Objects:Work tables for cursor or spool operations and temporary large object 阅读全文

posted @ 2013-11-29 16:41 lpxp 阅读(186) 评论(0) 推荐(0) 编辑

2013年11月25日

Javascript performance

摘要： I just went through some vedio related to javascript performance which is great, Here is the notes I made:Scope management1. Identifier ResolutionEvery time the function is executed, the execution context is created. The scope chain in the execution context stores the objects to be resolved in order 阅读全文

posted @ 2013-11-25 13:56 lpxp 阅读(214) 评论(0) 推荐(0) 编辑

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