摘要:
Table Variable vs. Temp Table Summary:Local Temporary Tables and Table Variables Feature Table Variable Temp Table Note Table Name Max 128 characters Max 116 characters Data Storage In memory and Temp... 阅读全文
摘要:
USE AdventureWorks ;GOWITH DirectReports(LoginID, ManagerID, EmployeeID) AS ( SELECT LoginID, ManagerID, EmployeeID FROM HumanResources.Employee WHERE ManagerID IS NULL UNION ALL SELECT e.LoginID, e.M... 阅读全文
摘要:
The C# 3.0 language and compiler introduce several new language features. These new language constructs are useful individually in various contexts, and collectively for doing Language-Integrated Quer... 阅读全文