ChuckLu - 博客园

2022年6月30日

Kentico lots of log with event code “CREATEOBJ” and “UPDATEOBJ”

摘要：问题 You are right, our customer have written a class inherit CustomTableItem class, which named as EventLogItem. We also have a CustomTable named as Ev 阅读全文

posted @ 2022-06-30 13:50 ChuckLu 阅读(66) 评论(0) 推荐(0)

Kentico There is already an open DataReader associated with this Command which must be closed first.

摘要： System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first.at System.Data.SqlClient 阅读全文

posted @ 2022-06-30 12:09 ChuckLu 阅读(253) 评论(0) 推荐(0)

2022年6月29日

Stairway to SQL Server Indexes

摘要： Stairway to SQL Server Indexes Indexes are fundamental to database design, and tell the developer using the database a great deal about the intentions 阅读全文

posted @ 2022-06-29 00:46 ChuckLu 阅读(50) 评论(0) 推荐(0)

2022年6月28日

Clustered vs Non-clustered Index: Key Differences with Example

摘要： Clustered vs Non-clustered Index: Key Differences with Example What is an Index?An Index is a key built from one or more columns in the database that 阅读全文

posted @ 2022-06-28 23:10 ChuckLu 阅读(79) 评论(0) 推荐(0)

Why use the INCLUDE clause when creating an index?

摘要： Why use the INCLUDE clause when creating an index? 问题 While studying for the 70-433 exam I noticed you can create a covering index in one of the follo 阅读全文

posted @ 2022-06-28 23:07 ChuckLu 阅读(83) 评论(0) 推荐(0)

Back To Basics: Clustered vs NonClustered Indexes; what’s the difference?

摘要： Back To Basics: Clustered vs NonClustered Indexes; what’s the difference? SQL Server has two basics kinds of indexes. They are clustered and noncluste 阅读全文

posted @ 2022-06-28 22:39 ChuckLu 阅读(71) 评论(0) 推荐(0)

When to Use Clustered or Non-Clustered Indexes in SQL Server

摘要： When to Use Clustered or Non-Clustered Indexes in SQL Server Database indexes are used to improve the speed of database operations in a table with a l 阅读全文

posted @ 2022-06-28 21:24 ChuckLu 阅读(46) 评论(0) 推荐(0)

SQL Server: Order of Rows

摘要： SQL Server: Order of Rows 问题 We all know that a simple statement such as: SELECT * FROM stuff;should not produce an ordered result. However, when I tr 阅读全文

posted @ 2022-06-28 21:10 ChuckLu 阅读(42) 评论(0) 推荐(0)

Being Agile vs. doing Agile: What's the difference?

摘要： Being Agile vs. doing Agile: What's the difference? Doing Agile and being Agile, compared The difference between being Agile and doing Agile is akin t 阅读全文

posted @ 2022-06-28 12:08 ChuckLu 阅读(99) 评论(0) 推荐(0)

2022年6月25日

炉石传说佣兵战纪贫瘠之地

摘要：神秘的奶牛 H1-10 https://www.bilibili.com/video/BV1PY411M7ms 先解决一个小怪，降低自然伤害。然后集火boss LT23_825H奶牛王(The Cow King)The Cow King奶牛王After this takes damage, cast 阅读全文

posted @ 2022-06-25 12:39 ChuckLu 阅读(329) 评论(0) 推荐(0)

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