common-table-expression

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Example of CTE to prove it is better than Cursor

I have read that CTE are better than cursor. But I开发者_运维百科 am unable to find the simple clear example which can prove this. I am newbie in Sql Server 2005 and to understand it I need a simple e[详细]

2023-01-30 05:32 分类：问答
convert cte to mysql

i have a recursive cte in mssql which finds all children of a certain node. in db terms: create table nodes ([详细]

2023-01-29 19:58 分类：问答
Modify CTE to reference another field?

I have the CTE below working well in re-cursing an employee table and building an expanded list of the employee id passed to it as well as all direct, and indirect reports.[详细]

2023-01-29 07:20 分类：问答
CTE to Select in Chunks?

I would like to use a SQL Server 2008 (recursive?) CTE to select 1 million rows at a time of a 400 million row table. The results will be written out to a text file, which I 开发者_开发技巧grok but no[详细]

2023-01-29 03:07 分类：问答
Common Table Expression Issue

To calculate clustering coefficient I have created the following query: --calculate embeddedness and local_gatekepping_role_count (for two-way connections)[详细]

2023-01-29 01:48 分类：问答
TSQL A recursive update?

I\'m wondering if exists a recursive update in tsql (开发者_开发问答CTE) IDparentID value ---------- -----[详细]

2023-01-28 00:24 分类：问答
TSQL A problem with categories tree

I have a problem with recursive CTE query Let\'s say that I have that category tree (Category table) In my CTE query, I search for all children of the 1 category:[详细]

2023-01-27 23:54 分类：问答
How to join the result set of Common Table Expression with other existing table in sql server 2005?

I want to join the result set of common table expression with the existing table. The problem arise using the group by clause as given in the following query. Can anyone please tell me how to join tho[详细]

2023-01-24 22:12 分类：问答
Printing tree with SQL CTE

The schema is as follows: CREATE TABLE [Structure]( [StructureId] [uniqueidentifier] NOT NULL, [SequenceNumber] [int] NOT NULL, -- order for siblings, unique per parent[详细]

2023-01-22 08:24 分类：问答
Exiting from recursive common table expression once the result set contains some value

Given the following table: create table TreeNode ( ID int not null primary key, ParentID int null foreign key references TreeNode (ID)[详细]

2023-01-21 00:17 分类：问答