Th开发者_运维百科e coding is in ASP.NET 3.5. Here is the scenario. I am modifying a page that populates some data.
I have a table that is self referencing, with id, parentid (referencing id), name, ordering as columns.
I am designing a relational database of products where there are products that are copies/bo开发者_JS百科otlegs of each other, and I\'d like to be able to show that through the system.
Let\'s say I have a table called \'species\' with 3 columns: \'Id\', \'ancestorId\' and \'name\'. The \'ancestorId\' is the \'Id\' of the ancesto开发者_开发技巧r specie, so for example if the ancestor
No worries! It looks more complex than it actually is! Just get down to the drinks! TLDR-version: How to efficiently query and update entities having relationships to other entities?
I\'m currently building our Data Warehouse, primarily using Ralph Kimball\'s methods and guidance. We are using the Microsoft stack for this (so SSIS, SSAS).
Basically I have a table that contains hierarchical data. So I have an id column, and a rollup column which points to the id column for each child\'s parent.
is this good way to code breadcrumbs? cr开发者_如何学运维eate table \"categories\" using mysql
I currently have a query that contains a self-join to query all the direct and indirect managers of an employee from a table that stores company organization info using the nested sets model.In this S
I have a table containing hierarchical data.There are currently ~8 levels in this hierarchy. I really like the way the data is structured, but performance is dismal when I need to know if a record at
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