unique
Unique URL for search optimization
Currently my website formats url this way: http://www.filmitem.com/film/f152/ This page is already indexed by google and others.[详细]
2023-03-25 06:39 分类:问答Find out whether a table has some unique columns
I use SQL Server. I\'ve been handed some large tables with no constrains on them, no keys no nothing. I know some of the columns have unique values. Is there a smart way for a given table to find the[详细]
2023-03-25 00:59 分类:问答Android Resource ID
Must the resource ID\'s for views in XML layouts be unique across all layouts? For example, I\'m working on a little recipe manager app. I have a layout file for adding a new ingredient. In this lay[详细]
2023-03-24 22:48 分类:问答How to select unique rows from one to many relationed tables in MySQL?
As MySQL-Noob I am struggeling to solve the fol开发者_Go百科lowing task: Assuming 3 tables: location groceries and person with the following properties:[详细]
2023-03-24 15:49 分类:问答create a unique tracking code [duplicate]
This question already has开发者_运维知识库 answers here: Closed 11 years ago. Possible Duplicate:[详细]
2023-03-24 04:44 分类:问答Identifying sets of linked IDs in SQL Server
I have a simple table that looks like this: ClientIDItemID 11 12 13 21 22 33 43 51 52 54 55 where both columns combine to be the primary key. I am now tasked with identifying all the unique sets of[详细]
2023-03-23 18:47 分类:问答C# - Generate "identity" like Id's with NoSQL (MongoDB)?
I\'ve been using MongoDB with C#, and have been using ObjectIds, then later GUIDs for my Entity Ids.I hate looking at these Id\'s, I think it\'s counter intuitive... I\'d really like to be able to use[详细]
2023-03-23 06:12 分类:问答Multiple unique in mysql not supporting NULL
ALTER TABLE admins ADD CONSTRAINT uc_EmailandDeleted_at UNIQUE (email,deleted_at); I have changed my table to work as this:[详细]
2023-03-23 04:34 分类:问答Generate a UNIQUE ID like Youtube's Playlist - PHP
I have read this tutorial many times, finally, i finished to create my own unique id like Youtube. But i can\'t find out how to create this kind of unique ID:[详细]
2023-03-22 23:09 分类:问答How to check if any of the Objects have the same data for the same field?
Is there a sweet irb line of code that could check is any of the Object\'s have the same data in their field?[详细]
2023-03-22 20:41 分类:问答