sql
Accessing 400 tables in a single query
I want to delete rows with a condition from mu开发者_如何学编程ltiple tables. DELETE FROM table_1[详细]
2023-04-13 02:29 分类:问答How do I get a 'combined' ranking of OR phrases using CONTAINSTABLE in SQL Server?
I\'d like to get a \'combined\' ranking of OR phrases with CONTAINSTABLE, but have not had any luck. Basically I\'m seeking functionality for an AND/OR ability.[详细]
2023-04-13 02:26 分类:问答Group by with diff percentage MySQL
I have been trying to query the increase percentage of a product grouped in certain range depending on the actual increase for ea开发者_Go百科ch run.So for example I have the following table schema[详细]
2023-04-13 02:19 分类:问答Securely storing (encrypting) data in an ASP.Net application
I have an asp.net application, accessed by people over the internet using web browsers.It runs on a web server and it talks to a backend database.[详细]
2023-04-13 02:17 分类:问答How to collect and clean database entries with bad emails
So I\'ve been given the task of going through our mailing list and \"cleaning\" the emails which are slightly incorrect (trailing symbols, 开发者_如何学运维random symbols accidentally in the middle of[详细]
2023-04-13 02:16 分类:问答DB2 SQL query to compare 2 schemas
I have been unable to find a solution in my searching for this throughout the web, most responses recommend a tool, which leads me to believe this may be very difficult with an SQL query or something,[详细]
2023-04-13 02:15 分类:问答JOINING comma separated values
I have 2 tables as below: TABLE:CITY CITY_ID CITY ---------------- 1London 2Chicago 3Newyork 4Delhi TABLE:TRAIN[详细]
2023-04-13 02:11 分类:问答Speed up linq query without where clauses
Quick LINQ performance question. I have a database with many many records and it\'s used for a webshop.[详细]
2023-04-13 02:02 分类:问答EF 4.1 code-first: difference between EF generated sql and custom sql
I have a question about sql generated by Entity Framework and the hand-writed one. In my project, I have some entities (they aren\'t important really for this Q), for a simple example, when I use this[详细]
2023-04-13 01:52 分类:问答LIKE clause that will select '2' but not '12' from a string of characters
I have a legacy database that includes a field \'User_Defined\' containing a string describing which projects each record belongs to.The project IDs are comma-separated numbers in that string.For exam[详细]
2023-04-13 01:43 分类:问答