Mysql
VB.NET DataSet doesn't clear
I\'m using the MYSQL .NET connector with an adapter to fill a dataset from a SELECT 开发者_如何学编程statement. Between different SELECT statements I use the DataSet.Clear() function. The Getxml shows[详细]
2023-04-13 06:38 分类:问答how can I delete double entries of different column
with other form i have table like rowsidsource_rowsame_as_row row1118 row2318 row3181 row4183 i want only elimatethe rows3 and row4 :[详细]
2023-04-13 06:31 分类:问答MySQL: LEFT JOIN or UNION table and set column value as column name?
Okay, so I know I might get reamed for even suggesting such a thing, but it has me curious... Let\'s suppose I have a table like:[详细]
2023-04-13 06:30 分类:问答How to insert multiple rows from array using CodeIgniter framework?
I\'m passing a large dataset into a MySQL table via PHP using insert commands and I\'m wondering if it\'s possible to insert approximately 1000 rows at a time via a query other than appending each val[详细]
2023-04-13 06:22 分类:问答MySQL Substring Grab all but last three characters
Basically, I am trying to find 开发者_运维百科the inverse of this command: substring(term, -3).Try this:[详细]
2023-04-13 06:16 分类:问答Filter Search results?
I am not looking for actual code, more like a tutorial that I could reference and adjust for my own purposes or the name of a plugin that will do what I am trying to do. I have looked online and canno[详细]
2023-04-13 06:08 分类:问答Is it possible to use more than one related queries together in MySQL or PostreSQL? [duplicate]
This question already has answers here: 开发者_JS百科Insert into select and update in single query[详细]
2023-04-13 06:06 分类:问答replace while ($row=mysql_fetch_array($res)) loop with for loop
I was wondering how I could replace this loop: while ($row=mysql_fetch_array($res)) by an for loop. I want to know, because on my 开发者_运维百科website, I want to show the data on my website, but th[详细]
2023-04-13 05:48 分类:问答MySql constraints don't work on mysql Ubuntu
I\'ve installed mysql in my ubuntuusing the classic command: apt-get install mysql-server And to my surprise it is a mysql which doesnt respect any constraint i write with \"check\".[详细]
2023-04-13 05:39 分类:问答MySQL: Query to Search All possible words
I have a form with an input box where user can 开发者_Go百科specify their names, names can be two or more words eg John Smith or John Michael Smith.[详细]
2023-04-13 05:32 分类:问答