I have a table in a database where the _id column is the primary key.If I try to do an insert into开发者_运维问答 this table using an _id that already exists, my application crashes.How can I do this?
There\'s gotta be something small I keep missing here, but I can\'t find it for the life of me. $insert = mysql_query(\"INSERT INTO USERS
I just realized I have a clustered index on a Timestamp in descending 开发者_Python百科order.I\'m thinking about switching it to ascending, so that as new, ever-increasing timestamps are inserted, the
I would like to implement a basic versioning system in a MySQL table. Let\'s imagine a simple table with 2 columns: name (pk) and price. I thought I would simply add a column \'version\' and add it to
I have this xml structure: <Departments> <Department Id=\"a Guid\" IsVisible=\"True\" /> </Departments>
I have an Oracle Express 10g database. In my table I have an auto-generated ID and I would like to know how I can find what the generat开发者_C百科ed ID is after an insert happens. I am currently usin
I am beginning in this issue MVC 2 I hope you can help me. I created a basic model public class RegisterModel
Is this possible if I want to insert some data into two tables simultaneously? But at table2 I\'m just insert selected item, not like table1 which insert all data.
I can\'t understand why does this code fail with segfault: #include <cstdlib> #include <iostream>
this is my code I have: I have read that setting up the CommandText should happen only once and not in a loop... but how do I then get the individually item data from the foreach?
加载中,请稍侯......