i am creating a web application that contains 4 important id\'s and to speed up identification of which auto incremented id is for开发者_StackOverflow what
This mysql table has an autoincrement field. I want to duplicate some rows. I thought I will use a temporary table:
unique_id | master_id | othercolumns If unique_id is a 开发者_如何学Ccolumn with auto increment, is there a way to have the column master_id default value be the unique_id when inserting a new recor
Ok, the problem is pretty straightforward - I am reading words from the input stream, the words may repeat. I need to populate a map so that all the words get indices from 0 to n-1.
I have a lot of tables and because of some reasons I need to adjust auto increment value for this tables on application startup.
I have declareted the fallowing Mapping for NHibernate: <class name=\"Sales\" table=\"Sales\" lazy=\"false\">
I have defined a function that generates ID. I need to increment the numbers every time I call the function.
The only开发者_C百科 way I know is show create table MyTableSHOW TABLE STATUS LIKE \"tablename\";
#include<stdio.h> int开发者_StackOverflow社区 main(int argc,char *argv[]) { int i=10; void *k;
I am using the Informix.NET driver (C#) to insert a row into a database table. This works fine, except I have no idea how to get the ID of the last inserted row:
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