After insert trigger - SQL Server 2008 -

-

i have data coming in datastage being put in our sql server 2008 database in table: stg_table_outside_data. ourside source putting data table every morning. want move data stg_table_outside_data table_outside_data keep multiple days worth of data.

i created stored procedure inserts data stg_table_outside_data table_outside_data , truncates stg_table_outside_data. outside datastage process outside of control, have within sql server 2008. had planned on using simple after insert statement, datastage doing commit after every 100,000 rows. trigger run after first commit , cause deadlock error come datastage process.

is there way set after insert wait 30 minutes make sure there wasn't new commit within time frame? there better solution problem? goal data out of staging table , working table without duplications , truncate staging table next morning's load.

i appreciate time , help.

one way take advantage of new merge statement in sql server 2008 (see msdn docs , this blog post) , schedule sql job every 30 minutes or so.

the merge statement allows define operations (insert, update, delete, or nothing @ all) depending on whether source data (your staging table) , target data (your "real" table) match on criteria, or not.

so in case, like:

merge table_outside_data target using stg_table_outside_data source  on (target.productid = source.productid)   -- whatever join makes sense  when not matched     insert values(.......)  when matched      -- nothing

Comments

Post a Comment

Popular posts from this blog

c++ - Convert big endian to little endian when reading from a binary file -

-
this question has answer here: how convert between big-endian , little-endian values in c++? 28 answers i've been looking around how convert big-endian little-endians. didn't find solve problem. seem there's many way can conversion. anyway following code works ok in big-endian system. how should write conversion function work on little-endian system well? this homework, since systems @ school running big-endian system. it's got curious , wanted make work on home computer also #include <iostream> #include <fstream> using namespace std; int main() { ifstream file; file.open("file.bin", ios::in | ios::binary); if(!file) cerr << "not able read" << endl; else { cout << "opened" << endl; int i_var; double d_var; while(!file.eof()) {...
Read more

C#: Application without a window or taskbar item (background app) that can still use Console.WriteLine() -

-
i'm trying create application adheres following: no taskbar no console or form window can utilize console.writeline() . (i.e. if executes app command prompt write console.) the problem if create windows form (or wpf) application can have there no taskbar, console or window show up, console.writeline() nothing. if create console app, writes console, can't figure out how hide (and if did hide it, write command prompt window?)... how do this? just create standard console application. callers responsibility hide window caused program (from how run c# console application console hidden ): system.diagnostics.processstartinfo start = new system.diagnostics.processstartinfo(); start.filename = dir + @"\myprocesstostart.exe"; start.windowstyle = system.diagnostics.processwindowstyle.hidden;
Read more

unicode - Are email addresses allowed to contain non-alphanumeric characters? -

-
i'm building website using `django. website have significant users non-english speaking countries. i want know if there technical restrictions on types of characters email address contain. are email addresses allowed contain english alphabets, numbers, "_", "@" , "."? are allowed contain non-english alphabets "é" or "ü"? are allowed contain chinese or japanese or other unicode characters? email address consists of 2 parts local before @ , domain goes after. rules these parts different: for local part can use ascii: latin letters - z - z digits 0 - 9 special characters !#$%&'*+-/=?^_`{|}~ dot ., not first or last, , not in sequence space , "(),:;<>@[] characters allowed restrictions (they allowed inside quoted string, backslash or double-quote must preceded backslash) plus since 2012 can use international characters above u+007f , encoded as utf-8 . domain part more res...
Read more