You wouldn't be a developer rather than a DBA would you

Be nice. I'm a developer.

You've got two completely identical records in ETable1. While your subquery is correctly retrieving no duplicates, as soom as joi do the join back to Etable1, there's a dup sneaking...

I hate cursors. There's usually a better way....

The way you've written it, if there are multiple rows inserted at once, only one of...

The only way is to match what's in inserted with the real table is on a unique field or a unique combination of fields. SQL has no concept of row...

What's the primary key of the table?

As an aside, the way your trigger is written only caters for single row inserts. Try this

IF EXISTS (SELECT 1 FROM ProductionControl WHERE IRN IN (SELECT...

Note that #myTemp and ##myTemp are two different tables.

I can't see anything obviously wrong.

I recomend you replace the exec(@sql) with print @sql to see exactly what the server's going...

It's hardly undocumented. If you look through the articles on 64-bit SQL (on the MS site) it's quite clear that most of the tools don't have a 64-bit version. The...

Yup. I've got a massive cascade structure in my db. A parent table cascades to 8 child tables, each of which cascades to two more.

I had no joy with indexes,...

In this case, since you don't need to return a value, you can concat the string together and exec it.

SET @sql = 'Update ' + @tbl + ' Set .........

EXEC...

Glad to be of some assistance. I'm from South Africa

Your SQL string should read

SET @sql='SELECT @lvido=lvid FROM ' + @tbl + ' WHERE lvid=''' + @lvid + ''''

You want the variable to be part of the string that...

You seem to be missing the line where you declare the SQL string.

Yup, that'll work too, just a matter of where the variables...

You never give @lvido a value, which means it is null. concat a null into a string and you get a null.

Regardless, I think...

the sql passwords are stored (in encrypted form) in syslogins, which is found in the master database.

Why do you want to use the SQL users table for authentication, not your...

Could you please post the script of your view, tables and constraints. It's easier for people to help if they know exactly what you're doing.