The set of rules that define the combinations of symbols that are considered to be correctly structured for that language.

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2answers
6k views

What is the easiest way to move data from Oracle to SQL Server?

One of our products supports both Oracle and SQL Server as database backend. We have a customer who wishes to switch from an Oracle backend to Microsoft SQL Server, which isn't a typical transition ...
21
votes
3answers
3k views

Performance difference for COALESCE versus ISNULL?

I've seen a lot of people use the COALESCE function in place of ISNULL. From internet searches, I've found that COALESCE is ANSI standard, so there is an advantage that we know what to expect when ...
4
votes
1answer
793 views

Syntax of INNER JOIN nested inside OUTER JOIN vs. query results

TLDR; If you look at the 2 execution plans, is there an easy answer to which is better? I purposefully did NOT create indexes so it's easier to see what's happening. Following up on my previous ...
4
votes
2answers
838 views

SQL Server 2005 : How to use pivot instead of a bunch of case statements?

Please show me how I can modify this SQL select to use pivot instead of all the case statements. SELECT t.ProjectId, COALESCE(MAX(ExecutiveChampion), 'n/a'), ...