SQL Server 2000 and 2005 do not include much in the way of financial functions, but there are many sources for the formulas for financial calculations. In this tip, I present the present value (PV) and future value (FV) functions, both of which are scalar UDFs.
2006-10-26
2,458 reads
Every SQL Server developer has a preferred method of doing things; mine is what I call molecular queries. These are queries assembled from atomic queries; by which, I mean that they address exactly one table. By combing atoms, I can create molecules.
2006-10-19
3,998 reads
Optional parameters are easily handled with NULL values in T-SQL, but there are cases where this doesn't always work. Alex Grinberg brings us a new technique to allow your stored procedures to be structured to deal with this situation without dynamic SQL.
2006-10-09
9,137 reads
Is dynamic SQL good or bad? We've had lots of arguments over the years in the forums and articles on both sides of the coin, though with most of the opinions being that dynamic SQL is bad. Stephen Hirsch brings us his own view that beauty is in the eye of the beholder.
2006-09-19
5,840 reads
SQL Server 2005 introducted the OUTPUT clause which we can use to capture values from the inserted and deleted virtual tables.
2006-08-25
4,352 reads
Writing complex queries can be a little tricky, especially when you get into outer joins and inequalities. New author Amin Sobati takes a look at a tricky situation with the "Not Equal To" operator and shows how you can avoid inaccurate results.
2006-08-23
14,856 reads
Do you know how to setup a read-only table in SQL Server. Steve Jones takes a look at a few methods to achieving this and examines the pros and cons of choosing different methods.
2006-08-17
15,429 reads
Numbers are fascinating concepts in all types of mathematics, but they can be very helpful as well in your SQL Server queries. Guru Michael Coles brings us a look at how a numbers table can you and includes a bunch of code for both SQL Server 2000 and SQL Server 2005.
2006-08-14
18,266 reads
A sub-query is a SQL Server statement embedded inside of another SQL Server statement. The database engine treats a sub-query as a virtual table for the execution of the query. A sub-query can be used as a table in a join statement, as a single value in a select statement, in the where clause of a SQL Server query, in the having clause of a SQL Server query, or incorporated in data manipulation statements.
2006-08-07
4,276 reads
SQL Server provides a decent ROUND function to help you cut off numbers after the proper number of decimal points. But what if you don't know how many decimals the number will have? Author Rob Farley brings us a UDF he built to do just this.
2006-07-25
19,736 reads
Redshift keeps its SYS_* monitoring views for seven days in cluster, which is fine...
By Steve Jones
I was updating my session for the Data API Builder (DAB) recently, mostly to...
I am excited to host T-SQL Tuesday for the first time. I want to...
Working with SQL Server can involve more than just writing queries. Understanding database design,...
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I have 3 instances of a brand new long running query that are executing on a SQL Server 2025 instance. Query store is enabled. One of the queries is killed by the administrator, one is cancelled by the user. The other runs to completion. How many rows are in Query Store for this query?
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