A Solution for the Bin Packing Problem
A detailed description of a technique for the the solution of the Bin Packing Problem, that involves a recursive CTE and Window functions
2020-05-14 (first published: 2020-04-23)
4,057 reads
Alessandro Mortola
A Plunge Into TOP
Introduction TOP is one of the many syntactical operators available in T-SQL and at a first view, it could seem very simple and not particularly interesting. According to the official documentation, it “limits the rows returned in a query result set to a specified number of rows or percentage of rows”. The following is the […]
2019-06-04
4,869 reads
Self SQL Injection
Based on a real fact, this article demonstrates how a bad use of sp_executesql can lead to unpleasant surprises
2018-04-30
1,663 reads
Indexing Foreign Keys
Foreign Keys are one of the fundamental characteristics of relational databases and enforce the referential integrity. Is it a good idea to index a FK relationship? When can it help?
2016-09-16 (first published: 2015-06-29)
14,319 reads
Cardinality Estimator – What’s new in SQL Server 2014
SQL Server 2014 has introduced a rebuilt Cardinality Estimator (CE) with new algorithms. Which are the biggest differences between the new CE and the previous one? Which one works better? Read more to find out.
2015-04-09
6,568 reads
Blogs
Daily Coping 24 Sept 2021
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Using environment variable files for SQL Server in containers
There are a whole bunch of environment variables that can be used to configure...
How to Design Backups in SQL Server?
By nelsonaloor
The Recovery Point Objective (RPO) and Recovery Time Objective (RTO) are basic concepts related...
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