It’s been said that one of the drawbacks to normalization to the third form (3NF) is more cumbersome data extraction due to the greater number of tables. These require careful linking via JOIN clauses. Improper table joining can easily result in erroneous results or even in the dreaded Cartesian Product. In today’s article, Rob Gravelle explores how table joins are achieved in MySQL.
A competition among software bots may foretell a vision of the future for software developers.
Use Powershell to troubleshoot SQL connectivity issues. A way to monitor up-time and connectivity of a SQL server database with some simple Powershell commands.
Rob Farley explains why AT TIME ZONE is his new favourite feature in SQL Server 2016, but also shows that it can make a mess of cardinality estimates.
The SQL Server Error Log is quite large and it's not always easy to view the contents with the Log File Viewer. Greg Robidoux presents an easy way to search and find errors using T-SQL.
This week Steve Jones notes that backups aren't the most important thing for your data. Restores are.
In-memory OLTP was introduced in SQL Server 2014, but greatly improved in SQL Server 2016. If you have a heavily-used transaction-processing that is processing a lot of data, it is definitely worth considering the new 'In-Memory' features of SQL Server 2016. Grant Fritchey explains why.
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?
To demonstrate that dynamic modules in PowerShell can be used to easily create objects with methods and properties, Phil Factor implements an expression analyser written in PowerShell, using a variation of Dijstra's Shunting Algorithm.
If you've ever loaded a 2 GB CSV into pandas just to run a...
By James Serra
What problem is Fabric Ontology trying to solve? For years, most data conversations have...
By Steve Jones
Recently I ran across some code that used a lot of QUOTENAME() calls. A...
Comments posted to this topic are about the item Stairway to Reliable Database Deployment...
Comments posted to this topic are about the item QUOTENAME Quote Parameters
Comments posted to this topic are about the item Limit the Blast Radius
When I use QUOTENAME(), I can optionally provide the character used to surround the string in the result. Can I use any character?
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