Data Conversion

How to Get SQL Server Data Conversion Horribly Wrong

  • Article

One of the most certain ways of going wrong with any relational database is to get data conversion wrong. Implicit data conversion is a good feature for the expert but can cause a lot of trouble to the unwary. These boil down to seven ways of failing to get data conversion right. Rob Sheldon explains and gives sage advice on how to avoid the problems.

2015-04-20

7,337 reads

Data Conversion in SQL Server

  • Article

Most of the time, you do not have to worry about implicit conversion in SQL expressions, or when assigning a value to a column. Just occasionally, though, you'll find that data gets truncated, queries run slowly, or comparisons just seem plain wrong. Robert Sheldon explains why you sometimes need to be very careful if you mix data types when manipulating values.

2011-01-12

4,537 reads

Database conversion between the most popular DBMSs

  • Article

Today many companies determine to publish their data on the Internet trying to expand their business and make their information more accessible. The IT industry proposes a wide range of original solutions for resolving data inconsistency problems that publishers inescapably face when exporting their data as they need to properly access, process and interchange large amounts of information mainly through the web.

2008-12-30

2,236 reads

Blogs

Synapse Analytics and .NET for Apache Spark Example 4 - JOINS

By

This is a bit of a longer one, a look at how to do...

Recovering Data from a Backup with SQL Data Compare

By

I had a customer recently ask about how to recover data from a backup...

Data Lakehouse defined

By

As a follow-up to my blog Data Lakehouse & Synapse, I wanted to talk...

Read the latest Blogs

Forums

MS SQL Group by

By vizagboy

SELECT YEAR(A.AppointmentDate) AS [Year], ATS.[Description] AS AppointmentSource, MONTH(A.Appointmentdate) AS MonthNumber, COUNT(A.AppointmentID) AS NumberOfAppointments FROM...

Unable to manage subscription.

By Syed_SQLDBA

I am working on troubleshooting an issue with the report server. I am able...

Opaque Encryption - with No Views, or Special SQL

By Vmusic

Hi, I want to encrypt certain columns in various tables in a SQL Server...

Visit the forum

Ask SSC

SQL Server Q&A from the SQLServerCentral community

Get answers

Question of the Day

Strange Code

See possible answers