Jason (obsolete)

Abandoning this account since the username is an email address that is no longer available and I can't change it here anymore.

Technical Article

UDF: Estimating the size of a table

In database planning and design it is essential to plan out how much HD space you are going to need to store your data. If you use BOL and do a search for "Estimating Table Size" you get three articles: - Estimating the size of a table - Estimating the size of a table with […]

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2006-06-21 (first published: )

514 reads

Technical Article

UDF: Parse a delimited list of paramters

After replying to a post today I thought I'd share this with all.This is a user defined function that I use to return a table of parameters passed in a parameter string. Function UsageSelect * From dbo.fnParseParamString ([@ParamString='Delimited String of parmaters'],[@Delimeter='Delimiting Character'])Lets say you are concatenating a list of form data from a web page […]

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2006-06-13 (first published: )

365 reads

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Question of the Day

Comparing Images

I am building an ETL process between these tables in SQL Server 2022 set to 160 compatibility level:

CREATE TABLE Image_Staging
( imageid     INT NOT NULL CONSTRAINT Image_StagingPK PRIMARY KEY
, imagestatus TINYINT
, imagebinary IMAGE);
GO

CREATE TABLE Images
( imageid       INT NOT NULL CONSTRAINT ImagesPK PRIMARY KEY
, imagestatus   TINYINT
, imagemodified DATETIME
, imagebinary   IMAGE);
GO
I want to run this query to check if the images already loaded exist. This will help me decide if I need to insert or update an image. What happens with this query?
SELECT i.imageid
FROM
  dbo.Image_Staging AS ist
  INNER JOIN dbo.Images AS i
    ON ist.imagebinary = i.imagebinary;

See possible answers