T-SQL

Technical Article

Function to Return the Amount of Children in a Tree

  • Script

Assuming we have the following table (that stores hierarchical data)  :CREATE TABLE [staff] (    [employee] [int] NOT NULL ,    [employee_name] [varchar] (10) NULL ,    [supervisor] [int] NULL ,     PRIMARY KEY  CLUSTERED     (        [employee]    )  ON [PRIMARY] ,     FOREIGN KEY     (        [supervisor]    ) REFERENCES [staff] (        [employee]    ))I ‘ll built a […]

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2002-08-23

844 reads

Technical Article

Working with email addresses in SQL Server!

  • Article

This article shows you how to design the storage for email addresses, how to validate email addresses, how to retrieve demographic information from email addresses efficiently, using computed columns and indexes. It also covers the security aspect of dealing with email addresses.

2002-08-01

1,340 reads

Technical Article

Concatenate Rows without a cursor

  • Script

You might come accross a situation where you want to retrieve the values of all the rows concatenated and stored in one variable. Here is the solution. Lets say you have a table called tblCustomerOrders which has CustID and OrderID. You now want all the OrderIDs for a particular Customer to be stored in one […]

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2002-07-02

1,093 reads

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The Large Encoded Value

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Question of the Day

The Large Encoded Value

I want to use the new BASE64_ENCODE() function in SQL Server 2025, but return a string that isn't large type. What is the longest varbinary string I can pass in and still get a varchar(8000) returned?

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