If you ever tried to display more than 8000 characters column such as varchar(MAX) column value in SSMS output in text mode then you will quickly realize that you hit the wall. SSMS truncates anything more than 8000 chars (approx.…
How many time you had to t sql date format date specific way such as yyyymmdd ?? Many people don’t know hidden feature of builtin T-SQL CONVERT function . This function can not only convert data types but also change format of dates/numbers.…
Northwind is my favorite database for trying out sample T-SQL scripts because of its simplicity. Here is the full script you can just copy/paste and run in SSMS (for sql server) or SQL Developer (for oracle) to create Northwind database…
Just came across very interesting scenario where I had to consume JSON data in SQL Server. Yes I can write C#/VB.net code and load JSON to SQL Server and go from there but what if I have no expertise in…
Here is simple query which shows simple technique to exclude duplicate records from output. In my example I am selecting only first record from duplicate list based on Primary key. Select * into #tmp1 From( select 1 as id,'aaa' as…
If you ever store HTML or XML text in SQL Table ? Then in many scenarios you need to encode string before storing to database so when you display that text in browser it shows up correctly. Here is small…
If you ever try to update several millions of record in single Update statement then think several times because it can cause real pain. Disadvantage of single Update statement is … Its considered as single transaction and it doesn’t commit…
Here is reusable function which can be used to format SQL dateTime to any format like C# or VB.net DROP FUNCTION dbo.fnFormatDate GO CREATE FUNCTION dbo.fnFormatDate (@Datetime DATETIME, @FormatMask VARCHAR(100)) RETURNS VARCHAR(100) AS BEGIN DECLARE @StringDate VARCHAR(100) SET @StringDate =…
If you ever tried to cast string to XML data type in SQL Server then you may encounter this error select cast(xmldata as XML) from XMLFiles Msg 9402, Level 16, State 1, Line 1 XML parsing: line 1, character 54,…