SQL SERVER – Generate Random Values – SQL in Sixty Seconds #042 – Video

Though it looks simple it is very difficult to generate random numbers which one can’t guess. There are many different ways to generate random values in SQL Server. I have previously blogged about it over here where I have demonstrated five different methods to generate random values in SQL Server.…
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SQL SERVER – Fix: Error: 1505 The CREATE UNIQUE INDEX statement terminated because a duplicate key was found for the object name and the index name

Here is another example where the error messages are very clear but often developers get confused with the message. I think the reason for the confusion is the word “Key” used in the error message. After I explained this to a developer who sent me the error he realize that…
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SQL SERVER – Fix Error: 8111 – Cannot define PRIMARY KEY constraint on nullable column in table – Error: 1750 – Could not create constraint. See previous errors

A very common error new developers receive when they begin with SQL Server and start playing with the keys. Let us first run following code which will generate an error 8111. -- Create Table CREATE TABLE test (ID INT, Col1 INT, Col2 VARCHAR(100)) GO -- Now create PK on ID…
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