With the cross join you can generate a total combination of 341,658,256 users for your tests. We will use a cross join to generate all the possible combinations of names and last names. In the first example, we will use the DimCustomer table from the AdventureWorksDW database mentioned in the requirements. Adventure Works 2014 Full and Adventure Works DW 2014 databases.In this article, we will teach how to generate up to a million rows of random data in SQL Server including:Ĭombinations of user names and last names In general, random data is very useful for testing purposes, to learn about query efficiency, demos and more. In this article, we will give you some useful T-SQL tips that may help or at least inspire you on this. Brainstorm, select keywords of interest, plug them into a name generator to develop a good list of names. The process of picking a name should be similar to choosing a business name. That is why, it is very important to generate data and test the software with millions of rows. A good name is creative and relevant to the content that is being produced. If the provider had tested the software with millions of rows, this problem would have never happened. Generate any random data you want with power of agile templates and save it to our servers for later use. If passed returns state name abbreviation instead of full name. The customer sued to the software provider and lawyers were needed to create a resolution. If passed returns country name abbreviation instead of full name. The problem was not SQL Server, the problem was the application, which was not designed for tables with millions of rows. I once had a customer with software that worked fine in the demo with 30 rows, but after some months, the software had more than a million rows and it became very slow. Random function in the Math library is used to generate random numbers between 1 and 100. Suppose we want to generate a random number for customerId field every time an API is hit. In this article, we will talk about generating random values for testing purposes. Method 1: Using Math.random () function in Pre-request Scripts.
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