NUnit : Introduction
There are several unit test tools in the market, but one of them is NUnit, the most popular tool for doing unit testing. So in this tutorial...
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Sometimes we need to remove special characters from string or columns value. Suppose, we developed an ETL tool that inserting records on ...
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Many scenarios come in query writing, we have to check particular VIEW exists in the database or not. There are many approaches to che...
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Question 1: What is .Net core? Answer: .NET Core is an open-source, general-purpose development platform maintained by Microsoft and ...
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We can use $add an operator to add days in ISODate in MongoDB, $add is the Arithmetic Aggregation Operator, which adds number and date in ...
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This issue comes much time when we are using PostgreSQL with Node.js, Error: Cannot find module 'bcrypt' in nodejs application, and...
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Problem: Suppose you are creating an application using Java and for the backend you are using PostgreSQL, sometimes we face the error as... -
We can use $subtract operator to subtract tow numbers. $subtract is arithmetic aggregation operator which subtract two number and returns ...
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Problem: Suppose we have a source directory where more than one tab-delimited files exist, and we need to move files in archive folder ... -
If you are a DBA and you are working on a data-dictionary for a project so that you can keep track of schema changes and so on, then this ... -
A primary key constraint is a combination of a NOT NULL constraint and a UNIQUE constraint. This constraint ensures that the specific colu...
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