SQL Interview Questions for Freshers 1. What is the difference between a primary key and a unique key? Primary Key: The primary key is used to identify every record in a table uniquely. It ensures that NULL values are not present in the table. Unique Key: The unique key also identifies...
Prepare yourself for the industry by going through these SQL Interview Questions for Freshers now! Nested COALESCE Nested COALESCE refers to the use of COALESCE functions within one another, allowing for a chain of evaluations until a non-null value is found. This method involves embedding one COA...
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This article which speaks about basic but important topics related to .NET. These topics are frequently asked in interviews especially to freshers that is IL code, CLR, CTS, CLS, JIT, Managed and Unmanaged code. read more Understand Monitor vs Mutex vs Semaphore vs SemaphoreSlim - Onlinebuff ...
Hi friends, Here we will look into various Interview questions which are common and frequently asked in Interviews. Hope it benefits for freshers and experienced. Recommendation ReadSome basic SQL queries which should be practiced before going to Interview - Part 1beforethis article. ...