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Displaying posts with tag: SQL Interview (reset)
What is the difference between UPSERT and insert in MySQL?

In MySQL, while working with tables, it is important to understand the difference between UPSERT and INSERT statements. The INSERT statement simply adds entirely new records to a table, whereas UPSERT combines the functionalities of both INSERT and UPDATE. UPSERT is employed when you want to insert new records into a table but also need […]

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SQL Programming Test in 2024

Welcome to this amazing SQL programming test that will help anyone deeply interested in working with databases. This test will not only help you assess your strengths but also find gaps in your SQL programming skills. Ultimately, you’ll get to know which part of the SQL you need to focus on. SQL Programming Test – […]

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SQL Table Creation: The Missing Manual

SQL table creation is the process of creating a new table in a SQL database. A table is a collection of data organized into rows and columns. Each row represents a single record, and each column represents a single attribute of that record. SQL Table Creation To create an SQL table, you use the CREATE […]

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