How can I find the difference between two dates in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In SQL, it is common to work with dates and times. Your goal might involve identifying users who have been inactive for a certain period, finding records that took longer than expected, or extracting data based on specified date ranges. In […]

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How can I extract data from multiple tables using SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> w can I extract data from multiple tables using SQL? Extracting information from multiple tables in SQL is a common operation and often involves the use of joins. Join statements enable retrieving information from several tables that have a column in

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How can I convert a string to uppercase or lowercase in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In SQL programming, converting strings to either uppercase or lowercase can be achieved using in-built functions designed for this purpose. This conversion can be handy when performing data cleaning, manipulation and comparison tasks. In this blog post, we’re going to explore

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How can I concatenate multiple rows into a single string in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> If you are dealing with a large database, there might be a situation where you need to combine data from multiple rows into a single string. Fortunately, SQL (Structured Query Language) offers some simple tools and methods for this consolidation. In

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How can I combine multiple queries into one result set in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> If you find yourself manipulating multiple SQL databases and tables at the same time, it’s standard to combine various SQL queries into one result set. This approach simplifies your task and increases the efficiency and effectiveness of your data processes. Here,

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How can I calculate the difference between two dates in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Managing dates in any programming language can be a complex task and SQL is no exception. One frequent requirement in data analytics is to calculate the difference between two dates. Fortunately, SQL provides robust functions to work with dates. In this

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