What is session variable in mysql?

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What is difference between oracle sql and mysql?

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Is mysql free software?

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how to add a new column to an existing table?

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What is mysql used for?

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In mysql, what is joins? Explain

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What is the difference between a database and a table?

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What are the differences between innodb and myisam engines?

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Who owns mysql database?

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What do you understand by mysql terminal?

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at first i'm using datediff('d', a.due_date, current_date); but it takes too long to get the result but how can i subtract the current_date - a.due_date and still get the same result like when i use datediff? thank you

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about foregine

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