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  • December 2, 2020Miscellaneous

    Where is the MDF file located?

    Where is the MDF file located? Default Location of MDF File in SQL Server Files that are common and used by all instances on a…

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  • December 2, 2020Helpful tips

    What is pages and extents in SQL Server?

    What is pages and extents in SQL Server? The page is the fundamental unit of data storage in SQL Server. An extent is a collection…

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  • December 2, 2020Contributing

    How do I restore an SQL MDF file?

    How do I restore an SQL MDF file? Using Enterprise Manager Expand the registered SQL server. Right-click Databases, select All Tasks -> Attach Database… Click…

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  • December 2, 2020Popular

    How to duplicate a schema in MySQL database?

    How to duplicate a schema in MySQL database? Duplicate a schema in mysql database, without dumping sql files and execute them. It would be great…

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  • December 2, 2020Popular

    Is JOIN faster than 2 queries?

    Is JOIN faster than 2 queries? Try running some database statistics against both the JOIN and the multiple SELECTS. See if in your environment the…

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  • December 2, 2020Helpful tips

    How do you find the maximum value in another column of a table in Excel?

    How do you find the maximum value in another column of a table in Excel? If you want to place the maximum value in another…

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  • December 2, 2020Popular

    How do I query a datetime format in SQL?

    How do I query a datetime format in SQL? SQL Date Format with the FORMAT function Use the FORMAT function to format the date and…

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  • December 2, 2020Guidelines

    Does the order of WHERE clause matter in SQL?

    Does the order of WHERE clause matter in SQL? No, that order doesn’t matter (or at least: shouldn’t matter). Any decent query optimizer will look…

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  • December 2, 2020Guidelines

    How to do nested SQL SELECT COUNT Stack Overflow?

    How to do nested SQL SELECT COUNT Stack Overflow? Depending upon what you need you could do one of a couple things. Using your second…

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  • December 2, 2020Helpful tips

    WHY IS NULL values avoided in a good design Why are NULL values used?

    WHY IS NULL values avoided in a good design Why are NULL values used? It states that the corresponding value is either unknown or undefined.…

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