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Carole Thom

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What is the significance of on delete cascade?

If you like the Parent and Child terms and you feel they are easy to remember, you may like the translation of ON DELETE CASCADE to Leave No Orphans! Which means that when a Parent row is deleted (killed), no orphan row should stay alive in the Child table. All children of the parent row are killed (deleted), too. If…

SQL Server

Answered Sep 29, 2022 · 1.4K Views Read answer →

Which function can I use to clear the console in R and RStudio

The shortest and the quickest way to clear the global environment in R is by using shortcut keys from the keyboards. Simply hit Ctrl+L on the keyboard and you will see that everything written in the console will be erased and the console will be cleared. Description Windows & Linux Mac Clear console Ctrl+L Ctrl+Lcat("…

Salesforce

Answered Jul 16, 2021 · 1.8K Views Read answer →

How to squash commits in git after they have been pushed?

$ git rebase -i HEAD~4After running this command, you will be taken into an interactive page. Now replace pick with squash at the top for all the commits that you want to squash. Don't forget to save and close the editor using Esc > :wq All you need to do now is push these changes to the remote: $ git push…

Business Intelligence

Answered Jul 12, 2021 · 2.2K Views Read answer →

whySQL Server, Allow remote connections to this server option?

This checkbox is the GUI way of setting the remote access configuration option, EXEC sp_configure 'remote access', 0; -- UI checkbox unchecked EXEC sp_configure 'remote access', 1; -- UI checkbox checkedThe feature is labelled incorrectly in the SSMS UI: Incorrect: Allow remote connections to this server Correct:…

SQL Server

Answered Apr 23, 2021 · 1.5K Views Read answer →

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