Oracle SQL Tutorial 15 - How to Add Primary Key Constraints

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  1. Caleb Curry
  2. primary key
  3. how to
  4. how to add primary key
  5. primary key constraints
  6. constraints
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Комментарии
Автор

Hey man, as someone learning SQL, I really appreciate the time and effort you are placing into your videos! They're really great! Keep up the good work!

leocabrera
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thanks @caleb Great video. for the benefit of everyone, the reason for adding constraint name is to quickly identify and fix any errors and to reliably modify or drop constraints.

mohanrajsenthilnathan
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Love the silly comments, makes this even more interesting.
You're a lifesaver. Thank you.

vs
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Hello Caleb, How to put CONSTRAINT on multiple columns e.g. If I needed to have one column as the primary key and some other column which can not have null?
And this I want to apply on Table level Constraints.**

varunk
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it's giving me error missing right parentheses at the end where PRIMARY KEY(user_id)...

katsmins
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hahahahhaha you literally laugh me but i am agree with you table looks gross..

Abhishekrajducat
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make us videos for select orders in sql, u will have many job there:)

daandjurak
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Thank you! Been fiddling with apex for an hour and a half!

Metronicle
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why do you drop table if its an "empty" table?

migueleduardosanmartinsuar
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