Best SQL tutorial out there! You're a great teacher Mike
@computergeeks75465 жыл бұрын
In MS-Access: 1:1 is equal to one-to-one relationship 1:M is equal to one-to-many relationship N:M is equal to many-to-many relationship
@labeh37505 жыл бұрын
From your teaching techniques, i find your tutorials an Active way rather the passive learning. Thanks Mike.
@postfixnotation98294 жыл бұрын
Your series on ERDs helped me a lot! Thank you!
@senalweerasekara3 жыл бұрын
Me and my friends watch tons of your videos. THANK YOU. YOU HELPED US SO MUCHHH
@trungpham75884 жыл бұрын
very easy to understand ... and appreciate the actions in which you move your pos to show the Class entity.
@fluffyberry22222 жыл бұрын
Entity: grey box Attributes: circle Composite Attributes: branches of attributes Prim Key: Underlined in circle Multivalued Attribute: two circles Derived attribute: - derive from another attribute broken circle (eg: gpa get from grade) Relationship: diamond box - take Total participation: 2 line - students who attend class need to take it Partial Particpation: one lines (not all students have to take class) Relationship attribute - circle connected to relationship : a grade from taking class cardinals: M = any no. of classes N = any no. of students 1:N student can only take one class class can b taken by any no. of students M:1 a studnt can take any no. of classes only one student can attend the classes 1:1 one student one class weak identity: depends on another entity - broken underline (exam depends on class - cant have exam wirhout knowing which class it belongs to) identifying relationship: diamond box has exam has a class
@jamespottex51973 жыл бұрын
And I wasted my two days in learning this things.. which this man completed in just 14 minute..
@ThaiNguyen-co4jm2 жыл бұрын
Very good and funny videos bring a great sense of entertainment!
@tuansiraj Жыл бұрын
You are great man !!!
@itiremiroglu76464 жыл бұрын
hey mike, why your channel is not updated? are you give up from teaching or being youtuber? In my opinion, you should keep producing !
@imohimijulius62914 жыл бұрын
you deserve more than 100%,, guess no human can get above 100... so i give you 99%... one love.. the other 1% for most high
@daniilpogolovkin8221 Жыл бұрын
Thanks!
@davidwu96265 жыл бұрын
Hi, thanks for your videos. What's the double line means in the entity (Square and Diamond)?
@naveenrawat62784 жыл бұрын
Double rectangle is weak entity and double diamond is identifying relationship.
@bluebird5635 жыл бұрын
thanks white man for the clear explanation.
@mscoco14314 жыл бұрын
i sbuse u are beown .black or asian
@alvarotorres59584 жыл бұрын
I would rather say that grade is a weak entity because it depends on the student and on the class... Besides this, great video and awesome explanation about cardinality!
@john_atkins5 жыл бұрын
So can you think of the entity 'Student' as a class called 'Student' instead?
@franciscrypto9143 Жыл бұрын
hey welcome to draft academy, my name is mike
@aydamuhaba75473 жыл бұрын
Why you stop uploading videos mike
@kishoreannu36495 жыл бұрын
Great nice and clear explanation
@gramirom2 жыл бұрын
Thanks!!!
@stinhuffine44224 жыл бұрын
Where do you create these diagrams?
@蹦太君-o4d2 жыл бұрын
it helpful!!
@nevilholmes59003 жыл бұрын
Thanks
@adlbasit4 жыл бұрын
Hey dane... I remember I watched an 8 hrs long sql tutorial of yours... Can you please provide a link to that? I searched alot but couldnt find...
@christianespinosa46323 жыл бұрын
I have a problem with running code. it say no symbol found?
@kailash._11.2 жыл бұрын
Which software can we use for creating ER Diagrams??
@Ishaana32904 жыл бұрын
Plz make a video on php n mysql
@shibukumar26753 жыл бұрын
Can you please share the slides?
@gorvtaxak29232 жыл бұрын
entitties xD
@freakwankerhans79592 жыл бұрын
u spent 14 minutes to make the stuff clear which my professor spent 2 hrs messing up it
@babakazizi31472 жыл бұрын
I can only give prayers! I can afford no donations, unfortunately.