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iddu
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iddu
@1drie5
somehow trying to get into tech while having a lot of skill issues
Beigetreten Mart 2023
223 Folgt124 Follower

@justalexoki How did your wife see this post and allow it?
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A cute donut badge would definitely suit my account 👉🏻👈🏻
Runable@runable_hq
who wants the @runable_hq badge 👀 ? we want the best people with us share something you've built you are proud of
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Ramadhan summary:
Completed full quran recitation
28/30 nights of taraweeh.
Broke more fasts with brothers by faith than brothers by blood.
Not listening to music wasn't so tough.
Attended qiyam ul layl prayers.
Meet oomfs,@_khusheyyy , @Shivam675int ,was a great experience.
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L27–L28
n:1 — many map to one. ex: employees to department. fk on the many side.
n:n — many map to many. ex: student & courses. can't implement directly — needs a junction table.
ex: enrollment(student_id, course_id) — composite pk of both fks.
#DBMS #SQL #Databases

iddu@1drie5
L25–L26 cardinality = numerical mapping between entity sets. 1:1 — one entity maps to exactly one. ex: student & course. 1:n — one maps to many. ex: author & books. 1:n is the most common relationship in real-world dbs. #DBMS #SQL #Databases
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@himanshustwts the whole stack depends on work happening at a level most engineers never touch...
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