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Ryan 2023-06-14 16:37:25 +08:00
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@ -870,7 +870,7 @@
:LOGBOOK:
CLOCK: [2023-06-04 Sun 16:27:23]--[2023-06-04 Sun 16:54:55] => 00:27:32
:END:
- LATER Block 1
- DONE Block 1
deck:: 2023t1/database
- DONE DBMS
- Database is :-> a shared collection of logically related data (and a description of this data), designed to meet the information needs of an organization.
@ -952,9 +952,8 @@
- Ternary relationship #flashcard
id:: 648974ba-9b7a-4543-b243-e7a78cfc8175
- a ternary relationship is not the same as three binary relationships!
- LATER basic concepts associated with Entity-Relationship(ER) model.
- DONE basic concepts associated with Entity-Relationship(ER) model.
- LATER Forming sql queries
collapsed:: true
- DONE Review relational algebra https://www.geeksforgeeks.org/introduction-of-relational-algebra-in-dbms/
- LATER review lab2
- LATER SQL join