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| author | Elizabeth Alexander Hunt <me@liz.coffee> | 2026-07-02 11:55:17 -0700 |
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| committer | Elizabeth Alexander Hunt <me@liz.coffee> | 2026-07-02 11:55:17 -0700 |
| commit | 6bf4b90c90f15f4ab60833bddf5b5756d1a6b1f6 (patch) | |
| tree | ed97e39ec77c5231ffd2c394493e68d00ddac5a4 /Homework/cs5800/Exams/1.org | |
| download | misc-undergrad-main.tar.gz misc-undergrad-main.zip | |
Diffstat (limited to 'Homework/cs5800/Exams/1.org')
| -rw-r--r-- | Homework/cs5800/Exams/1.org | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Homework/cs5800/Exams/1.org b/Homework/cs5800/Exams/1.org new file mode 100644 index 0000000..51d2fc1 --- /dev/null +++ b/Homework/cs5800/Exams/1.org @@ -0,0 +1,21 @@ +* EER and relational (notations, translation, ER -> EER) +* Languages (DML - DBA or User, DDL - , VDL, SDL) +* DBMS system components +User queries and DDL queries paths +* Conceptual Data Modeling (Focus on min-max) (ER and Enhanced ER model) +Partial participation, categorization on unions, +convert to integrity constraints + +non-null is an entity integrity constraint +* Relational model concepts +** Keys +(Super key, candidate key, primary key, foreign key) +studentno is a key, {studentno, birthdate} is a superkey +sometimes there is more than one key +* Data Definition Language (DDL) +** Creating table, adding constraints, table attrributes +** DBA uses +** Attributes, primary keys, foreign keys + +** Drop table, Alter table +** Constraints: null/not null, unique, CHECK |
