questions i got wrong Flashcards

(30 cards)

1
Q

w2: sdlc DETAILED CONCEPTUAL MODEL

A

ANALYSIS

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2
Q

w2:sdlc data DEFINED categoruuy LISTED …

A

ANALYSIS

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3
Q

w2: consensus on dataa def

A

org conflict

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4
Q

w2: primary puruses of dbms EXCPET

A

int dev env

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5
Q

good data def will describe all characeritsts EXCEPT

A

DELETE THE DATA

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6
Q

entity type name should be everything except

A

AS SHORT AS POSSIBLE

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7
Q

a___ def or constarints business aspect

A

BUSIENESS RULE

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8
Q

the __ no PK MAY BE NULL

A

tntity integrity

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9
Q

func dependnacy 2 oor more non key

A

TRANSITIVE DEPENDANCY

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10
Q

entity integrity is a rule that

A

no NULL

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11
Q

Domain def consists of all excet

A

INTEGRITY CONSTRAINTS

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12
Q

WHICH of follow clauses finds all groups meeting stated condiitons

A

HAVING

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13
Q

A view may not be directly updated if it contains

A

HAVING

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14
Q

last part of sql query to be read

A

ORDER BY

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15
Q

single val return form sql

A

scalar agg

SCALAR = SINGLE

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16
Q

multi value return

17
Q

to get all cust from hawaii sorted together?

18
Q

Which of the following counts only row that contain vlaue

19
Q

all multival removed: 1ST

no multival attributed + nonkey dep on pk: 2ND

normal form removes remaiing func de: BOYCODD

20
Q

WHAT PRODUCES SCALAR AND VECTOR AGG

21
Q

What does the following SQL statement do?

DELETE FROM Customer_T
WHERE state = ‘HI’;

A

Deletes all records from Customer_t where the state is equal to HI

22
Q

SELECT MIN(Product_Description)
FROM Product_V;

A

FIRST VALAUE OF PRODUCT DECSIRPTION WILL BE SHOWN

23
Q

INSERT INTO is an example of ________ code.

24
Q

__ set of commands to CONTROL db
__ set of commands to UPDATE and Query a db

25
__ NO primary key may be null
ENTITY INTEGRITY RULE
26
Domain def consists of all components EXCEPT
integrity constraintis!!
27
student and room!!
one to many
28
!!! if it says SDLC IN THE QUESTION: -> if it doesnt say SDLC! only says logical schema
ITS ANALYSIS ITS DESIGN
29
all mv: 1st no mv attributres: 2nd Mv depend: 4th remaining func dep: boyecodd ANM: 1ST 2ND 4TH (ANNEMARIE) remaining: boycecodd
30