Currently I am taking database management system and my teacher wants my to fill
ID: 3679783 • Letter: C
Question
Currently I am taking database management system and my teacher wants my to fill in these fill in the blank questions.
A single piece of data is a _______________________.
______________________________invented the first punched card.
Name one challenge with storing data today.
Software to manage data is called __________________________.
Herman Hollerith founded ______________________________.
DDL is known as ______________________________________.
A basic SQL statement has the following 3 parts _______________, _____________________ and __________________________.
In the like clause, what matches any group of characters of any length? _________________
T or F, Or comes before And?
The where-clause limits the number of ______________ that are selected from the database.
Three typical cardinalities are ________________________, _______________________________, and _______________________________
Intersection data is the same as this type of entity _________________________.
A relationship of one entity to occurrences of the same type of entity is called _______________________________.
A ________________________________ involves 3 different entity types.
Modality is _____________________________________________.
Four operations that can be performed on stored data are ______________________________ , _______________________________, _______________________________, _______________________________
The ability to tie pieces of related data together is called ____________________________.
In general data redundancy is good for a system. T or F. ______________
Name three data control issues.
Hierarchical databases are known as ______________________ approaches to database.
Explanation / Answer
sql transaction statements
sql schema statements
one-to-one (1:1)
one-to-many (1:M)
many-to-many (M:N)
insert
retrieve
update
delete
data security
backup and recovery
concurrency control
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