1
Q
What is data integrity?
A
The maintenance and consistency of data in a data store. The data store must reflect the reality that it represents.
2
Q
How does referential integrity work?
A
The DBMS would enforce referential integrity by applying a cascade delete restraint on the primary key relationship.
A-Level Computing OCR
flashcards
Decks in class (52)
# Cards
-
OSI Model7
-
Operating Systems9
-
Memory Management3
-
Interrupts6
-
Scheduling6
-
BIOS3
-
Device Drivers1
-
Virtual Machines5
-
Computer related legislation8
-
TCP/IP Stack6
-
Circuit/Packet Switching2
-
Client-server and Peer-Peer2
-
DNS (Domain name system)2
-
Networks4
-
Protocols2
-
LAN and WAN2
-
Lossy vs Lossless4
-
Data Structures9
-
Stacks and Queues4
-
Software Development Lifecycle7
-
Testing6
-
Programming Techniques9
-
Development Methodlogies11
-
LMC11
-
Algorithms0
-
Fetch Decode Execute Cycle3
-
Parts of the CPU12
-
CPU performance4
-
Architecture2
-
CISC and RISC6
-
Multi core and parallel2
-
Databases18
-
Normalisation3
-
Linkers, loaders and libraries5
-
Stages of comilation5
-
Length and Dictionary encoding2
-
Encryption and hashing5
-
GPUs6
-
Types of Operating Systems5
-
Utilities2
-
Open vs Closed Source2
-
Translators: Interpreters, Compilers & Assemblers9
-
Stages of compilation5
-
Run length encoding and dictionary coding1
-
Symmetric and Asymmetric encryption13
-
Methods of capturing data6
-
Transaction Processing5
-
Referential Integrity2
-
Network Security Threats6
-
Network Hardware6
-
Search Algorithms4
-
Tree/Graph Traversal3
