O-LevelComputer ScienceDatabases2210/22 · Oct/Nov 2022 · Q33 Marks
Describe the use of verification on input of data when entering a list of items in stock into a database. Explain why verification is necessary.
- Describe the use of verification on input of data when entering a list of items in stock into a database. Explain why verification is necessary.[3]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.
- [1] MP1 verification is used to make sure the items in stock do not change from the original when they are input // verification is used to make sure the items in stock do not change from what was intended to be input // verification is used to make sure the items are accurately copied
- [1] MP2 enter each item in stock twice / double entry // visual check
- [1] MP3 matching description of the type of check stated in MP2
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →