A SQL

With respect to database transaction, the ACID concepts should apply! ACID is an acronym for atomicity, consistency, isolation and durability. Please define each of these terms in your own words. Cite an appropriate and authoritative reference that you used.

Transaction logs

 

Part 3 Data Modeling Concepts - Data Modeling and Applications - Batch Files

 

(1) ( Batch Files )

 

What is a batch file? How are they useful? Are there specific times when a batch file is used/executed?

 

(2) ( Batch Files )

 

Are batch files generally large or small? Explain your answer with examples!

Transaction logs

mdb

accdb

xml

dbf

sql

ecsv

fmp12

db2