单选题The customer and order tables are often used in joins， thereby resulting in complex queries. You created views to simplify the writing of queries. These views are stored in（）.A user tablesB view segmentC table segmentD data dictionaryE object segmentF
题目
单选题
The customer and order tables are often used in joins， thereby resulting in complex queries. You created views to simplify the writing of queries. These views are stored in（）.
A
user tables
B
view segment
C
table segment
D
data dictionary
E
object segment
F
performance tables