Question
Cellulose is a polymer made up of
Solution
Cellulose is a polymer of glucose . -β-D(+) glucose units are attached to each other. C1 of one glucose unit is attached to C4 of other glucose unit through β-glycosidic linkage .
In a data warehouse, a fact table typically contains:
Which process loads data from multiple sources into a data warehouse?
In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
What does "drill-down" operation in OLAP do?
In a data cube, what does "slice" operation do?
Which operation in OLAP allows selecting a single dimension from a cube?
Which of the following is NOT a characteristic of OLAP systems?
Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
Which process ensures data in a data warehouse is consistent and clean?
Which schema in data warehousing uses a central fact table connected to dimension tables?
