Question
What is e-commerce?
Solution
S. 2(16) "e-commerce" means buying or selling of goods or services including digital products over digital or electronic network.
- Which of the following joins returns all rows from both tables, filling in NULL values for non-matching rows? 
- Which of the following statements about ACID properties in a DBMS is incorrect? 
- Which of the following concurrency control techniques allows multiple transactions to read data simultaneously but ensures that only one transaction ca... 
- Which normal form deals with the issue of transitive dependencies? 
- Which of the following is used to speed up data retrieval in a relational database? 
- A collection of Data organized in a manner that allows access, retrieval & use of the data 
- Which of the following storage devices is considered non-volatile? 
- Which tier uses application server 
- In a relational database, a foreign key is used to: 
- Which of the following memories has the shortest access times?