How non clustered index point to the data?

Related MCQs

• A                                    index is the one which satisfies all the columns requested in the query without performing further lookup into the clustered index.
• Which one is true about clustered index?
• In a                clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.
• In a _______ clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.
• In a                      index, an index entry appears for only some of the search-key values.
• In                                index instead of storing all the columns for a record together, each column is stored separately with all other rows in an index.
• Instead of locking index leaf nodes in a two-phase manner, some index concurrency- control schemes use                        on individual key values, allowing other key values to be inserted or deleted from the same leaf.
• In a __________ index, an index entry appears for only some of the search-key values.
• Incase the indices values are larger, index is created for these values of the index. This is called
• Insertion of a large number of entries at a time into an index is referred to as __________ of the index.