The indexing methods are -Ordered Primary Clustering SecondaryDiscuss this Question 13. How many types of primary index are there?2 3 4 5Answer: A) 2Explanation:There are 2 types of primary index.Discuss this Q
The present invention provides a computer-readable medium and system for selecting a set of n-grams for indexing string data in a DBMS system. Aspects of the invention include providing a set of candi
To meet the requirements from non-standard database application areas such as engineering design, DBMS is required to be able to introduce application-specific data types and access methods a posteriori. The extensible DBMS MODUS is designed to cop...
How does Indexing work in DBMS? Indexing isa way of sorting a number of records on multiple fields. Creating an index on a field in a table creates another data structure which holds the field value, and a pointer to the record it relates to. This index structure is then sorted, allowing...
Indexes are special purpose data structures, designed to facilitate and speed up the access to the contents of a file. Indexing has been actively and extensively investigated in DBMSes equipped with hard disk drives (HDDs). In the recent years, solid-state drives (SSDs), based on NAND flash...
Indexing and sorting are two methods that can be used to create an order in a data table. Indexing would create an index file that contains only the logical order of rows along with their physical position in the table whereas with sorting, a copy of the sorted table has to be stored. ...
Because there is a broad spectrum of XML usage, there is no one-size-fits-all storage model that offers optimal performance and flexibility for every use case. Oracle XML DB offers two storage models forXMLType, and several indexing methods appropriate to these different storage models. You can...
For informational on the PL/SQL interfaces in SYS.DBMS that export will call, see Oracle8i Supplied Packages Reference.ReturnsA null-terminated string containing a piece of an opaque block of PL/SQL code. A zero-length string indicates no more data; export stops calling the routine. ...
Probability threshold indexing;Spatial data indexing with uncertainty Definition TheProbabilistic Threshold Indexing(PTI) method enables efficient query evaluation of a vast amount of spatial data that are inherently uncertain. Spatial data uncertainty is common in Location-Based Services (LBS), where the ...
A first set of methods is provided for enabling users to add bookmarks to multimedia files, such as movies, and audio files, such as music. The multimedia bookmark facilitates the searching of portions or segments of multimedia files, particularly when used in conjunction with a search engine....