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What is index in sql?
Index is a data structure that improve the performance of data.
What are the components of relational database?
Table, index, trigger and column Table, index, trigger and column
What are the issues in physical design?
In physical design we build up the index and storage structure
How the index of the DBMS is organized and works?
A database index is a data structure that improves the speed of data retrieval operations in DBMS. An index can be created using one or more columns of a database table, providing the basis for both rapid random lookups and efficient access of ordered records. Most indexes use a B-tree structure. A B-tree is a tree data structure that keeps data sorted and allows searches, sequential access, insertions, and deletions in logarithmic amortized time. The B-tree is a generalization of a binary search tree. The B-tree is optimized for systems that read and write large blocks of data. There are several index types out there: Bitmap index Dense index Sparse index Reverse index Etc...
Is the search engine Sphinx faster than Lucene?
Yes and No, it depends on your data size and index structure.
What is the index and partial replica of frequently used objects and attributes in an active directory structure?
Global Catalog
What determines the index of refraction?
The index of refraction of a material is determined by its optical density, which is influenced by the speed of light through that material compared to the speed of light in a vacuum. The index of refraction may also depend on factors such as the material's composition, structure, and temperature.
Is table content the same with index?
No, table content and index are not the same. Table content refers to the actual data stored in the table, while an index is a data structure that provides a quick look-up for specific columns in the table to improve search performance.
What are five characteristics of a solid?
Several examples: density, color, refractive index, crystalline structure, melting point.
What are the physical characteristics of solid?
Several examples: density, color, refractive index, crystalline structure, melting point.
Why can the refractive index of water change?
The refractive index of water can change with factors like temperature, pressure, and the presence of impurities or contaminants. Changes in these factors can alter the density and molecular structure of water, affecting how light travels through it and thus causing variations in its refractive index.
Is not an property of an index mineral?
forms only in a sedimentary rock
