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What are indexed data bases?

Indexed databases are databases that use an index data structure to efficiently retrieve and access data. The index stores keys and pointers to the actual data, allowing for faster search and retrieval of information. Indexes help in optimizing performance by reducing the number of disk accesses needed to locate specific data.


What are Information resources that point the user towards data that they are looking for and are organized according to a predefined scheme are called?

Information resources that point the user towards data and are organized according to a predefined scheme are called indexes or databases. They provide a systematic way to locate and access specific information by categorizing and arranging it in a structured manner. Examples include online databases, library catalogs, and search engines.


What is a good sentence for indexes?

The indexes in the library catalogue help users find the books they need quickly and easily.


What are properties in relation to database?

In databases, properties are attributes or characteristics of database elements such as tables, columns, or indexes. They define specific settings or configurations that determine how the database or its elements behave. Properties can be used to control various aspects of data storage, retrieval, indexing, and performance within a database system.


DBMSs use indexes for many different purposes?

Yes, DBMSs use indexes to improve the speed of data retrieval by providing faster access to specific columns or rows in a table. Indexes help to optimize query performance by creating a structure that enables the database system to locate data quickly. Additionally, indexes can enforce uniqueness constraints, accelerate sorting and grouping operations, and support foreign key relationships between tables.

Related Questions

What indexes and databases includes patient-identifiable information?

master patient?population index


What is the main limitation of network databases?

Overhead associated with maintaining indexes.


Why is the General Reference Section the most visited part of the library?

The General Reference section includes computerized databases, indexes, and abstracts on CD-ROM.


What are indexed data bases?

Indexed databases are databases that use an index data structure to efficiently retrieve and access data. The index stores keys and pointers to the actual data, allowing for faster search and retrieval of information. Indexes help in optimizing performance by reducing the number of disk accesses needed to locate specific data.


How do relational databases use indexes?

The index between relations databases is the common thread which ties them together. So if you have a column in each database called 'idnum' and IDNUM:001 in the first database corresponds with data in IDNUM:001 in the second database, the two databases are relational and IDNUM is their index.


Where can I receive information about stock market indexes?

Much information is available through accessing Web sites of exchanges and other organizations, such as Dow Jones and Russell Group, that have developed indexes.


What are Information resources that point the user towards data that they are looking for and are organized according to a predefined scheme are called?

Information resources that point the user towards data and are organized according to a predefined scheme are called indexes or databases. They provide a systematic way to locate and access specific information by categorizing and arranging it in a structured manner. Examples include online databases, library catalogs, and search engines.


With so much secondary information now available free or at low cost over the Internet why would a firm ever want to spend the money to do primary research?

Perhaps the person conducting the research does not have the expertise in the area needed, or knowledge of how to use the various catalogs, indexes, databases, and other resource materials.


Is Information Technology a commodity?

Information Technology is not a commodity. Information Technology is a service and that is why in some global stock indexes, IT stocks are classified under the service sector.


What will an index tell you?

Indexes provide useful information including: Even with their limitations, indexes show trends and changes in investing patterns. They can give snapshots of market activity, even if they don't tell the whole story. Indexes provide a yardstick for comparison over time.


What type of stock indexes are there?

There are indexes that cut across industries; there are indexes that deal with one industry only. Indexes include varying numbers of stocks.


What is the meaning of indexes?

Indexes, in various contexts, refer to systematic arrangements or cataloging methods used to organize information, data, or items to make them easily accessible and understandable. Here are a few common meanings of indexes: In Finance and Economics: Stock Market Index: A stock market index measures and reports the changes in representative stock groupings. Examples include the S&P 500 and Dow Jones Industrial Average. They provide insights into the overall performance of the stock market. Economic Index: Economic indexes, like the Consumer Price Index (CPI) and Gross Domestic Product (GDP), measure and represent various economic data points. These indexes are crucial for policymakers and economists to analyze economic trends. In Books and Documents: Index (in a Book): In the context of books and documents, an index is a list of words or phrases, along with the page numbers, where those terms can be found in the book. It helps readers quickly locate specific topics or information within the text. In Databases and Search Engines: Database Index: In the realm of databases, an index is a data structure that improves the speed of data retrieval operations on a table at the cost of additional space and decreased performance on data modification operations. Indexes are crucial for efficient database querying. Search Engine Index: Search engines like Google use indexes to store vast amounts of web pages and their content. When you perform a search, the search engine quickly retrieves relevant information from its index to provide you with search results. In general, an index serves as a reference or guide, allowing for efficient and organized access to specific information within a larger collection or dataset. The structure of an index depends on the context in which it is used, but its primary purpose is to facilitate easy and quick retrieval of information.