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Executive information system. An executive information system ( EIS ), also known as an executive support system ( ESS ), [1] is a type of management support system that facilitates and supports senior executive information and decision-making needs. It provides easy access to internal and external information relevant to organizational goals.
For example, searching for the string btn might find all the Button objects. Applying Hungarian notation in a narrower way, such as applying only for member variables, helps avoid naming collision. Printed code is more clear to the reader in case of datatypes, type conversions, assignments, truncations, etc. Disadvantages
Centralized database. A centralized database (sometimes abbreviated CDB) is a database that is located, stored, and maintained in a single location. This location is most often a central computer or database system, for example a desktop or server CPU, or a mainframe computer. In most cases, a centralized database would be used by an ...
Disadvantages. While IMAP remedies many of the shortcomings of POP, this inherently introduces additional complexity. Much of this complexity (e.g., multiple clients accessing the same mailbox at the same time) is compensated for by server-side workarounds such as Maildir or database backends.
See list of column-oriented DBMSes for more examples. Tradeoff. The data orientation is an important architectural decision of systems handling data because it results in important tradeoffs in performance and storage. Below are selected dimensions of this tradeoff. Random access. Row-oriented benefits from fast random access of rows.
Microsoft Access. Microsoft Access is a database management system (DBMS) from Microsoft that combines the relational Access Database Engine (ACE) with a graphical user interface and software-development tools. It is a member of the Microsoft 365 suite of applications, included in the Professional and higher editions or sold separately.
Metasearch engine. A metasearch engine (or search aggregator) is an online information retrieval tool that uses the data of a web search engine to produce its own results. [1] [2] Metasearch engines take input from a user and immediately query search engines [3] for results. Sufficient data is gathered, ranked, and presented to the users.
Surrogate key. A surrogate key (or synthetic key, pseudokey, entity identifier, factless key, or technical key[citation needed]) in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data, unlike a natural (or business) key.