Advanced Database Features
... Key-preserved table: a view contains enough columns from a table to identify the primary key for that table ...
... Key-preserved table: a view contains enough columns from a table to identify the primary key for that table ...
CmpE138-ENCh01
... Types of Databases and Database Applications Numeric and Textual Databases Multimedia Databases Geographic Information Systems (GIS) Data Warehouses Real-time and Active Databases A number of these databases and applications are described later in the book (see Chapters 24,28,29) Elmasri and N ...
... Types of Databases and Database Applications Numeric and Textual Databases Multimedia Databases Geographic Information Systems (GIS) Data Warehouses Real-time and Active Databases A number of these databases and applications are described later in the book (see Chapters 24,28,29) Elmasri and N ...
Heuristic Optimization of OLAP Queries in Multidimensionally
... passes applications requiring a multidimensional view of data. In such a view of data there is a set of measures that are the metrics of interest. The measures contain numeric data. Each of them is uniquely determined by a set of different and often independent dimensions. Dimensions have associated ...
... passes applications requiring a multidimensional view of data. In such a view of data there is a set of measures that are the metrics of interest. The measures contain numeric data. Each of them is uniquely determined by a set of different and often independent dimensions. Dimensions have associated ...
presentation source - Courses
... operations (select, project, join, etc) that can be used to build some desired relation from the database. • Relational Calculus provides a notation for formulating the definition of that desired relation in terms of the relations in the database without explicitly stating the operations to be perfo ...
... operations (select, project, join, etc) that can be used to build some desired relation from the database. • Relational Calculus provides a notation for formulating the definition of that desired relation in terms of the relations in the database without explicitly stating the operations to be perfo ...
Slide 2-1
... Provide concepts that are close to the way many users perceive data. Such as: entity, attribute, relationship among entities (will explain more detail in ER model) Physical (low-level, internal) data models: Provide concepts that describe details of how data is stored in the computer. Ex. Tree, Gr ...
... Provide concepts that are close to the way many users perceive data. Such as: entity, attribute, relationship among entities (will explain more detail in ER model) Physical (low-level, internal) data models: Provide concepts that describe details of how data is stored in the computer. Ex. Tree, Gr ...
Course Introduction
... Identifying the data to be stored in the database Choosing appropriate structures to represent and store data Communicating to prospective database users to understand the requirements Creating a design that fits user requirements ...
... Identifying the data to be stored in the database Choosing appropriate structures to represent and store data Communicating to prospective database users to understand the requirements Creating a design that fits user requirements ...
Chapter 10 - Databases
... • A table is a rectangular array of data. • Each column of the table, called a field, contains the same type of information. • Each row, called a record, contains all the information about one entry in the database. • In a phone book, there are fields for name, address, and phone number. Your entry ...
... • A table is a rectangular array of data. • Each column of the table, called a field, contains the same type of information. • Each row, called a record, contains all the information about one entry in the database. • In a phone book, there are fields for name, address, and phone number. Your entry ...
Document
... • Methodology (or series of methodologies) designed to extract information from data and to use such information as a basis for decision making • Decision support system (DSS): – Arrangement of computerized tools used to assist managerial decision making within a business – Usually requires extensiv ...
... • Methodology (or series of methodologies) designed to extract information from data and to use such information as a basis for decision making • Decision support system (DSS): – Arrangement of computerized tools used to assist managerial decision making within a business – Usually requires extensiv ...
SS-L7.6 (pg. 5349)
... Web pages, documents, audio, images, and video all produce very different kinds of data. Traditional databases require different tables to handle these data. Tuple stores handle all of this data by treating them all as key/value pairs. This greatly simplifies the design of the database and allows fo ...
... Web pages, documents, audio, images, and video all produce very different kinds of data. Traditional databases require different tables to handle these data. Tuple stores handle all of this data by treating them all as key/value pairs. This greatly simplifies the design of the database and allows fo ...
C#TopTenTips
... readheavy or read environments. Here you can define different behaviours: For read heavy environments the rule could be Add indexes for days. For insert heavy environments the rule could be not allowed indexes but make your keys properly sequential(ever increasing) if you have both it may be tim ...
... readheavy or read environments. Here you can define different behaviours: For read heavy environments the rule could be Add indexes for days. For insert heavy environments the rule could be not allowed indexes but make your keys properly sequential(ever increasing) if you have both it may be tim ...
cos346day5
... • They are used for querying, reporting and data mining applications • They are never updated (in the operational database sense – they may have new data imported form time-to-time) DAVID M. KROENKE’S DATABASE PROCESSING, 10th Edition © 2006 Pearson Prentice Hall ...
... • They are used for querying, reporting and data mining applications • They are never updated (in the operational database sense – they may have new data imported form time-to-time) DAVID M. KROENKE’S DATABASE PROCESSING, 10th Edition © 2006 Pearson Prentice Hall ...
Big-Data-NoSQL-MongoDB-1-HW-Key - Dr. Tom Hicks
... very different fashion from the better known relational databases (RDB). RDBs pre-define the data structure in the database as a series of tables containing fields with well-defined data types. Exposing the data types to the database program allows it to apply a number of optimizations. In contrast, ...
... very different fashion from the better known relational databases (RDB). RDBs pre-define the data structure in the database as a series of tables containing fields with well-defined data types. Exposing the data types to the database program allows it to apply a number of optimizations. In contrast, ...
Managing Data Resources
... • Identifies relationships between data elements • Identifies most efficient way to group data elements • Identifies redundant data elements • Identifies grouping of data elements needed for specific applications ...
... • Identifies relationships between data elements • Identifies most efficient way to group data elements • Identifies redundant data elements • Identifies grouping of data elements needed for specific applications ...
SQL Server 2016 CTP3 Technical Overview
... Keeping multitenant databases secure by limiting access by other users who share the same tables ...
... Keeping multitenant databases secure by limiting access by other users who share the same tables ...
C# MySQL
... if we want to count the number of records, we have been using Select Count(*) from tableinfo;, in this case, we will have to use the methodExecuteScalar that will return one value. • The process to successfully run and ExecuteScalar is as follows: 1. Open connection to the database. 2. Create a MySQ ...
... if we want to count the number of records, we have been using Select Count(*) from tableinfo;, in this case, we will have to use the methodExecuteScalar that will return one value. • The process to successfully run and ExecuteScalar is as follows: 1. Open connection to the database. 2. Create a MySQ ...
Odysseus: a High-Performance ORDBMS Tightly
... Figure 6 shows a web page for specifying a query. A user can specify an arbitrary boolean expression of multiple keywords for each query. When a query is specified, the user can limit the scope of the query to a single site. We call this feature site-limited search. Odysseus offers two methods for ...
... Figure 6 shows a web page for specifying a query. A user can specify an arbitrary boolean expression of multiple keywords for each query. When a query is specified, the user can limit the scope of the query to a single site. We call this feature site-limited search. Odysseus offers two methods for ...
XML In An RDBMS World
... Relational Database – highly structured data such as account balances, inventory quantities, etc.) Document Database – used to store documents, probably in XML format The same DB can serve as both, e.g., Oracle ...
... Relational Database – highly structured data such as account balances, inventory quantities, etc.) Document Database – used to store documents, probably in XML format The same DB can serve as both, e.g., Oracle ...
fdacs: gis gdi - Enterprise 24x7 Inc.
... data into a standardized, easy to use format, using automated procedures. The Repository’s primary purpose is to provide data for FDACS business functions that cross divisional boundaries. One example of such a business function is emergency planning and response. The GDI Repository System increases ...
... data into a standardized, easy to use format, using automated procedures. The Repository’s primary purpose is to provide data for FDACS business functions that cross divisional boundaries. One example of such a business function is emergency planning and response. The GDI Repository System increases ...
CE414-lec2-Database Models
... • Independent of both software and hardware – Does not depend on the DBMS software used to implement the model – Does not depend on the hardware used in the implementation of the model – Changes in either the hardware or the DBMS software have no effect on the database design at the conceptual level ...
... • Independent of both software and hardware – Does not depend on the DBMS software used to implement the model – Does not depend on the hardware used in the implementation of the model – Changes in either the hardware or the DBMS software have no effect on the database design at the conceptual level ...
XML
... Motivation: ORDBMS Advantages ORDBMS The ability to directly manipulate data stored in a relational database using an object programming language is called transparent persistence Object-relational mapping means less code to write Higher performance over an embedded SQL or a call interface(JDBC,ODB ...
... Motivation: ORDBMS Advantages ORDBMS The ability to directly manipulate data stored in a relational database using an object programming language is called transparent persistence Object-relational mapping means less code to write Higher performance over an embedded SQL or a call interface(JDBC,ODB ...
Corporate PPT Template
... SQL, and Oracle will remain the industry’s best implementation of SQL New applications based on XML will use XQuery, and Oracle will be the industry’s best implementation of XQuery Oracle will support XQuery both in the database and in the mid-tier ...
... SQL, and Oracle will remain the industry’s best implementation of SQL New applications based on XML will use XQuery, and Oracle will be the industry’s best implementation of XQuery Oracle will support XQuery both in the database and in the mid-tier ...
Chapter 12
... • Distributed database management system (DDBMS) – Governs storage and processing of logically related data over interconnected computer systems in which both data and processing functions are distributed among several sites • Centralized database required that corporate data be stored in a single c ...
... • Distributed database management system (DDBMS) – Governs storage and processing of logically related data over interconnected computer systems in which both data and processing functions are distributed among several sites • Centralized database required that corporate data be stored in a single c ...
BWDB2UG March 8 2017 DB2 11 and 12 Performance and Availability
... performance of our existing applications as well as the availability of our data. We also have to plan to utilize new features in our development efforts. This presentation takes a look at the features in DB2 11 and 12 that will improve our performance and provide us with maximum data availability a ...
... performance of our existing applications as well as the availability of our data. We also have to plan to utilize new features in our development efforts. This presentation takes a look at the features in DB2 11 and 12 that will improve our performance and provide us with maximum data availability a ...