Chapter 2
... – Refers to immunity of conceptual schema to changes in internal schema – Internal schema changes (e.g. using different file organizations, storage structures/devices) – Should not require change to conceptual or external schemas ...
... – Refers to immunity of conceptual schema to changes in internal schema – Internal schema changes (e.g. using different file organizations, storage structures/devices) – Should not require change to conceptual or external schemas ...
Relational Terminology - California State University, East Bay
... – SSN(p) – Employee Name – Department Code – Department Code(p) – Department Name – Department Location ...
... – SSN(p) – Employee Name – Department Code – Department Code(p) – Department Name – Department Location ...
Relational database Design
... A table is set of data elements that has a horizontal dimension (rows) and a vertical dimension (columns) in a relational database system. A table has a specified number of columns but can have any number of rows. Rows stored in a table are structurally equivalent to records from flat files. Columns ...
... A table is set of data elements that has a horizontal dimension (rows) and a vertical dimension (columns) in a relational database system. A table has a specified number of columns but can have any number of rows. Rows stored in a table are structurally equivalent to records from flat files. Columns ...
Public Management: Concepts and Big Questions
... Online transaction processing (OLTP) Online analytical processing (OLAP) Data mining, business intelligence (BI) ...
... Online transaction processing (OLTP) Online analytical processing (OLAP) Data mining, business intelligence (BI) ...
Database Management: Getting Data Together
... – Group of one or more characters that has a specific meaning ...
... – Group of one or more characters that has a specific meaning ...
Database Systems
... – In today’s world, accurate, relevant and timely information is the key to good decision making – Good decision making is key to survival in today’s competitive and global environment ...
... – In today’s world, accurate, relevant and timely information is the key to good decision making – Good decision making is key to survival in today’s competitive and global environment ...
SimpleDB Overview - Massachusetts Institute of Technology
... • Number of bits in Header = number of Tuples • Header size + size of tuples = BufferPool.PAGE_SIZE ...
... • Number of bits in Header = number of Tuples • Header size + size of tuples = BufferPool.PAGE_SIZE ...
Slide 1
... into a C or C++ style shared library, which then handles the real connection. If the driver is optimized to be so fast that the JNI setup / tear down calls are negligible in cost, then perhaps it might outperform type-4 drivers. Type 3 drivers basically proxy (or relay) the request to another networ ...
... into a C or C++ style shared library, which then handles the real connection. If the driver is optimized to be so fast that the JNI setup / tear down calls are negligible in cost, then perhaps it might outperform type-4 drivers. Type 3 drivers basically proxy (or relay) the request to another networ ...
Oracle Database 11g Administration
... Managing space for rollback and read consistency Configuring UNDO tablespaces Monitoring expansion of rollback segments Swapping to an alternative UNDO tablespace Resetting data to recent points in time with flashback Tracking changes to data values with row history Obtaining transacti ...
... Managing space for rollback and read consistency Configuring UNDO tablespaces Monitoring expansion of rollback segments Swapping to an alternative UNDO tablespace Resetting data to recent points in time with flashback Tracking changes to data values with row history Obtaining transacti ...
SW Life Cycle
... software applications (even though those apps might have separate data models) • Overall picture of organizational data at high level of abstraction – should indicate scope • Descriptions of entity types and relationships between entities as defined by the company’s business rules • Represented by a ...
... software applications (even though those apps might have separate data models) • Overall picture of organizational data at high level of abstraction – should indicate scope • Descriptions of entity types and relationships between entities as defined by the company’s business rules • Represented by a ...
Web-GIS portal for multi-source geographic data of Nordic Sea
... An oceanographic Database (ODB). Develop a web-based application (Web-GIS) to display all different parameters in the ODB system in a browser as a station graph, section graph or section map without using any software/tools. The system will also display satellite images and forecasts from numerical ...
... An oceanographic Database (ODB). Develop a web-based application (Web-GIS) to display all different parameters in the ODB system in a browser as a station graph, section graph or section map without using any software/tools. The system will also display satellite images and forecasts from numerical ...
comp4_unit6a_lecture_slides
... – A change to data in a database is usually only done in one place. ...
... – A change to data in a database is usually only done in one place. ...
IS431 Database System Design, Management and Applications
... 0132302675 (Earlier editions of this text will NOT satisfy the course requirements - only purchase and use the current edition, which has a copyright date of 2009). Course Description (adapted from Catalog): Database system components; data modeling using the Entity-Relationship model, Semantic Obje ...
... 0132302675 (Earlier editions of this text will NOT satisfy the course requirements - only purchase and use the current edition, which has a copyright date of 2009). Course Description (adapted from Catalog): Database system components; data modeling using the Entity-Relationship model, Semantic Obje ...
dBase1
... We examine flat file databases in this book. Databases can also be classified as a prepared database or an empty database. A prepared database (closed database) contains information about a specific subject. Its data can be accessed and read, but not changed. For example, a census on CD-ROM is a pre ...
... We examine flat file databases in this book. Databases can also be classified as a prepared database or an empty database. A prepared database (closed database) contains information about a specific subject. Its data can be accessed and read, but not changed. For example, a census on CD-ROM is a pre ...
db.reading-doc
... systems literature, testing the students' preparedness and ability for pursuing serious research in the database area. As such, students who do not intend to pursue database-related Ph.D. topics are advised not to attempt taking this exam. The exam will be graded with the expectation that each exami ...
... systems literature, testing the students' preparedness and ability for pursuing serious research in the database area. As such, students who do not intend to pursue database-related Ph.D. topics are advised not to attempt taking this exam. The exam will be graded with the expectation that each exami ...
Database Qualifying Exam Reading List, Fall 2007
... systems literature, testing the students' preparedness and ability for pursuing serious research in the database area. As such, students who do not intend to pursue database-related Ph.D. topics are advised not to attempt taking this exam. The exam will be graded with the expectation that each exami ...
... systems literature, testing the students' preparedness and ability for pursuing serious research in the database area. As such, students who do not intend to pursue database-related Ph.D. topics are advised not to attempt taking this exam. The exam will be graded with the expectation that each exami ...
Other DBMS: Networked, Distributed, Object oriented
... OODB: program objects can be arbitrarily complex; however, all data and functions related to one object are stored together. ...
... OODB: program objects can be arbitrarily complex; however, all data and functions related to one object are stored together. ...
Lecture 6 Data Model Design
... tables that contain data – A database is a collection of tables – Tables are assigned the same name as the entity – Each table has columns that correspond to attributes – each column has a unique name – Each column must have a single data type ...
... tables that contain data – A database is a collection of tables – Tables are assigned the same name as the entity – Each table has columns that correspond to attributes – each column has a unique name – Each column must have a single data type ...
View slideshow here - American Museum of Natural History
... Check and emend data entered through Museum Mode Add higher taxon names, institutions, and larger scale locality information, which cannot be added through ...
... Check and emend data entered through Museum Mode Add higher taxon names, institutions, and larger scale locality information, which cannot be added through ...
Introduction
... Summary • A Database – Enables storage and manipulation of data without an application ...
... Summary • A Database – Enables storage and manipulation of data without an application ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.