Concepts for Object-Oriented Databases
... behavior (operations). Similar to program variable in programming language, except that it will typically have a complex data structure as well as specific operations defined by the programmer Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Ramez Elmasri and Shamka ...
... behavior (operations). Similar to program variable in programming language, except that it will typically have a complex data structure as well as specific operations defined by the programmer Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Ramez Elmasri and Shamka ...
PowerPoint Presentation - VARS Overview
... developers. 2) Maximize use of existing software (e.g. old VIMS query and commercially available software) 3) Provide a solution that can be exported to other institutions. 4) The database should be simple to maintain by MBARI IS administrators. ...
... developers. 2) Maximize use of existing software (e.g. old VIMS query and commercially available software) 3) Provide a solution that can be exported to other institutions. 4) The database should be simple to maintain by MBARI IS administrators. ...
Temporal Data Capture
... Design Goals for Temporal Data Capture (TDC) 1. Easy to implement and consume 2. Leverage existing knowledge of CDC to speed understanding of TDC 3. Be applicable in the cloud and on premise In fact, on premise also has the capability to leverage StretchDB for more cost effective storage of TDC his ...
... Design Goals for Temporal Data Capture (TDC) 1. Easy to implement and consume 2. Leverage existing knowledge of CDC to speed understanding of TDC 3. Be applicable in the cloud and on premise In fact, on premise also has the capability to leverage StretchDB for more cost effective storage of TDC his ...
Database Buffer Cache
... A database consists of one or more tablespaces. A tablespace is a logical grouping of one or more physical datafiles or tempfiles, and is the primary structure by which the database manages storage. There are various types of tablespaces, including the following: Permanent tablespaces These tables ...
... A database consists of one or more tablespaces. A tablespace is a logical grouping of one or more physical datafiles or tempfiles, and is the primary structure by which the database manages storage. There are various types of tablespaces, including the following: Permanent tablespaces These tables ...
Conceptual Queries using ConQuer–II
... Although UML allows collection types to be introduced directly as stereotypes, base ORM, as supported in industry tools, has no such feature. However various ORM extensions, such as the Predicator Set Model (PSM) [22, 23, 24, 25] do support collection types (sets, sequences, unique sequences, bags a ...
... Although UML allows collection types to be introduced directly as stereotypes, base ORM, as supported in industry tools, has no such feature. However various ORM extensions, such as the Predicator Set Model (PSM) [22, 23, 24, 25] do support collection types (sets, sequences, unique sequences, bags a ...
Top of Form Week 1: Roles of Databases, MS Access Familiarity
... A possible explanation to the popularity of the Access database is people's familiarity with Microsoft products. They have been using them for a while now and they are pretty common due to the abundance of computers with the Windows OS. The fact that Access is pretty easy to use does not hinder its ...
... A possible explanation to the popularity of the Access database is people's familiarity with Microsoft products. They have been using them for a while now and they are pretty common due to the abundance of computers with the Windows OS. The fact that Access is pretty easy to use does not hinder its ...
CS 5614: (Big) Data Management Systems
... • Naviga/onal and hierarchical • User programmed the queries by walking from node to node in the DBMS. ...
... • Naviga/onal and hierarchical • User programmed the queries by walking from node to node in the DBMS. ...
Optimization of Data Warehouse Design and Architecture
... specialized hardware as well. This makes it much more expensive to scale up. Another term used for this kind of architecture is Symmetric Multiprocessing (Inmon, Rudin, Buss, & Sousa, 1999). 2.1.2 Shared Disk Shared disk architecture involves a number of processers each with its own memory. A disk o ...
... specialized hardware as well. This makes it much more expensive to scale up. Another term used for this kind of architecture is Symmetric Multiprocessing (Inmon, Rudin, Buss, & Sousa, 1999). 2.1.2 Shared Disk Shared disk architecture involves a number of processers each with its own memory. A disk o ...
Tutorial - Teklynx
... In this chapter we are going to link a label (the container) with a database (the content). To do this, we will use ODBC (Open DataBase Connectivity) or OLE DB connections. Databases allow you to store data. All data is organized into two-dimensional tables in what is called a relationship. Each row ...
... In this chapter we are going to link a label (the container) with a database (the content). To do this, we will use ODBC (Open DataBase Connectivity) or OLE DB connections. Databases allow you to store data. All data is organized into two-dimensional tables in what is called a relationship. Each row ...
ASP.NET Programming with C# and SQL Server First
... Understanding Relational Databases (cont’d.) • Primary key: a field that uniquely identifies a record in a table • Foreign key: a field in a related table that refers to the primary key in a primary table • Index: a field that identifies records in a database to make retrievals and sorting faster – ...
... Understanding Relational Databases (cont’d.) • Primary key: a field that uniquely identifies a record in a table • Foreign key: a field in a related table that refers to the primary key in a primary table • Index: a field that identifies records in a database to make retrievals and sorting faster – ...
02 Backend Architecture
... top-level interface is IBackendObject which provides a number of attributes common to all objects in the backend. The IEntity, IUser, and IContent classes derive from this, each adding methods specific to users and content. Another interface, IBackendObjectCollection, is also exposed, which not only ...
... top-level interface is IBackendObject which provides a number of attributes common to all objects in the backend. The IEntity, IUser, and IContent classes derive from this, each adding methods specific to users and content. Another interface, IBackendObjectCollection, is also exposed, which not only ...
DBAI_les01
... • Memory reserved for each user process connecting to an Oracle database • Allocated when a process is ...
... • Memory reserved for each user process connecting to an Oracle database • Allocated when a process is ...
Set Transaction Statement
... different to the budget value of the second select. If the isolation level is set to REPEATABLE READ, then two budget values are the same. That’s why it is called repeatable read. ...
... different to the budget value of the second select. If the isolation level is set to REPEATABLE READ, then two budget values are the same. That’s why it is called repeatable read. ...
Connecting Business Objects to Relational Databases
... objects persistent. This is because of a fundamental impedance mismatch1 between the two paradigms; objects consist of both data and behavior and often have inheritance while relational databases consist of tables, relations and basic predicate calculus functions to return desired values. One way to ...
... objects persistent. This is because of a fundamental impedance mismatch1 between the two paradigms; objects consist of both data and behavior and often have inheritance while relational databases consist of tables, relations and basic predicate calculus functions to return desired values. One way to ...
Java JDBC
... Transaction Support • Consists of one or more statements that have been executed, completed, and then either committed or rolled back • Default mode for statements is auto-commit – Each statement becomes a “transaction” ...
... Transaction Support • Consists of one or more statements that have been executed, completed, and then either committed or rolled back • Default mode for statements is auto-commit – Each statement becomes a “transaction” ...
Slide 1 - HSLS - University of Pittsburgh
... Vector NTI Database Maintenance 1. Database Backup Backing up your database is extremely important. It should be performed at least every month, but a weekly backup is recommended. Backups should be stored on both the hard drive and a removable media, such as a CD. – Menu|Database > Database Backup ...
... Vector NTI Database Maintenance 1. Database Backup Backing up your database is extremely important. It should be performed at least every month, but a weekly backup is recommended. Backups should be stored on both the hard drive and a removable media, such as a CD. – Menu|Database > Database Backup ...
Computing with Java:
... data that we need to save gets larger the services of a database system become invaluable. A database system allows us to model the information we need while it handles the details of inserting, removing, and retrieving data from individual files in response to our requests. Of course each database ...
... data that we need to save gets larger the services of a database system become invaluable. A database system allows us to model the information we need while it handles the details of inserting, removing, and retrieving data from individual files in response to our requests. Of course each database ...
Chapter 9
... functional dependency, foreign key, referential integrity, field, data type, null value, denormalization, file organization, index, and secondary key. Explain the role of designing databases in the analysis and design of an information system. Transform an entity-relationship (E-R) diagram into an e ...
... functional dependency, foreign key, referential integrity, field, data type, null value, denormalization, file organization, index, and secondary key. Explain the role of designing databases in the analysis and design of an information system. Transform an entity-relationship (E-R) diagram into an e ...
Introduction to Database Systems
... Search key is not the same as key (minimal set of fields that uniquely identify a record in a relation) ...
... Search key is not the same as key (minimal set of fields that uniquely identify a record in a relation) ...
Integrating reliable memory in databases
... than a file system can, because databases know more about their access patterns. Our second software design (Sect. 5.2) addresses this problem by mapping the Rio file cache into the database address space. This exposes reliable memory to database crashes, and we quantify the increased risk posed by ...
... than a file system can, because databases know more about their access patterns. Our second software design (Sect. 5.2) addresses this problem by mapping the Rio file cache into the database address space. This exposes reliable memory to database crashes, and we quantify the increased risk posed by ...
Best Practices in Data Integration: Advanced Data Management
... your production environment . It may be that your site restricts access to production servers such that only some users have permission to place jobs on the production system . It is for these types of deployments that we have developed a command line interface for job deployment . By providing a co ...
... your production environment . It may be that your site restricts access to production servers such that only some users have permission to place jobs on the production system . It is for these types of deployments that we have developed a command line interface for job deployment . By providing a co ...