Open Forum Concept - SC32 WG2 Metadata Standards Home Page
... Software Component Registries -- Software Components ...
... Software Component Registries -- Software Components ...
Database Buffer Cache
... 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 tablespaces are used to store system and user data. Permanent tablespaces consist of one ...
... 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 tablespaces are used to store system and user data. Permanent tablespaces consist of one ...
Chapter A: Network Model
... For queries in which a field value must be matched with a specified range of ...
... For queries in which a field value must be matched with a specified range of ...
functional dependencies
... » Break up the relation such that every partial key with their dependent attributes is in a separate relation. Only keep those attributes that depend totally on the primary key ...
... » Break up the relation such that every partial key with their dependent attributes is in a separate relation. Only keep those attributes that depend totally on the primary key ...
Data Extraction, Transformation, and Loading Techniques
... transformation, and loading. In its simplest form, ETL is the process of copying data from one database to another. This simplicity is rarely, if ever, found in data warehouse implementations; in reality, ETL is often a complex combination of process and technology that consumes a significant portio ...
... transformation, and loading. In its simplest form, ETL is the process of copying data from one database to another. This simplicity is rarely, if ever, found in data warehouse implementations; in reality, ETL is often a complex combination of process and technology that consumes a significant portio ...
Database Cloud Service - Exadata
... solutions require costly and time-consuming integration of piecemeal components, plus configuring, testing and more. All that time and complexity compromises the cloud's promise of instant value and rapid elasticity. ...
... solutions require costly and time-consuming integration of piecemeal components, plus configuring, testing and more. All that time and complexity compromises the cloud's promise of instant value and rapid elasticity. ...
CHAPTER 2
... Informally, each relation resembles a table or, to some extent, a simple file. When a relation is thought of as a table of values, each row in the table represents a collection of related data values. These values can be interpreted as facts describing a real world entity or relationship. The table ...
... Informally, each relation resembles a table or, to some extent, a simple file. When a relation is thought of as a table of values, each row in the table represents a collection of related data values. These values can be interpreted as facts describing a real world entity or relationship. The table ...
Heterogeneous / Federated / Multi-Database Systems
... • Global dictionary information is used to query and manipulate the data. The global language statements are translated into equivalent statements of the local languages supported by the local systems ...
... • Global dictionary information is used to query and manipulate the data. The global language statements are translated into equivalent statements of the local languages supported by the local systems ...
Big Data Fundamentals - Washington University in St. Louis
... If there are more map tasks than processors, map tasks continue until all of them are complete. A new strategy is used to assign Reduce jobs so that it can be done in parallel The results are combined. Synchronization: The map jobs should be comparables so that they finish together. Similarly ...
... If there are more map tasks than processors, map tasks continue until all of them are complete. A new strategy is used to assign Reduce jobs so that it can be done in parallel The results are combined. Synchronization: The map jobs should be comparables so that they finish together. Similarly ...
Modeling and Querying Moving Objects
... evaluated on the infinite history starting at t, i.e. the time when the query is entered. t is usually the time when the query is entered. For example, the query Q = ”Display the motels within 5 miles of my position”, when considered as an instantaneous query returns a set of motels presented to the ...
... evaluated on the infinite history starting at t, i.e. the time when the query is entered. t is usually the time when the query is entered. For example, the query Q = ”Display the motels within 5 miles of my position”, when considered as an instantaneous query returns a set of motels presented to the ...
- SlideBoom
... Question 3. 3. (TCO 2) A relationship is an association between _____ Question 4. 4. (TCO 2) A _____ key is a key that is composed of more than one attribute. Question 5. 5. (TCO 3) The PK must uniquely identify each entity instance. A primary key must be able to guarantee unique values. It cannot c ...
... Question 3. 3. (TCO 2) A relationship is an association between _____ Question 4. 4. (TCO 2) A _____ key is a key that is composed of more than one attribute. Question 5. 5. (TCO 3) The PK must uniquely identify each entity instance. A primary key must be able to guarantee unique values. It cannot c ...
marked - Kansas State University
... Permits definition of procedures in SQL, with if-then-else statements, for and while loops, etc. more in Chapter 9 ...
... Permits definition of procedures in SQL, with if-then-else statements, for and while loops, etc. more in Chapter 9 ...
Fundamental of Database Systems 1401312-3
... fashion. In general, the result of R(A1, A2, . . ., An) x S(B1, B2, . . ., Bm) is a relation Q with degree n + m attributes Q(A1, A2, . . ., An, B1, B2, . . ., Bm), in that order. The resulting relation Q has one tuple for each combination of tuples—one from R and one from S. ...
... fashion. In general, the result of R(A1, A2, . . ., An) x S(B1, B2, . . ., Bm) is a relation Q with degree n + m attributes Q(A1, A2, . . ., An, B1, B2, . . ., Bm), in that order. The resulting relation Q has one tuple for each combination of tuples—one from R and one from S. ...
Fast Food Restaurant Database
... The customer entity is the set of customers that comes to the fast food restaurants. This entity consists of: name and order number. The “contains” relationship shows what items the order contains. ...
... The customer entity is the set of customers that comes to the fast food restaurants. This entity consists of: name and order number. The “contains” relationship shows what items the order contains. ...
ch15old
... 1. For each data item Q, if transaction Ti reads the initial value of Q in schedule S, then transaction Ti must, in schedule S´, also read the initial value of Q. 2. For each data item Q, if transaction Ti executes read(Q) in schedule S, and that value was produced by transaction Tj, then transactio ...
... 1. For each data item Q, if transaction Ti reads the initial value of Q in schedule S, then transaction Ti must, in schedule S´, also read the initial value of Q. 2. For each data item Q, if transaction Ti executes read(Q) in schedule S, and that value was produced by transaction Tj, then transactio ...
The object-oriented database and processing of electronic warfare data Lee, J. J.
... The objective of our thesis is to research into the application of object-oriented database management for the Electronic Warfare Integrated Reprogramming (EWIR) data. This research is driven by the following factors: • Object-oriented database management is the latest database technology. • The eff ...
... The objective of our thesis is to research into the application of object-oriented database management for the Electronic Warfare Integrated Reprogramming (EWIR) data. This research is driven by the following factors: • Object-oriented database management is the latest database technology. • The eff ...
extended version - Department of Computer Science, University of
... unions of conjunctive queries [21]. The processing of such a query critically draws on the observation that the traces of the compilation for subqueries of the input query are OBDDs, whose variable orders are compatible, depths are linear in the database size, and widths only depend on the number of ...
... unions of conjunctive queries [21]. The processing of such a query critically draws on the observation that the traces of the compilation for subqueries of the input query are OBDDs, whose variable orders are compatible, depths are linear in the database size, and widths only depend on the number of ...
Welcome! [www.web
... Lab: Find a type 2, 3 or 4 driver to use with Microsoft Access Your driver documentation will give you the class name to use. For instance, if the class name is jdbc.DriverXYZ , you would load the driver with the following line of code: Class.forName("jdbc.DriverXYZ"); Another driver lab: Set up dis ...
... Lab: Find a type 2, 3 or 4 driver to use with Microsoft Access Your driver documentation will give you the class name to use. For instance, if the class name is jdbc.DriverXYZ , you would load the driver with the following line of code: Class.forName("jdbc.DriverXYZ"); Another driver lab: Set up dis ...
Database Lifecycle Management
... the database needs frequent or periodic changes to features, functionality, or data, then this book is for you. It describes how to apply the business and technical approaches of Database Lifecycle Management (DLM) to make all database processes more visible, predictable, and measurable, with the ob ...
... the database needs frequent or periodic changes to features, functionality, or data, then this book is for you. It describes how to apply the business and technical approaches of Database Lifecycle Management (DLM) to make all database processes more visible, predictable, and measurable, with the ob ...
SQL Query Dissembler –A Self Optimizing Autonomic
... more important, queries. A decomposition algorithm that breaks up a large query into a set of equivalent smaller queries is discussed in detail. Our experiments show that concurrent execution of large resource-intensive queries can have significant impact on the performance of other workloads, espec ...
... more important, queries. A decomposition algorithm that breaks up a large query into a set of equivalent smaller queries is discussed in detail. Our experiments show that concurrent execution of large resource-intensive queries can have significant impact on the performance of other workloads, espec ...
Title Slide - Computer Science Department @ University of
... • H. Darwen, An Introduction to Relational Database Theory, ISBN 97887-7681-500-4 Bookboon • Korth and Silberschatz, Database System Concepts, McGrawHill,1991. • C. Date, "An Introduction to Database Systems", Addison-Wesley Longman, 2003 (8th ed.) • C. Date, "Database in Depth: The Relational Model ...
... • H. Darwen, An Introduction to Relational Database Theory, ISBN 97887-7681-500-4 Bookboon • Korth and Silberschatz, Database System Concepts, McGrawHill,1991. • C. Date, "An Introduction to Database Systems", Addison-Wesley Longman, 2003 (8th ed.) • C. Date, "Database in Depth: The Relational Model ...
CTAMS Geomedia User Tool Documentation July 1998
... Add feature classes from the warehouse to the map window following normal directions. The Database Info Button Once a data warehouse is selected, click the Database Info button to view more information regarding the warehouse. Available information includes: ...
... Add feature classes from the warehouse to the map window following normal directions. The Database Info Button Once a data warehouse is selected, click the Database Info button to view more information regarding the warehouse. Available information includes: ...
Language Integrated Query: An introduction
... Make query a part of the language Component of .NET Framework 3.5 ...
... Make query a part of the language Component of .NET Framework 3.5 ...
ADO.Net - ODU Computer Science
... string. The connection string identifies the SQL server name, the SQL database name, and satisfies the authorization requirement by providing a user name and a password, or by specifying Trusted_Connection=true. You can specify the connection string in line within the constructor line, or you can sp ...
... string. The connection string identifies the SQL server name, the SQL database name, and satisfies the authorization requirement by providing a user name and a password, or by specifying Trusted_Connection=true. You can specify the connection string in line within the constructor line, or you can sp ...