Patterns for Extending an OO Model with Temporal Features
... of time called interval (which is designed as a numeric type) are abstractions useful to use with their associated operators. For instance, when you want to add 20 days to a period of time or when you want to add 10 months to an interval etc.. Besides absolute time, there is a need for managing rel ...
... of time called interval (which is designed as a numeric type) are abstractions useful to use with their associated operators. For instance, when you want to add 20 days to a period of time or when you want to add 10 months to an interval etc.. Besides absolute time, there is a need for managing rel ...
Scalability Guide Version 1 IBM Endpoint Manager for Software Use Analysis
... resources for processor, memory, and virtual disk allocation. The virtual disk that is allocated for the virtual machine should have dedicated RAID storage, with dedicated input-output bandwidth for that virtual machine. Large environments For large deployments, use dedicated hardware. For optimum p ...
... resources for processor, memory, and virtual disk allocation. The virtual disk that is allocated for the virtual machine should have dedicated RAID storage, with dedicated input-output bandwidth for that virtual machine. Large environments For large deployments, use dedicated hardware. For optimum p ...
DB2 UDB Database Navigator and Reverse Engineer On the V5R1 iSeries Server
... This database also helps with problem determination since the program is shipped with the OS/400 V5R1M0 code. By calling a simple program, you can create a duplicate of this database on any system running V5R1M0. This enables customers and support staff to work on the same database for problem dete ...
... This database also helps with problem determination since the program is shipped with the OS/400 V5R1M0 code. By calling a simple program, you can create a duplicate of this database on any system running V5R1M0. This enables customers and support staff to work on the same database for problem dete ...
Chapter 6: Logical database design and the relational model
... * Remember! The Relational database does not like any type of redundancy. Every table must have a unique name. Attributes in tables must have unique names. Every attribute value is atomic. The order of the columns is irrelevant. The order of the rows is irrelevant. ...
... * Remember! The Relational database does not like any type of redundancy. Every table must have a unique name. Attributes in tables must have unique names. Every attribute value is atomic. The order of the columns is irrelevant. The order of the rows is irrelevant. ...
Database Design - Normalization and SQL
... – Determine what Entities are being used • Some object about which information is to maintained ...
... – Determine what Entities are being used • Some object about which information is to maintained ...
AutoPart: Automating Schema Design for Large Scientific Databases
... complete set of covering indexes. Such a scenario, however, is unrealistic for large-scale scientific databases, where both insertion and storage management costs are seriously considered. This paper describes AutoPart, an algorithm that partitions the tables in the original database according to a ...
... complete set of covering indexes. Such a scenario, however, is unrealistic for large-scale scientific databases, where both insertion and storage management costs are seriously considered. This paper describes AutoPart, an algorithm that partitions the tables in the original database according to a ...
1.1 Introduction to Databases and Systems
... database, data about students, faculty, courses, students taking courses, faculty teaching courses and faculty advising students is related and represents information concerning the academic activities of the college. On the other hand, data about course schedules, bus schedules, and swimming pool h ...
... database, data about students, faculty, courses, students taking courses, faculty teaching courses and faculty advising students is related and represents information concerning the academic activities of the college. On the other hand, data about course schedules, bus schedules, and swimming pool h ...
Theme: Database Transactions in theory and in practice
... and the integration with other products occurs almost always much later in its lifecycle and in some cases, in an ad hoc manner. Even when products interoperate, it is most likely they only interact at the interface level and not at the semantic level. For example, the definition of an atomic unit o ...
... and the integration with other products occurs almost always much later in its lifecycle and in some cases, in an ad hoc manner. Even when products interoperate, it is most likely they only interact at the interface level and not at the semantic level. For example, the definition of an atomic unit o ...
Source Code Management for Dynamics NAV in
... XAML Windows Workflow Foundation Activities creating complex Workflow PowerShell support through custom Activities Build agent for Windows vNext (TFS 2015+) Web and script based Basic Activities defining each step ...
... XAML Windows Workflow Foundation Activities creating complex Workflow PowerShell support through custom Activities Build agent for Windows vNext (TFS 2015+) Web and script based Basic Activities defining each step ...
branch-name
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
Fast Track 3.0 Reference Guide
... warehouses need to support a broad range of queries from a wide-ranging audience (for example: finance, marketing, operations, and research teams). In order to overcome the limitations of traditional data warehouse systems, organizations have resorted to using traditional RDBMS optimization techniqu ...
... warehouses need to support a broad range of queries from a wide-ranging audience (for example: finance, marketing, operations, and research teams). In order to overcome the limitations of traditional data warehouse systems, organizations have resorted to using traditional RDBMS optimization techniqu ...
JDBC Driver
... What is JDBC? JDBC provides Java applications with access to most database systems via SQL The architecture and API closely resemble Microsoft's ODBC (Open DataBase Connectivity) JDBC 1.0 was originally introduced into Java 1.1 JDBC 2.0 was added to Java 1.2 and so on.. ...
... What is JDBC? JDBC provides Java applications with access to most database systems via SQL The architecture and API closely resemble Microsoft's ODBC (Open DataBase Connectivity) JDBC 1.0 was originally introduced into Java 1.1 JDBC 2.0 was added to Java 1.2 and so on.. ...
How to Connect to a Microsoft SQL Server Database that Uses
... Integration Service runs and the Microsoft SQL Server database. Kerberos uses a Key Distribution Center (KDC) to validate the identities of users and services and to grant tickets to authenticated user and service accounts. In the Kerberos protocol, users and services are known as principals. The KD ...
... Integration Service runs and the Microsoft SQL Server database. Kerberos uses a Key Distribution Center (KDC) to validate the identities of users and services and to grant tickets to authenticated user and service accounts. In the Kerberos protocol, users and services are known as principals. The KD ...
CS186: Introduction to Database Systems
... More indexes = better performance? Indexes take space Indexes need to be maintained when data is updated Indexes have one more level of indirection ...
... More indexes = better performance? Indexes take space Indexes need to be maintained when data is updated Indexes have one more level of indirection ...
DBC-e04-Chapter-02-PP
... meaning to users and are usually hidden on forms, queries and reports • A surrogate key is often used in place of a composite primary key KROENKE and AUER - DATABASE CONCEPTS (4th Edition) © 2010, 2008 Pearson Prentice Hall ...
... meaning to users and are usually hidden on forms, queries and reports • A surrogate key is often used in place of a composite primary key KROENKE and AUER - DATABASE CONCEPTS (4th Edition) © 2010, 2008 Pearson Prentice Hall ...
XDAPrevalenceEnglish
... – Persistence layer and – Data access layer (BDE, ADO, etc). • A software layer that keeps all the objects in volatile memory and registers all the transactions carried through in these objects in not volatile memory, allowing to the total recovery of objects in volatile memory after an energy inter ...
... – Persistence layer and – Data access layer (BDE, ADO, etc). • A software layer that keeps all the objects in volatile memory and registers all the transactions carried through in these objects in not volatile memory, allowing to the total recovery of objects in volatile memory after an energy inter ...
Viscosity-RATBestPractices-v1
... Retain existing indexes after migration to SuperCluster? • Workload on SuperCluster is not running faster than on old servers ...
... Retain existing indexes after migration to SuperCluster? • Workload on SuperCluster is not running faster than on old servers ...
Document
... called a star schema. According to [KRRT98] dimensional modelling actually predates the entity-relationship modelling approach, which is the conventional way in which to design a relational database coupled with normalisation theory [MR92, LL99a]. Star schemas can be refined into snowflake schemas p ...
... called a star schema. According to [KRRT98] dimensional modelling actually predates the entity-relationship modelling approach, which is the conventional way in which to design a relational database coupled with normalisation theory [MR92, LL99a]. Star schemas can be refined into snowflake schemas p ...
Chapter 19: Distributed Databases
... A distributed database system consists of loosely coupled sites that share ...
... A distributed database system consists of loosely coupled sites that share ...
Integrating XML and Databases
... HTML, it is a markup language, but it and sharing, integration of commercial transacsupports a richer set of features, such as user- tions, and workflow. The data-centric XML docudefined tags that allow both data and descriptive ment represented in Figure 1 contains invoice information about data to ...
... HTML, it is a markup language, but it and sharing, integration of commercial transacsupports a richer set of features, such as user- tions, and workflow. The data-centric XML docudefined tags that allow both data and descriptive ment represented in Figure 1 contains invoice information about data to ...
Object/Relational Access Layers
... CAD applications: CAD applications are used to manipulate large sets of very complex, interrelated objects. Transactions are long. A CAD designer typically checks out a design, works on it for hours and then checks it back into some data store. Building such applications on top of a relational datab ...
... CAD applications: CAD applications are used to manipulate large sets of very complex, interrelated objects. Transactions are long. A CAD designer typically checks out a design, works on it for hours and then checks it back into some data store. Building such applications on top of a relational datab ...
Chapter 7: Relational Database Design
... Query Optimization: Amongst all equivalent evaluation plans choose ...
... Query Optimization: Amongst all equivalent evaluation plans choose ...
Answer sets for consistent query answering in
... querying the available, although inconsistent, database is much more natural. This rewriting approach introduced in Arenas et al. (1999) is not complete for disjunctive or existential queries, like ∃Y Salary(V . Smith, Y ) in Example 2. We would like to be able to obtain consistent answers to basic ...
... querying the available, although inconsistent, database is much more natural. This rewriting approach introduced in Arenas et al. (1999) is not complete for disjunctive or existential queries, like ∃Y Salary(V . Smith, Y ) in Example 2. We would like to be able to obtain consistent answers to basic ...