Chapter 15: Transactions Transaction Concept ACID Properties
... To preserve integrity of data, the database system must ensure: ! Atomicity. Either all operations of the transaction are properly reflected in the database or none are. ! Consistency. Execution of a transaction in isolation preserves the consistency of the database. ! Isolation. Although multiple t ...
... To preserve integrity of data, the database system must ensure: ! Atomicity. Either all operations of the transaction are properly reflected in the database or none are. ! Consistency. Execution of a transaction in isolation preserves the consistency of the database. ! Isolation. Although multiple t ...
Leveraging Oracle Business Intelligence Tools with the OLAP optio
... The OLAP API is a Java, object oriented API that provides a multidimensional object model, metadata discovery and support for multidimensional data selection, navigation and calculations. The OLAP option supports both relational and multidimensional data types as data sources. As such, it supports b ...
... The OLAP API is a Java, object oriented API that provides a multidimensional object model, metadata discovery and support for multidimensional data selection, navigation and calculations. The OLAP option supports both relational and multidimensional data types as data sources. As such, it supports b ...
Lore: A Database Management System for
... To set the stage for our discussion of the Lore system, we rst introduce its data model and query language. For motivation and further details see [AQM+ 96]. 2.1 The Object Exchange Model The Object Exchange Model (OEM) [PGMW95] is designed for semistructured data. Data in this model can be thought ...
... To set the stage for our discussion of the Lore system, we rst introduce its data model and query language. For motivation and further details see [AQM+ 96]. 2.1 The Object Exchange Model The Object Exchange Model (OEM) [PGMW95] is designed for semistructured data. Data in this model can be thought ...
Transactional Consistency and Automatic Management
... depend on database queries. Such caching is useful because it averts costly post-processing of database records, such as converting them to an internal representation, or generating partial HTML output. It also allows common content to be cached separately from customized content, so that it can be ...
... depend on database queries. Such caching is useful because it averts costly post-processing of database records, such as converting them to an internal representation, or generating partial HTML output. It also allows common content to be cached separately from customized content, so that it can be ...
Chapter 7: Relational Database Design
... Durability requirement — once the user has been notified that the transaction has completed (i.e., the transfer of the $50 has taken place), the updates to the database by the transaction must persist despite failures. Isolation requirement — if between steps 3 and 6, another transaction is allo ...
... Durability requirement — once the user has been notified that the transaction has completed (i.e., the transfer of the $50 has taken place), the updates to the database by the transaction must persist despite failures. Isolation requirement — if between steps 3 and 6, another transaction is allo ...
Privacy-preserving Semantic Interoperation and Access Control of Heterogeneous Databases
... ontologies, encrypted ontology-mapping tables and conversion functions, encrypted role hierarchies and encrypted queries. The encrypted results of queries are sent directly from the responding system to the requesting system, bypassing the mediator to further improve the security of the system. PACT ...
... ontologies, encrypted ontology-mapping tables and conversion functions, encrypted role hierarchies and encrypted queries. The encrypted results of queries are sent directly from the responding system to the requesting system, bypassing the mediator to further improve the security of the system. PACT ...
Relational Database Systems 1
... 13.1 Manual Persistence • Note: The generated UID is usually not related to the real object identity (i.e. internal Java ID) – however, it serves the same purpose of identifying and connecting related rows in the RDBMS – although the UIDs do not convey information that is needed within the applicat ...
... 13.1 Manual Persistence • Note: The generated UID is usually not related to the real object identity (i.e. internal Java ID) – however, it serves the same purpose of identifying and connecting related rows in the RDBMS – although the UIDs do not convey information that is needed within the applicat ...
Welcome to the ARPEGGIO Information Publisher
... gives professional developers the tools they need to integrate data access and publishing capabilities into custom applications. To meet the information access and publishing needs of today's corporate decision makers, Wall Data has created an innovative suite of products under the ARPEGGIO™ brand. ...
... gives professional developers the tools they need to integrate data access and publishing capabilities into custom applications. To meet the information access and publishing needs of today's corporate decision makers, Wall Data has created an innovative suite of products under the ARPEGGIO™ brand. ...
Element
... Derived from SGML (Standard Generalized Markup Language), but simpler to use than SGML ...
... Derived from SGML (Standard Generalized Markup Language), but simpler to use than SGML ...
Intelligent SQL generation for persistent object retrieval
... elements nor delineate scope. Its sole purpose is to present some concepts in a simpli?ed form as a prelude to the more ...
... elements nor delineate scope. Its sole purpose is to present some concepts in a simpli?ed form as a prelude to the more ...
SQL Server 2014 In-Memory OLTP TDM White Paper
... working sets that are significantly smaller. As of 2012, even a two socket server could hold 2TB of DRAM using 32GB DIMMS (such as IBM x3680 X5). Looking further ahead, it’s entirely possible that in a few years you’ll be able to build distributed DRAM based systems with capacities of 1-10 Petabytes ...
... working sets that are significantly smaller. As of 2012, even a two socket server could hold 2TB of DRAM using 32GB DIMMS (such as IBM x3680 X5). Looking further ahead, it’s entirely possible that in a few years you’ll be able to build distributed DRAM based systems with capacities of 1-10 Petabytes ...
Deploying Microsoft SQL Server on Amazon Web Services
... responsible for administering the database, including backups and recovery, patching the operating system and the database, tuning of the operating system and database parameters, managing security, and configuring high availability or replication. You have full control over the operating system, da ...
... responsible for administering the database, including backups and recovery, patching the operating system and the database, tuning of the operating system and database parameters, managing security, and configuring high availability or replication. You have full control over the operating system, da ...
Android Persistent Data Storage: Introduction
... Android SQLite • Android supports SQLite, which provides a relational database for a mobile device • It’s designed to operate within a small footprint (<300kB) within a single cross-platform disk file • Implements most of SQL92 & supports so-called “ACID” transactions • Access to an SQLite database ...
... Android SQLite • Android supports SQLite, which provides a relational database for a mobile device • It’s designed to operate within a small footprint (<300kB) within a single cross-platform disk file • Implements most of SQL92 & supports so-called “ACID” transactions • Access to an SQLite database ...
Sliding-Window Filtering: An Efficient Algorithm for Incremental Mining
... overhead due to the need of keeping a portion of database in memory, as indicated in [13], could become more severe in the presence of a large database upon which an incremental mining process is usually performed. To the best of our knowledge, there is little progress made thus far to explicitly ad ...
... overhead due to the need of keeping a portion of database in memory, as indicated in [13], could become more severe in the presence of a large database upon which an incremental mining process is usually performed. To the best of our knowledge, there is little progress made thus far to explicitly ad ...
Transaction manager
... (a) If two transactions only read a data item, they do not conflict and order is not important. (b) If two transactions either read or write completely separate data items, they do not conflict and order is not important. (c) If one transaction writes a data item and another reads or writes same dat ...
... (a) If two transactions only read a data item, they do not conflict and order is not important. (b) If two transactions either read or write completely separate data items, they do not conflict and order is not important. (c) If one transaction writes a data item and another reads or writes same dat ...
Extensible Indexing: A Framework for Integrating Domain
... Indexing, a SQL-based interface that allows users to define domain-specific operators and indexing schemes, and integrate them into the Oracle8 i server. Oracle provides a set of pre-defined operators which include arithmetic operators (+, -, *, /), comparison operators ( =, >, <) and logical operat ...
... Indexing, a SQL-based interface that allows users to define domain-specific operators and indexing schemes, and integrate them into the Oracle8 i server. Oracle provides a set of pre-defined operators which include arithmetic operators (+, -, *, /), comparison operators ( =, >, <) and logical operat ...
RMAN Database Cloning Process
... already exist. Note – If the datafile names and locations are to be identical between the two servers, you MUST use the NOFILENAMECHECK option of the database duplicate command. See the command is step 12 for details. On the auxiliary server, create a new init.ora file for the cloned database. Use a ...
... already exist. Note – If the datafile names and locations are to be identical between the two servers, you MUST use the NOFILENAMECHECK option of the database duplicate command. See the command is step 12 for details. On the auxiliary server, create a new init.ora file for the cloned database. Use a ...
1 - CUHK CSE
... simple text or a binary data such as image or audio. It applies CORBA standard and the Visigenic's VisiBroker for CORBA Implementation in client-server based approach. The design of the system is broken into several phases. During the development of the system, the first step is to create a single p ...
... simple text or a binary data such as image or audio. It applies CORBA standard and the Visigenic's VisiBroker for CORBA Implementation in client-server based approach. The design of the system is broken into several phases. During the development of the system, the first step is to create a single p ...
Greenplum Database Security Configuration Guide, A01
... In Greenplum Database, the pg_hba.conf file of the master instance controls client access and authentication to your Greenplum system. The segments also have pg_hba.conf files, but these are already correctly configured to only allow client connections from the master host. The segments never accept ...
... In Greenplum Database, the pg_hba.conf file of the master instance controls client access and authentication to your Greenplum system. The segments also have pg_hba.conf files, but these are already correctly configured to only allow client connections from the master host. The segments never accept ...