Improving response time of database systems by
... The idea of the semantic web (SW) is the redefinition of web-based resources to enable machines to access and easily understand the relevant material with the software agents. This idea of the SW was put forward by Berners-Lee et al. in 2001 [1]. They did not describe the SW as a different entity fro ...
... The idea of the semantic web (SW) is the redefinition of web-based resources to enable machines to access and easily understand the relevant material with the software agents. This idea of the SW was put forward by Berners-Lee et al. in 2001 [1]. They did not describe the SW as a different entity fro ...
Byzantium: Byzantine-Fault-Tolerant Database Replication Providing Snapshot Isolation
... Abstract Database systems are a key component behind many of today’s computer systems. As a consequence, it is crucial that database systems provide correct and continuous service despite unpredictable circumstances, such as software bugs or attacks. This paper presents the design of Byzantium, a By ...
... Abstract Database systems are a key component behind many of today’s computer systems. As a consequence, it is crucial that database systems provide correct and continuous service despite unpredictable circumstances, such as software bugs or attacks. This paper presents the design of Byzantium, a By ...
Salesware System Architecture and Specifications
... and ReportManager from the remote site. If SysManager and ReportManager are used directly on a salespoint at the remote site, Siriusware Inc. recommends a minimum 1 Mbps connection. If a slower connection is used, performance may be poor. It is possible to connect a small number of salespoints to th ...
... and ReportManager from the remote site. If SysManager and ReportManager are used directly on a salespoint at the remote site, Siriusware Inc. recommends a minimum 1 Mbps connection. If a slower connection is used, performance may be poor. It is possible to connect a small number of salespoints to th ...
Concepts of Database Design
... Entity Relationship Diagram (ERD) is picture that shows the relationships between tables of a database Helps discover additional tables and defines relationships Rectangle used to represent each table in a database Line drawn between tables that are directly related At end of each line, in ...
... Entity Relationship Diagram (ERD) is picture that shows the relationships between tables of a database Helps discover additional tables and defines relationships Rectangle used to represent each table in a database Line drawn between tables that are directly related At end of each line, in ...
Introduction - Gavin Soorma
... The datafile names need not be changed as the entire database in being migrated to 10g. As a bonus this database is being upgraded to 10.2.0.3. The SOURCE database was 10.2.0.2. All one has to do is create the new database in the higher version and simply plug the SOURCE tablespaces into the TARGET ...
... The datafile names need not be changed as the entire database in being migrated to 10g. As a bonus this database is being upgraded to 10.2.0.3. The SOURCE database was 10.2.0.2. All one has to do is create the new database in the higher version and simply plug the SOURCE tablespaces into the TARGET ...
Concurrent Control
... • When any write operation is performed, write a log record containing the after-image of the update. • When a transaction is about to commit: – write a Transaction Commit log record, – write all the log records for the transaction to disk, then – Use the log records to perform the actual updates to ...
... • When any write operation is performed, write a log record containing the after-image of the update. • When a transaction is about to commit: – write a Transaction Commit log record, – write all the log records for the transaction to disk, then – Use the log records to perform the actual updates to ...
Maintaining Database Integrity with Refinement Types
... functional language F# [28], but compiled to SQL for efficient execution in the relational backend. This is an instance of multi-tier functional programming, where a single functional program is split across tiers including the web server and the database. Our mapping is based on three ideas: (1) W ...
... functional language F# [28], but compiled to SQL for efficient execution in the relational backend. This is an instance of multi-tier functional programming, where a single functional program is split across tiers including the web server and the database. Our mapping is based on three ideas: (1) W ...
Slide 1
... Oracle In-Memory Database Cache Accelerator for Oracle Database Applications • Reduced response time and increased throughput for Oracle Database applications • Oracle Database tables cached in the application-tier – Groups of related tables – All or subset of rows and columns ...
... Oracle In-Memory Database Cache Accelerator for Oracle Database Applications • Reduced response time and increased throughput for Oracle Database applications • Oracle Database tables cached in the application-tier – Groups of related tables – All or subset of rows and columns ...
On Database Theory and XML
... the industry proposal CODASYL [58], but then became universally adopted and today we have both a strong industry and a ourishing research eld. The end of 70's and early 80's were golden years for database theoreticians. Theory had two principal threads [61], relational database theory (dependency ...
... the industry proposal CODASYL [58], but then became universally adopted and today we have both a strong industry and a ourishing research eld. The end of 70's and early 80's were golden years for database theoreticians. Theory had two principal threads [61], relational database theory (dependency ...
On Database Theory and XML
... the industry proposal CODASYL [58], but then became universally adopted and today we have both a strong industry and a ourishing research eld. The end of 70's and early 80's were golden years for database theoreticians. Theory had two principal threads [61], relational database theory (dependency ...
... the industry proposal CODASYL [58], but then became universally adopted and today we have both a strong industry and a ourishing research eld. The end of 70's and early 80's were golden years for database theoreticians. Theory had two principal threads [61], relational database theory (dependency ...
ACT! Diagnostics User`s Guide
... Diagnostics page provides program and vendor information and a link to the Technical Support Web site. The following items are also provided on the About Act! Diagnostics page. Version. This may or may not match the version of your Act! application; either is acceptable. Command Timeout (seconds). D ...
... Diagnostics page provides program and vendor information and a link to the Technical Support Web site. The following items are also provided on the About Act! Diagnostics page. Version. This may or may not match the version of your Act! application; either is acceptable. Command Timeout (seconds). D ...
cos346day18
... • DBA’s tasks: – Participate in database and application development • Assist in requirements stage and data model creation • Play an active role in database design and creation ...
... • DBA’s tasks: – Participate in database and application development • Assist in requirements stage and data model creation • Play an active role in database design and creation ...
No Slide Title - California State University Channel Islands
... • User Friendly: SQL is a non-procedural easy-to-learn language. It allows you to work with higher level data structures. Rather than manipulating single rows. A user can gets the desired data simply by specifying SQL without go through complex procedure programming language. • Supported by Mathemat ...
... • User Friendly: SQL is a non-procedural easy-to-learn language. It allows you to work with higher level data structures. Rather than manipulating single rows. A user can gets the desired data simply by specifying SQL without go through complex procedure programming language. • Supported by Mathemat ...
SQL Server Yukon - Microsoft Center
... or you can write factory function (no "new" in T-SQL) CREATE TABLE point_tab( id int primary key, thepoint PointCls) INSERT INTO point_tab values(1, '100:200') DECLARE @p PointCls SET @p = convert(PointCls, '300:400') ...
... or you can write factory function (no "new" in T-SQL) CREATE TABLE point_tab( id int primary key, thepoint PointCls) INSERT INTO point_tab values(1, '100:200') DECLARE @p PointCls SET @p = convert(PointCls, '300:400') ...
Databases 1 - Computing Science and Mathematics
... again. This is surely unnecessary! Let’s go back to our basic tables (Book and Borrower). Notice that the Book table contains an ISBN column to hold the International Standard Book Numbering code, which identifies the book uniquely. Obviously, in practice, the library may have several copies of the ...
... again. This is surely unnecessary! Let’s go back to our basic tables (Book and Borrower). Notice that the Book table contains an ISBN column to hold the International Standard Book Numbering code, which identifies the book uniquely. Obviously, in practice, the library may have several copies of the ...
CQ: A P
... a continual query request is issued, the client manager will parse the form request and construct the three key components of a continual query (Q, Tcq , Stop), before storing it in the CQ system repository. Although not a direct part of the CQ project, one could imagine value-added update monitorin ...
... a continual query request is issued, the client manager will parse the form request and construct the three key components of a continual query (Q, Tcq , Stop), before storing it in the CQ system repository. Although not a direct part of the CQ project, one could imagine value-added update monitorin ...
Sun Microsystems Inc. JDBC 2.1 API
... The JDBC 1.0 API provided one result set type—forward-only. The JDBC 2.1 core API provides three result set types: forward-only, scroll-insensitive, and scroll-sensitive. As their names suggest, the new result set types support scrolling, but they differ in their ability to make changes visible whil ...
... The JDBC 1.0 API provided one result set type—forward-only. The JDBC 2.1 core API provides three result set types: forward-only, scroll-insensitive, and scroll-sensitive. As their names suggest, the new result set types support scrolling, but they differ in their ability to make changes visible whil ...
Database Systems Session 2 – Main Theme Relational Data Model
... single (possibly physically distributed) database system We start with a very simple example to introduce some concepts and issues to address We look at only a very small part of information of the type that an enterprise may need to keep We need some way of describing sample data We will th ...
... single (possibly physically distributed) database system We start with a very simple example to introduce some concepts and issues to address We look at only a very small part of information of the type that an enterprise may need to keep We need some way of describing sample data We will th ...
1995-01-01:1996-12-31
... Support for ‘now’ ‘now’: no change until now Internally, “end of time” values are used to denote ‘now’, e.g., 9999-12-31 Intervals are only accessed through built-in functions: tstart() returns the start of an interval, tend() returns ...
... Support for ‘now’ ‘now’: no change until now Internally, “end of time” values are used to denote ‘now’, e.g., 9999-12-31 Intervals are only accessed through built-in functions: tstart() returns the start of an interval, tend() returns ...
AlwaysON (HADR): Step-by-Setup setup guide
... server failure scenarios. The two technologies are vastly different; serving different failure scenarios, but could be implemented together if the need arises. AlwaysOn Availability Groups provide advanced technologies similar to SQL mirroring and is based purely on non-shared storage. Like mirrorin ...
... server failure scenarios. The two technologies are vastly different; serving different failure scenarios, but could be implemented together if the need arises. AlwaysOn Availability Groups provide advanced technologies similar to SQL mirroring and is based purely on non-shared storage. Like mirrorin ...
Document
... memory' attempts to simplify concurrent programming by allowing a group of load and store instructions to execute in an linearizability|atomic way. It is a concurrency control mechanism analogous to database transactions for controlling access to shared memory in concurrent computing. ...
... memory' attempts to simplify concurrent programming by allowing a group of load and store instructions to execute in an linearizability|atomic way. It is a concurrency control mechanism analogous to database transactions for controlling access to shared memory in concurrent computing. ...