004.02 Paterson Object Persistence December 2004
... – a field may contain an object with attributes and operations. – complex objects can be stored in relational tables – the object relational model offers some of the advantages of both the relational and object data models ...
... – a field may contain an object with attributes and operations. – complex objects can be stored in relational tables – the object relational model offers some of the advantages of both the relational and object data models ...
Reflective Database Access Control
... Datalog-based reflective database access control can provide a flexible, scalable, and efficient mechanism for defining, enforcing, and formally reasoning about fine-grained access control policies. ...
... Datalog-based reflective database access control can provide a flexible, scalable, and efficient mechanism for defining, enforcing, and formally reasoning about fine-grained access control policies. ...
Chapter 3 - Relational Model
... Name of relation indicates the current set of tuples in that relation whereas STUDENT(name, rollno,…) refers relation schema only ...
... Name of relation indicates the current set of tuples in that relation whereas STUDENT(name, rollno,…) refers relation schema only ...
Document
... • Craig Gentry: Fully homomorphic encryption using ideal lattices. ACM STOC 2009. • From Stanford University and IBM Watson ...
... • Craig Gentry: Fully homomorphic encryption using ideal lattices. ACM STOC 2009. • From Stanford University and IBM Watson ...
Databases - Entity-Relationship Modelling Database Design
... Once a suitable ER model has been constructed, then this can be translated into a relational database fairly easily. ...
... Once a suitable ER model has been constructed, then this can be translated into a relational database fairly easily. ...
PowerPoint
... Each bank has a database with its customer accounts. The databases are used by staff at many branches and for back-office processing. The requirement is to integrate the two banks so that they appear to the customers to be a single organization and to provide integrated service from all branches. Th ...
... Each bank has a database with its customer accounts. The databases are used by staff at many branches and for back-office processing. The requirement is to integrate the two banks so that they appear to the customers to be a single organization and to provide integrated service from all branches. Th ...
SQL Server 2008 adds support for lax validation to the XML Schema
... As a result, documents that may have been rejected as invalid in SQL Server 2005 may now be accepted by the same XML Schema in SQL Server 2008. Since the SQL Server 2008 behavior is the recommendation-compliant behavior, no corrective action should be needed. If strict validation semantics are requi ...
... As a result, documents that may have been rejected as invalid in SQL Server 2005 may now be accepted by the same XML Schema in SQL Server 2008. Since the SQL Server 2008 behavior is the recommendation-compliant behavior, no corrective action should be needed. If strict validation semantics are requi ...
Event
... Uses POJOs and object-query language. Completely decouple Java from database. Can reverse engineer. MyBatis - simple, uses SQL maps. Database schema not transparent to Java code. ...
... Uses POJOs and object-query language. Completely decouple Java from database. Can reverse engineer. MyBatis - simple, uses SQL maps. Database schema not transparent to Java code. ...
Multimedia Database: Content and Structure
... Multimedia data refers to the simultaneous use of data in different media forms, including images audio, texts and numerical data. Many multimedia applications such as recordings and playback of motion video, video conferencing and slide presentations require continuous presentations of media data s ...
... Multimedia data refers to the simultaneous use of data in different media forms, including images audio, texts and numerical data. Many multimedia applications such as recordings and playback of motion video, video conferencing and slide presentations require continuous presentations of media data s ...
Statistical Database
... The system should refuse to response to a query for which the cardinality of the identified subset of records < lower bound b e.g. b = 2 i.e., b ≦ c (result set cardinality) Wei-Pang Yang, Information Management, NDHU ...
... The system should refuse to response to a query for which the cardinality of the identified subset of records < lower bound b e.g. b = 2 i.e., b ≦ c (result set cardinality) Wei-Pang Yang, Information Management, NDHU ...
11 Scalability Concepts Every Architect Should Understand
... – Decoupled front/back ends insulate from other system issues if… – Twitter down – Email server unreachable – Order processing partner doing maintenance – Internet connectivity interruption ...
... – Decoupled front/back ends insulate from other system issues if… – Twitter down – Email server unreachable – Order processing partner doing maintenance – Internet connectivity interruption ...
primary key
... Master files contain permanent information Transaction files describe business events Document files contain copies of historic data Archival files contain master and transaction file records offline, which are no longer needed Table look-up files contain static data for ...
... Master files contain permanent information Transaction files describe business events Document files contain copies of historic data Archival files contain master and transaction file records offline, which are no longer needed Table look-up files contain static data for ...
Serverside Java and Database systems
... If you use only standard SQL (i.e. no vendor specific code) ...
... If you use only standard SQL (i.e. no vendor specific code) ...
IBM Software Group Presentation Template
... Use these utilities to move an entire database UNLOAD, dbload and dbschema To move selected columns and tables, use UNLOAD statement. Use dbload to change the data format UNLOAD and LOAD statements To move selected columns and tables, use UNLOAD statement. Use LOAD when you do NOT want to ...
... Use these utilities to move an entire database UNLOAD, dbload and dbschema To move selected columns and tables, use UNLOAD statement. Use dbload to change the data format UNLOAD and LOAD statements To move selected columns and tables, use UNLOAD statement. Use LOAD when you do NOT want to ...
DBAdminFund_PPT_3.2
... INSERT INTO table_name(column1,column2) VALUES (value1a,value1b), (value2a, value2b) ...
... INSERT INTO table_name(column1,column2) VALUES (value1a,value1b), (value2a, value2b) ...
Production-Strength Data Mining Environment for Terabyte-Class Relational Data Warehouses
... pre-processed into several tables made up of a single row per customer. This constraint conflicts with the relational database structure of customer information warehouses. Acting on Marketing Information Having formulated a predictive model, the challenge is to use the model to predict behavior for ...
... pre-processed into several tables made up of a single row per customer. This constraint conflicts with the relational database structure of customer information warehouses. Acting on Marketing Information Having formulated a predictive model, the challenge is to use the model to predict behavior for ...
2800 Woods Hollow Rd
... For user-created objects such as tables, columns, indexes, and constraints, using mixed case results in more readable names than using all uppercase or all lowercase alphabets. Mixed case is particularly useful when you have compound names. For example, you can recognize object names by combining lo ...
... For user-created objects such as tables, columns, indexes, and constraints, using mixed case results in more readable names than using all uppercase or all lowercase alphabets. Mixed case is particularly useful when you have compound names. For example, you can recognize object names by combining lo ...
Installation Reference Card
... ODBC compliant and Y2K compliant, relational database management system (RDBM) installed on its own computer. The database is required for logging transaction and CPM Server information. CPM supports Microsoft SQL Server and Oracle database applications. ...
... ODBC compliant and Y2K compliant, relational database management system (RDBM) installed on its own computer. The database is required for logging transaction and CPM Server information. CPM supports Microsoft SQL Server and Oracle database applications. ...
JDBC
... tools and for programmatic updating. Updateable result set ability to use Java programming language commands rather than SQL. ...
... tools and for programmatic updating. Updateable result set ability to use Java programming language commands rather than SQL. ...
Database Tools by Skype
... Rule 1: Minimize number of connections. Channel all incoming queries through optimal number of database connections using pgBouncer Rule 2: Minimize number of indexes constraints that use up performance and resources. For example backoffice applications need quite often more and different indexes th ...
... Rule 1: Minimize number of connections. Channel all incoming queries through optimal number of database connections using pgBouncer Rule 2: Minimize number of indexes constraints that use up performance and resources. For example backoffice applications need quite often more and different indexes th ...
File Organization and Indexing
... for data records (instead of a Heap file or sorted file). At most one index on a given collection of data records can use Alternative 1. (Otherwise, data records are duplicated, leading to redundant storage and potential inconsistency.) If data records are very large, # of pages containing data entr ...
... for data records (instead of a Heap file or sorted file). At most one index on a given collection of data records can use Alternative 1. (Otherwise, data records are duplicated, leading to redundant storage and potential inconsistency.) If data records are very large, # of pages containing data entr ...
ECDL / ICDL Using Databases Level 1 Syllabus Version 1.0 (UK)
... damage whatsoever arising by virtue of such information or any instructions or advice contained within this publication. Changes may be made by ECDL Foundation at its own discretion and at any time without notice. Mapping to the IT User Qualifications (ITQ) This syllabus, for use in the United Kingd ...
... damage whatsoever arising by virtue of such information or any instructions or advice contained within this publication. Changes may be made by ECDL Foundation at its own discretion and at any time without notice. Mapping to the IT User Qualifications (ITQ) This syllabus, for use in the United Kingd ...
Database Access in Mobile Environments
... will be multimedia data which have to be handled efficiently. In a mobile environment, disconnections can be quite frequent and have to be supervised by the system. The optimization of queries against this Infoverse has to be adapted dynamically due to changing aims of optimizations. The restricted ...
... will be multimedia data which have to be handled efficiently. In a mobile environment, disconnections can be quite frequent and have to be supervised by the system. The optimization of queries against this Infoverse has to be adapted dynamically due to changing aims of optimizations. The restricted ...