Pclec04 - Monash University
... • A transaction in SQL is either completely finished OR it is not done at all • No partial results can be produced • Work done can be committed - it becomes a permanent part of the database or it can be rolled back - the database is restored to the state prior to the transaction commencing • SQL pro ...
... • A transaction in SQL is either completely finished OR it is not done at all • No partial results can be produced • Work done can be committed - it becomes a permanent part of the database or it can be rolled back - the database is restored to the state prior to the transaction commencing • SQL pro ...
GEMS Tabulation Database Design Issues in Relation to Abstract
... As Edgar Codd has outlined,15 satisfaction of the first Normal Form requires a DB design to (a) eliminate repeating groups in individual tables (atomicity);16 (b) identify each set of related data with a primary key; 17 and (c) create a separate table for each set of related data.18 Violations of th ...
... As Edgar Codd has outlined,15 satisfaction of the first Normal Form requires a DB design to (a) eliminate repeating groups in individual tables (atomicity);16 (b) identify each set of related data with a primary key; 17 and (c) create a separate table for each set of related data.18 Violations of th ...
Server Studio JE - Washington Area Informix User Group
... Automatically measures statistical user sessions’ response times Initiate the monitors that will collect IDS performance parameters data matrix for the load-test scenario and record it into the built-in time-series repository for subsequent analysis ...
... Automatically measures statistical user sessions’ response times Initiate the monitors that will collect IDS performance parameters data matrix for the load-test scenario and record it into the built-in time-series repository for subsequent analysis ...
Introduction to Oracle 10g
... May require more blocks. May improve Update performance because the database does not have to migrate rows. ...
... May require more blocks. May improve Update performance because the database does not have to migrate rows. ...
Set 1 - Introduction
... data model: way of declaring types and relating them to each other, stored in a schema languages: for creating, deleting and updating tuples/objects for querying -- usually now high-level, ad-hoc queries; can be interactive or embedded in programs persistence: the data exists after the program that ...
... data model: way of declaring types and relating them to each other, stored in a schema languages: for creating, deleting and updating tuples/objects for querying -- usually now high-level, ad-hoc queries; can be interactive or embedded in programs persistence: the data exists after the program that ...
transaction
... • time stamps: concurrency control is done on the affected object, and hence is a very nice strategy in distributed systems and in the case of few conflicts • optimistic methods: efficient if there are few conflicts, also preferable if there are real time requirements – optimistic locking is widely ...
... • time stamps: concurrency control is done on the affected object, and hence is a very nice strategy in distributed systems and in the case of few conflicts • optimistic methods: efficient if there are few conflicts, also preferable if there are real time requirements – optimistic locking is widely ...
Additional Topics
... Variables that are shared between the database interface (SQL) and the programming language Alternatively, bindings between variables in SQL statements and variables in the programming language ...
... Variables that are shared between the database interface (SQL) and the programming language Alternatively, bindings between variables in SQL statements and variables in the programming language ...
II. Data Warehouse Concept
... created in BIDS is analysis services type of project. This project has a data source that connects BIDS with relational database with basketball data. After creating a data source view, user must define which part of database will be analyzed and has to define data source view. Our database is a sma ...
... created in BIDS is analysis services type of project. This project has a data source that connects BIDS with relational database with basketball data. After creating a data source view, user must define which part of database will be analyzed and has to define data source view. Our database is a sma ...
Indexing Tree-Based Indexing
... Note difference between copy-up and push-up; be sure you understand the reasons for this. ...
... Note difference between copy-up and push-up; be sure you understand the reasons for this. ...
085729S3 RTF File - Logical Operations
... Oracle Database 11g: Introduction Course Specifications Course number: 085729 Course length: 1.0 day(s) ...
... Oracle Database 11g: Introduction Course Specifications Course number: 085729 Course length: 1.0 day(s) ...
Database Planning - Binus Repository
... about the part of organization to be supported by the database application, and using this information to identify users’ requirements of new system. ...
... about the part of organization to be supported by the database application, and using this information to identify users’ requirements of new system. ...
Access2003 2E
... Be able to move datasheet columns Be able to move through fields using Tab or Enter All new records are entered at the end of the datasheet Records can be reordered by sorting them ...
... Be able to move datasheet columns Be able to move through fields using Tab or Enter All new records are entered at the end of the datasheet Records can be reordered by sorting them ...
Chapter 9: Databases and Information Management
... The two major functional classifications for databases are operational databases and data warehouses. It is possible for a database system to perform more than one function at the same time. Operational Database An operational database works by offering a snapshot of a fluid situation. These systems ...
... The two major functional classifications for databases are operational databases and data warehouses. It is possible for a database system to perform more than one function at the same time. Operational Database An operational database works by offering a snapshot of a fluid situation. These systems ...
CH 13 Database Resource Management
... The relationships among the many individual records in databases are based on one of several logical data structures or models. DBMS are designed to provide end users with quick, easy access to information stored in databases. Five fundamental database structures are: ...
... The relationships among the many individual records in databases are based on one of several logical data structures or models. DBMS are designed to provide end users with quick, easy access to information stored in databases. Five fundamental database structures are: ...
Oracle9i Database Performance Tuning
... This class will cover Oracle9i and Oracle9i Release 2 features. Database performance tuning is critical to any effective information system. Reducing wait times, increasing users' productivity and maximizing the performance of your Oracle database are critical to success. Learn from the experts the ...
... This class will cover Oracle9i and Oracle9i Release 2 features. Database performance tuning is critical to any effective information system. Reducing wait times, increasing users' productivity and maximizing the performance of your Oracle database are critical to success. Learn from the experts the ...
Database Technologies
... • One of the simplest ways to store data • Stores together groups of records together used by a particular software application • Simple but with a cost ...
... • One of the simplest ways to store data • Stores together groups of records together used by a particular software application • Simple but with a cost ...
A Realistic Data Warehouse Project
... Hewlett-Packard and Snyder's of Hanover have developed decision support systems along with the underlying data warehouse infrastructure and have sustained competitive advantages within their respective industries. While it is apparent that data warehouses are increasingly common within the for-profi ...
... Hewlett-Packard and Snyder's of Hanover have developed decision support systems along with the underlying data warehouse infrastructure and have sustained competitive advantages within their respective industries. While it is apparent that data warehouses are increasingly common within the for-profi ...
information need - College of Engineering and Computer Science
... • Improve inferring query context – (query expansion, relevance feedback) ...
... • Improve inferring query context – (query expansion, relevance feedback) ...
Web Application Development with ColdFusion
... ColdFusion Query Processing • In ColdFusion, such results are not “displayed” to user: – instead is made available to CF program as a query result set – up to CF program to determine what to show, and how to format ...
... ColdFusion Query Processing • In ColdFusion, such results are not “displayed” to user: – instead is made available to CF program as a query result set – up to CF program to determine what to show, and how to format ...
Database
... Industrial databases are large databases that function as the cornerstone of information systems in businesses and enterprises. In this section: • Data Warehouse • Data Mining • Distributed Database Concepts > Database > Industrial Databases ...
... Industrial databases are large databases that function as the cornerstone of information systems in businesses and enterprises. In this section: • Data Warehouse • Data Mining • Distributed Database Concepts > Database > Industrial Databases ...
Document
... • To tell Access which records you want to select, you must specify a condition as part of the query • A comparison operator asks Access to compare the value in a database field to the condition value and to select all the records for which the ...
... • To tell Access which records you want to select, you must specify a condition as part of the query • A comparison operator asks Access to compare the value in a database field to the condition value and to select all the records for which the ...