CS6362 1998 - Northumbria University
... staff: set(Lecturer) • staff is a set of OIDs of Lecturer objects, which is inverse to worksFor in Lecturer class. ...
... staff: set(Lecturer) • staff is a set of OIDs of Lecturer objects, which is inverse to worksFor in Lecturer class. ...
Introduction to Large Databases and Data Mining
... relevance analysis, which aoempts to iden)fy those aoributes or features that do not contribute to the classifica)on or predic)on process. These aoributes can then be excluded from the analysis. A common relevance analysis technique is principal component analysis. ...
... relevance analysis, which aoempts to iden)fy those aoributes or features that do not contribute to the classifica)on or predic)on process. These aoributes can then be excluded from the analysis. A common relevance analysis technique is principal component analysis. ...
Veco Admin Guides - Power Grid - veco
... Veco Administration Guides – Power Grids Query Conditions Due to the inbuilt “Veco” security, every query, regardless of which database is being queried, MUST contain a reference to a “CompanyID” in the “WHERE” statement. When writing “Veco” queries this must take the form: WHERE CompanyFK=’{Compan ...
... Veco Administration Guides – Power Grids Query Conditions Due to the inbuilt “Veco” security, every query, regardless of which database is being queried, MUST contain a reference to a “CompanyID” in the “WHERE” statement. When writing “Veco” queries this must take the form: WHERE CompanyFK=’{Compan ...
OODB_Lecture1
... all data is created as instances of classes which take part in an inheritance hierarchy. • An object-oriented database management system (OODBMS) is a DBMS with an object-oriented logical data model. • An object-oriented database is a database made up of objects and managed by an OODBMS. ...
... all data is created as instances of classes which take part in an inheritance hierarchy. • An object-oriented database management system (OODBMS) is a DBMS with an object-oriented logical data model. • An object-oriented database is a database made up of objects and managed by an OODBMS. ...
Mapping
... batch of data in the tables. If the amount of data to retrieve is large the map should be checked into GIS so it can be tested from a BP. If the map contains multiple SQL queries a ‘Move Next’ cursor operation must be present in the map for each query. When the map is re-invoked the cursor will th ...
... batch of data in the tables. If the amount of data to retrieve is large the map should be checked into GIS so it can be tested from a BP. If the map contains multiple SQL queries a ‘Move Next’ cursor operation must be present in the map for each query. When the map is re-invoked the cursor will th ...
Database creation and/or reorganization over multiple database
... produces nearly invariant response time for the same transaction. ...
... produces nearly invariant response time for the same transaction. ...
Dynamic Searchable Encryption in Very
... of theoretically efficient SSE schemes. One critical source of inefficiency in practice (often ignored in theory) is a complete lack of locality and parallelism: To execute a search, most prior SSE schemes sequentially read each result from storage at a pseudorandom position, and the only known way ...
... of theoretically efficient SSE schemes. One critical source of inefficiency in practice (often ignored in theory) is a complete lack of locality and parallelism: To execute a search, most prior SSE schemes sequentially read each result from storage at a pseudorandom position, and the only known way ...
Development of a SAS/DB2 Business Application
... Every data table has a primary key composed of one or more fields/columns. For performance reasons nearly every data table has one or more indexes defined on it. ...
... Every data table has a primary key composed of one or more fields/columns. For performance reasons nearly every data table has one or more indexes defined on it. ...
EAST WEST UNIVERSITY Investigating Scope of
... 1. Modelling language: It describes the structure of the database and also defines schema on which it is based. 2. Database Structure: Each and every database while building uses its own data structures and stores data using permanent storage device. 3. Database Query language: All the operations ar ...
... 1. Modelling language: It describes the structure of the database and also defines schema on which it is based. 2. Database Structure: Each and every database while building uses its own data structures and stores data using permanent storage device. 3. Database Query language: All the operations ar ...
Chemical Database of Optimized Molecular Structures
... Since, the DBOG is a collection of many records (structures), it needs to possess straightforward criteria for input and output procedures. These criteria carry information for a given structure representation. All molecules in DBOG are two-dimensional and are expressed as InChI (International Chemi ...
... Since, the DBOG is a collection of many records (structures), it needs to possess straightforward criteria for input and output procedures. These criteria carry information for a given structure representation. All molecules in DBOG are two-dimensional and are expressed as InChI (International Chemi ...
MySQL: Database Design
... Understand (Relational Database Management System) RDBMS concept Appreciate MySQL as an open-source RDBMS ...
... Understand (Relational Database Management System) RDBMS concept Appreciate MySQL as an open-source RDBMS ...
Topographic databases on the border states
... • in a BDOT10k database are objects such as a bridge, pier, forest branch, while in ATKIS database are objects such as a network node, run, dock. ...
... • in a BDOT10k database are objects such as a bridge, pier, forest branch, while in ATKIS database are objects such as a network node, run, dock. ...
Object-Oriented Design Process and Design Axioms
... • AXIOM-1 (Independence axiom): deals with relationships between system components such as classes, requirements, software components. • AXIOM-2 (Information axiom): deals with the complexity of design Axioms of OOD • The axiom 1 of object-oriented design deals with relationships between system comp ...
... • AXIOM-1 (Independence axiom): deals with relationships between system components such as classes, requirements, software components. • AXIOM-2 (Information axiom): deals with the complexity of design Axioms of OOD • The axiom 1 of object-oriented design deals with relationships between system comp ...
Chapter 10_Database_Space_Management
... multiple data files to collectively store its data. When you create a tablespace, you can create one or more data files for the new tablespace. In general, you create a tablespace with multiple data files on different disks to distribute the disk I/O associated with accessing a tablespace's data. Th ...
... multiple data files to collectively store its data. When you create a tablespace, you can create one or more data files for the new tablespace. In general, you create a tablespace with multiple data files on different disks to distribute the disk I/O associated with accessing a tablespace's data. Th ...
In database evolution, two directions of development are better than one
... will need to scale, then graph stores, either standalone or embedded in a platform, provide an answer. The latest twist in non-relational database technologies is the rise of so-called immutable databases such as Datomic, which can support high-volume event processing. Immutability isn’t a new conce ...
... will need to scale, then graph stores, either standalone or embedded in a platform, provide an answer. The latest twist in non-relational database technologies is the rise of so-called immutable databases such as Datomic, which can support high-volume event processing. Immutability isn’t a new conce ...
Document
... Tuning Rollback Segments • The ratio of the sum of waits to the sum of gets should be less than 1% – Select sum(gets) ‘gets’, sum(waits) ‘waits’, sum(waits)*100/sum(gets) ‘ratio’ from v$rollstat; ...
... Tuning Rollback Segments • The ratio of the sum of waits to the sum of gets should be less than 1% – Select sum(gets) ‘gets’, sum(waits) ‘waits’, sum(waits)*100/sum(gets) ‘ratio’ from v$rollstat; ...
slides - Indico
... In the end, a possibility to use more than one technology or a combination of those, was considered as the best solution ...
... In the end, a possibility to use more than one technology or a combination of those, was considered as the best solution ...
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... A transaction begins with the first executable SQL statement. A transaction ends when it is committed or rolled back, either explicitly (with a COMMIT or ROLLBACK statement) or implicitly (when a DDL statement is issued). To illustrate the concept of a transaction, consider a banking database. When ...
... A transaction begins with the first executable SQL statement. A transaction ends when it is committed or rolled back, either explicitly (with a COMMIT or ROLLBACK statement) or implicitly (when a DDL statement is issued). To illustrate the concept of a transaction, consider a banking database. When ...
Dealing with threats to databases
... Granular access control Limit application access Implement fine grained access control (row level access, table level access) Make sure database control is at database layer and not application layer ...
... Granular access control Limit application access Implement fine grained access control (row level access, table level access) Make sure database control is at database layer and not application layer ...
Using SAS with a SQL Server Database
... ODBC data source. For multi-user systems, each station must be configured with its own ODBC connection, and if Windows NT authentication is used, it is important to make sure that all users have access to the database. SAS datasets can be created from SQL Server tables with the SQL procedure (PROC S ...
... ODBC data source. For multi-user systems, each station must be configured with its own ODBC connection, and if Windows NT authentication is used, it is important to make sure that all users have access to the database. SAS datasets can be created from SQL Server tables with the SQL procedure (PROC S ...
Document
... Choice of Prototype Application for Interaction With Database An existing application (VMF), which is used to display digitized analog data for a small group of neuroscience researchers doing experiments with human and animal subjects. Data need to be stored in an organized manner so that they ...
... Choice of Prototype Application for Interaction With Database An existing application (VMF), which is used to display digitized analog data for a small group of neuroscience researchers doing experiments with human and animal subjects. Data need to be stored in an organized manner so that they ...