Scalar Aggregation in FD-Inconsistent Databases
... the integrated database may be inconsistent with the constraints). The notion of a consistent query answer [2] attempts to reduce this tension by using constraints to qualify query answers. A consistent answer is, intuitively, true regardless of the way the database is fixed to remove constraint vio ...
... the integrated database may be inconsistent with the constraints). The notion of a consistent query answer [2] attempts to reduce this tension by using constraints to qualify query answers. A consistent answer is, intuitively, true regardless of the way the database is fixed to remove constraint vio ...
Transparent Object Persistence
... In Java (and other object oriented programming languages) an object is an instance of a class. As such it has state (its attribute values) and behavior (its methods). The collection of all class definitions that comprise an application is known as the application’s object model. These classes perfor ...
... In Java (and other object oriented programming languages) an object is an instance of a class. As such it has state (its attribute values) and behavior (its methods). The collection of all class definitions that comprise an application is known as the application’s object model. These classes perfor ...
Database Transparencies
... system crashes in the middle of a Xact. Idea: Keep a log (history) of all actions carried out by the DBMS while executing a set of Xacts: – Before a change is made to the database, the corresponding log entry is forced to a safe location. (WAL protocol; OS support for this is often inadequate.) – Af ...
... system crashes in the middle of a Xact. Idea: Keep a log (history) of all actions carried out by the DBMS while executing a set of Xacts: – Before a change is made to the database, the corresponding log entry is forced to a safe location. (WAL protocol; OS support for this is often inadequate.) – Af ...
Evolution Database Maintenance Guide
... have any transactions that were created after those other backups are completed. Recommendation: This is recommended only if there are numerous transactions in the Evolution database. ...
... have any transactions that were created after those other backups are completed. Recommendation: This is recommended only if there are numerous transactions in the Evolution database. ...
Data Streams and Data Stream Management Systems
... where all the relevant data is kept and whose updates are relatively rare (almost true for traditional relational databases but not for data streams). This approach has a negative trend on performance if there are many rules to be processed (more than a given threshold) or when the data arrival rate ...
... where all the relevant data is kept and whose updates are relatively rare (almost true for traditional relational databases but not for data streams). This approach has a negative trend on performance if there are many rules to be processed (more than a given threshold) or when the data arrival rate ...
Relational Model
... model for commercial data-processing. The reason it’s used so much is, because it’s simple and easy to maintain. The model is based on a collection of tables. Users of the database can create tables, insert new tables or modify existing tables. There are several languages for database programming. • ...
... model for commercial data-processing. The reason it’s used so much is, because it’s simple and easy to maintain. The model is based on a collection of tables. Users of the database can create tables, insert new tables or modify existing tables. There are several languages for database programming. • ...
Multiple Engine Architecture: A Comparison of Database Management Systems Using the SAS/ACCESS Interface
... System. You store the description in SASjACCESS descriptor files, which you can use in SAS programs just as you would use SAS data files. You can print, plot, and chart the data described by the descriptor files, use them to create other SAS data files, and so- on. The interface view engine is an in ...
... System. You store the description in SASjACCESS descriptor files, which you can use in SAS programs just as you would use SAS data files. You can print, plot, and chart the data described by the descriptor files, use them to create other SAS data files, and so- on. The interface view engine is an in ...
Roger. Roger. ?? - Gassenhuber Systementwicklung
... with a specific, invisible number. Thus each box and each picture can be called by the database. It can be updated or re-imported into the database. What happens if I update a text box and the new text does not fit in the box any more? DATAform Add-on adjusts the box height, if desired, automaticall ...
... with a specific, invisible number. Thus each box and each picture can be called by the database. It can be updated or re-imported into the database. What happens if I update a text box and the new text does not fit in the box any more? DATAform Add-on adjusts the box height, if desired, automaticall ...
Simplify Your Database and Application Server
... • With the limited option, the SQL Tuning Advisor produces recommendations based on analysis of statistics, access paths, and SQL structure. • SQL Profile recommendations are not generated. • With comprehensive option, the SQL Tuning Advisor does everything under limited scope and SQL profiling. Use ...
... • With the limited option, the SQL Tuning Advisor produces recommendations based on analysis of statistics, access paths, and SQL structure. • SQL Profile recommendations are not generated. • With comprehensive option, the SQL Tuning Advisor does everything under limited scope and SQL profiling. Use ...
How Achaeans Would Construct Columns in Troy
... makes Trojan Columns plug-and-play, but also allows us to customize the blob storage to user applications. For example, we might prefer light weight compression (e.g. RLE) for read-intensive application and higher compression ratio (e.g. Huffman) for archive applications. Additionally, we could simp ...
... makes Trojan Columns plug-and-play, but also allows us to customize the blob storage to user applications. For example, we might prefer light weight compression (e.g. RLE) for read-intensive application and higher compression ratio (e.g. Huffman) for archive applications. Additionally, we could simp ...
Solutions to Review Questions
... view are created and then merged later during the database design stage. The view integration approach involves leaving the requirements for each user view as separate lists of requirements. We create data models representing each user view. A data model that represents a single user view is called ...
... view are created and then merged later during the database design stage. The view integration approach involves leaving the requirements for each user view as separate lists of requirements. We create data models representing each user view. A data model that represents a single user view is called ...
Building Applications using SQL Azure
... Maximum single database size is currently 10GB Database size calculation Includes: primary replica data, objects and indexes Does NOT include: logs, master database, system tables, server catalogs or additional replicas ...
... Maximum single database size is currently 10GB Database size calculation Includes: primary replica data, objects and indexes Does NOT include: logs, master database, system tables, server catalogs or additional replicas ...
Business Intelligence: Multidimensional Data Analysis
... The tools available for the project was Sybase PowerDesigner, Microsoft SQL Server, Microsoft.NET and Dundas Chart. A large part of the practical part of the project was to learn these tools, doing this was done by reading books [9, 11, 13] and forums, and by doing several tutorials and reading arti ...
... The tools available for the project was Sybase PowerDesigner, Microsoft SQL Server, Microsoft.NET and Dundas Chart. A large part of the practical part of the project was to learn these tools, doing this was done by reading books [9, 11, 13] and forums, and by doing several tutorials and reading arti ...
Systematic Approach for Information Systems Reengineering
... with the record type definition specified in the database schema. Set - It is an occurrence of a named collection of records. A set occurrence is in conformity with the set type definition specified in the database schema. Each set type consists of one owner record type and at least one member recor ...
... with the record type definition specified in the database schema. Set - It is an occurrence of a named collection of records. A set occurrence is in conformity with the set type definition specified in the database schema. Each set type consists of one owner record type and at least one member recor ...
Super database computers : hardware and software
... Data models have been used to represent the relationships. In a contemporary database management system (DBMS) where the database is small and simple, the DBMS supports only a single data model and model-based data language. Consequently, we have, for example, three separate types of DBMS, one is th ...
... Data models have been used to represent the relationships. In a contemporary database management system (DBMS) where the database is small and simple, the DBMS supports only a single data model and model-based data language. Consequently, we have, for example, three separate types of DBMS, one is th ...
Data Mining and Data Warehousing Henryk Maciejewski Data
... Viewer (OLAP applications) sees a logical MDDB (or a proxy or virtual MDDB) which is presented by the MDP ...
... Viewer (OLAP applications) sees a logical MDDB (or a proxy or virtual MDDB) which is presented by the MDP ...
Preventing, Detecting, and Repairing Block Corruption: Oracle
... Corruption Prevention, Detection, and Repair The Oracle Database corruption prevention, detection, and repair capabilities are built on internal knowledge of the data and transactions it protects, and on the intelligent integration of its comprehensive high availability solutions. The MAA recommenda ...
... Corruption Prevention, Detection, and Repair The Oracle Database corruption prevention, detection, and repair capabilities are built on internal knowledge of the data and transactions it protects, and on the intelligent integration of its comprehensive high availability solutions. The MAA recommenda ...
Installation and setup
... files in the directory where it is located. For example, if you create new string formats for "test data generation wizard", WinSQL will create a file called sFormat.dat in the same directory where the .EXE is located. Therefore, we suggest that you copy the file in a new folder. ...
... files in the directory where it is located. For example, if you create new string formats for "test data generation wizard", WinSQL will create a file called sFormat.dat in the same directory where the .EXE is located. Therefore, we suggest that you copy the file in a new folder. ...
MySQL Backup and Recovery
... • Backup and restore granularity is available at the server level (all databases), database level (all tables in a particular database), or table level. This is true regardless of storage engine. • The backup does not include log or configuration files, or other database-related files that are not p ...
... • Backup and restore granularity is available at the server level (all databases), database level (all tables in a particular database), or table level. This is true regardless of storage engine. • The backup does not include log or configuration files, or other database-related files that are not p ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727 PP 15-18 www.iosrjournals.org
... Abstract: The main purpose of this paper is to study and identify the Distributed Database Issues and approaches of Distributed database. Distributed Database is Emerging technology to stored the database in several location or sites, this maintain the Reliability and Availability of the data. In th ...
... Abstract: The main purpose of this paper is to study and identify the Distributed Database Issues and approaches of Distributed database. Distributed Database is Emerging technology to stored the database in several location or sites, this maintain the Reliability and Availability of the data. In th ...
SQL Server 2014 Overview With Data Insights
... Support for Windows Server Core Resource Governor adds IO governance SysPrep at cluster level Predictable performance with tiering of compute, network, and storage with Windows Server 2012 R2 High Availability Enhanced AlwaysOn, 8 secondaries, Replica Wizard Simplified cloud Disaster Recovery with A ...
... Support for Windows Server Core Resource Governor adds IO governance SysPrep at cluster level Predictable performance with tiering of compute, network, and storage with Windows Server 2012 R2 High Availability Enhanced AlwaysOn, 8 secondaries, Replica Wizard Simplified cloud Disaster Recovery with A ...
11g Oracle Text Technical White Paper
... All of the search capabilities of Oracle’s own internal and external web sites are powered by Secure Enterprise Search, which uses Oracle Text as its core search technology. ...
... All of the search capabilities of Oracle’s own internal and external web sites are powered by Secure Enterprise Search, which uses Oracle Text as its core search technology. ...