Introduction to Database Systems
... protect data. A transaction must hold all the required locks before executing, and does not release any lock until the transaction has completely finished. What is the WAL property, and why is it important? The WAL property affects the logging strategy in a DBMS. The WAL, Write-Ahead Log, property s ...
... protect data. A transaction must hold all the required locks before executing, and does not release any lock until the transaction has completely finished. What is the WAL property, and why is it important? The WAL property affects the logging strategy in a DBMS. The WAL, Write-Ahead Log, property s ...
Metadata Standards for Data Warehousing: Open Information Model
... for metadata representation requires the complete description of a metamodel with all its elements, their semantic content and interdependencies between elements. The standard is inherently independent of any speci c implementation. A standard for exchange is based on a unique metamodel as well but ...
... for metadata representation requires the complete description of a metamodel with all its elements, their semantic content and interdependencies between elements. The standard is inherently independent of any speci c implementation. A standard for exchange is based on a unique metamodel as well but ...
Privacy - Personal Web Pages
... • Can’t achieve cryptographically small levels of disclosure and keep the data useful • Adversarial user is supposed to learn unpredictable things about the database ...
... • Can’t achieve cryptographically small levels of disclosure and keep the data useful • Adversarial user is supposed to learn unpredictable things about the database ...
1 - Wseas.us
... The objective of data mining is to extract hidden or potentially unknown interesting rules or patterns from databases. However, the objective of privacy preserving data mining is to hide certain sensitive information so that they cannot be discovered through data mining techniques [1,4-12,15]. In th ...
... The objective of data mining is to extract hidden or potentially unknown interesting rules or patterns from databases. However, the objective of privacy preserving data mining is to hide certain sensitive information so that they cannot be discovered through data mining techniques [1,4-12,15]. In th ...
Week 2 - Conceptual Database Design
... ! What are the integrity constraints or business rules that hold? ...
... ! What are the integrity constraints or business rules that hold? ...
Oracle Streams Replication to T1 Dimitrov, Gancho Stojek,S. Viegas
... Steps in JEDI database tests Step 1: The ATLAS_PANDA schema and data exported from production and imported on the INTR testbed database – done Step 2: New set of JEDI tables created into the imported schema. Alter tables where necessary. Set relations between the existing tables and the new one ...
... Steps in JEDI database tests Step 1: The ATLAS_PANDA schema and data exported from production and imported on the INTR testbed database – done Step 2: New set of JEDI tables created into the imported schema. Alter tables where necessary. Set relations between the existing tables and the new one ...
Chapter 7
... View has a name View is based on a SELECT statement CHECK_OPTION works only for updateable views and prevents updates that would create rows not included in the view Chapter 7 ...
... View has a name View is based on a SELECT statement CHECK_OPTION works only for updateable views and prevents updates that would create rows not included in the view Chapter 7 ...
Integration Service Database Installation Guide
... 1. Only a qualified Oracle Database Administrator (DBA) must handle the Oracle Database setup in order to successfully complete the Kony database deployment. 2. Customer with Oracle standard edition should install Oracle Locator feature. For more information, see http://docs.oracle.com/cd/B28359_01/ ...
... 1. Only a qualified Oracle Database Administrator (DBA) must handle the Oracle Database setup in order to successfully complete the Kony database deployment. 2. Customer with Oracle standard edition should install Oracle Locator feature. For more information, see http://docs.oracle.com/cd/B28359_01/ ...
Chapter 19
... There is no concurrent data sharing in a single user system. The data update goes as follows: ...
... There is no concurrent data sharing in a single user system. The data update goes as follows: ...
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 ...
The Kimball Lifecycle - Doctor
... define the filegroups where the table partitions are mapped, based on the parameters of the partition function. • You must specify enough filegroups to hold the number of partitions. ...
... define the filegroups where the table partitions are mapped, based on the parameters of the partition function. • You must specify enough filegroups to hold the number of partitions. ...
Moving Objects Databases
... The book based on this course is the first on the topic of moving objects databases, but of course, there exist many research articles. Each chapter provides bibliographic notes at the end, and every unit of the course (“Kurseinheit”) has its own “Bibliography” section. The bibliographic notes at th ...
... The book based on this course is the first on the topic of moving objects databases, but of course, there exist many research articles. Each chapter provides bibliographic notes at the end, and every unit of the course (“Kurseinheit”) has its own “Bibliography” section. The bibliographic notes at th ...
Access 2002 Prepared by Angela Dejak November 2005 Access
... A database is a collection of data related to a particular topic or purpose. The data is organized in a manner that allows access, retrieval and use of that data. Information in a database is organized into fields, or categories, such as customer name, city or phone number. A key field is a field th ...
... A database is a collection of data related to a particular topic or purpose. The data is organized in a manner that allows access, retrieval and use of that data. Information in a database is organized into fields, or categories, such as customer name, city or phone number. A key field is a field th ...
distributed databases and client-server
... autonomous centralized DBMS that has its own local users, local transaction, and DBA and hence has a very high degree of local autonomy. Used when there is some global view of databases shared by applications. ...
... autonomous centralized DBMS that has its own local users, local transaction, and DBA and hence has a very high degree of local autonomy. Used when there is some global view of databases shared by applications. ...
Chapter 4 - Keys and Relationships
... • Identify the primary key and foreign keys for each table. Put the name of the table and name its primary key and if there is a foreign key identify the foreign key. • Identify how each table that has the foreign key relates to another table. See slide No. 16 and 17 ...
... • Identify the primary key and foreign keys for each table. Put the name of the table and name its primary key and if there is a foreign key identify the foreign key. • Identify how each table that has the foreign key relates to another table. See slide No. 16 and 17 ...
Data Persistence and Object-Relational Mapping 1
... The Data Mapper converts a n-to-1 association to a foreign key relation (persist) or foreign key to object (retrieve). ...
... The Data Mapper converts a n-to-1 association to a foreign key relation (persist) or foreign key to object (retrieve). ...
JDBC Statements
... • It was developed by JavaSoft, a subsidiary of Sun Microsystems. • It is a java API which enables the java programs to execute SQL statements. • JDBC provides methods for querying and updating the data in Relational Database Management system such as SQL, Oracle etc. ...
... • It was developed by JavaSoft, a subsidiary of Sun Microsystems. • It is a java API which enables the java programs to execute SQL statements. • JDBC provides methods for querying and updating the data in Relational Database Management system such as SQL, Oracle etc. ...
Directed Graph based Distributed Sequential Pattern Mining
... patterns from prefix and suffix projected database of x and then it creates directed acyclic graph to represent the enclose relationship of frequent items. UDDAG generates less projected database compare to PrefixSpan as UDDAG consider prefix and suffix projected database at the same time. UDDAG eli ...
... patterns from prefix and suffix projected database of x and then it creates directed acyclic graph to represent the enclose relationship of frequent items. UDDAG generates less projected database compare to PrefixSpan as UDDAG consider prefix and suffix projected database at the same time. UDDAG eli ...
Lecture Notes (6up)
... The Data Mapper converts a n-to-1 association to a foreign key relation (persist) or foreign key to object (retrieve). ...
... The Data Mapper converts a n-to-1 association to a foreign key relation (persist) or foreign key to object (retrieve). ...
Integration of Heterogeneous Databases
... In this part of the lecture we will learn more about the technical details of integrating information systems at the data level, or in other words about data or database integration. We will see later approaches, which allow access to different databases from within the same application (e.g. JDBC, ...
... In this part of the lecture we will learn more about the technical details of integrating information systems at the data level, or in other words about data or database integration. We will see later approaches, which allow access to different databases from within the same application (e.g. JDBC, ...
Security features in Oracle database management system
... efficiently. Every large-scale application that we use today is supported by a database management system that manages and stores data. Ensuring the security of information we store in these databases is very important. Security plays a huge role in carrying out this responsibility in both user leve ...
... efficiently. Every large-scale application that we use today is supported by a database management system that manages and stores data. Ensuring the security of information we store in these databases is very important. Security plays a huge role in carrying out this responsibility in both user leve ...
All questions carry equal marks
... Explain the role of Lock manager in implementing Lock and Unlock requests according to 2PL. What steps are taken for the Recovery during Normal Execution of Transactions? Explain optimistic concurrency control under time-stamp. Explain the use of transaction log in database recovery. ...
... Explain the role of Lock manager in implementing Lock and Unlock requests according to 2PL. What steps are taken for the Recovery during Normal Execution of Transactions? Explain optimistic concurrency control under time-stamp. Explain the use of transaction log in database recovery. ...
Transaction manager
... failure when failure occurs during a transaction. Buffer manager responsible for transfer of data between disk storage and main memory. ...
... failure when failure occurs during a transaction. Buffer manager responsible for transfer of data between disk storage and main memory. ...
Proceedings of the Fourth International Natural Language
... available (which themselves are automatically generated from the database in question). This information may come from one or more tables. For example, one table in our database contains information about the insurance companies contact details, whilst another describes the services provided by the ...
... available (which themselves are automatically generated from the database in question). This information may come from one or more tables. For example, one table in our database contains information about the insurance companies contact details, whilst another describes the services provided by the ...