Paper "D2R MAP - A Database to RDF Mapping Language"
... mappings. The main goal of the language design is to allow flexible mappings of complex relational structures without having to change the existing database schema. This flexibility is achieved by employing SQL statements directly in the mapping rules. The resulting record sets are grouped afterward ...
... mappings. The main goal of the language design is to allow flexible mappings of complex relational structures without having to change the existing database schema. This flexibility is achieved by employing SQL statements directly in the mapping rules. The resulting record sets are grouped afterward ...
70-473: Cloud Data Platform
... synchronization Up to 4 online secondary databases with matching performance level in any region ...
... synchronization Up to 4 online secondary databases with matching performance level in any region ...
Achievements and Weaknesses of Object
... OODBs eliminate need for user defined keys The OODB model has an OID that it is automatically generated by the system and that guarantees uniqueness to each object. This, in addition to eliminating the need for user defined keys in the OODB model, has brought other advantages to OODBs: 1) the OID ca ...
... OODBs eliminate need for user defined keys The OODB model has an OID that it is automatically generated by the system and that guarantees uniqueness to each object. This, in addition to eliminating the need for user defined keys in the OODB model, has brought other advantages to OODBs: 1) the OID ca ...
ORACLE DATABASE HIGH AVAILABILITY
... ASM spreads files across all available storage and mirror at the database file level rather than the entire disk level. ASM simplifies the processes of setting up mirroring, adding disks, and removing disks Instead of managing hundreds and possibly thousands of files (as in a large data warehouse), ...
... ASM spreads files across all available storage and mirror at the database file level rather than the entire disk level. ASM simplifies the processes of setting up mirroring, adding disks, and removing disks Instead of managing hundreds and possibly thousands of files (as in a large data warehouse), ...
Fundamentals of Database Systems
... OQL supports a number of aggregate operators that can be applied to query results The aggregate operators include min, max, count, sum, and avg and operate over a collection count returns an integer; others return the same type as the collection type Elmasri/Navathe, Fundamentals of Database Syst ...
... OQL supports a number of aggregate operators that can be applied to query results The aggregate operators include min, max, count, sum, and avg and operate over a collection count returns an integer; others return the same type as the collection type Elmasri/Navathe, Fundamentals of Database Syst ...
Intro to Data Modeling
... Property or characteristic of an entity Elementary piece of information about an entity An entity pertinent or relative adjective (i.e. modifies noun by the use of describing, identifying, or quantifying words) – To find attributes, simply look for descriptive nouns that won’t be used as entit ...
... Property or characteristic of an entity Elementary piece of information about an entity An entity pertinent or relative adjective (i.e. modifies noun by the use of describing, identifying, or quantifying words) – To find attributes, simply look for descriptive nouns that won’t be used as entit ...
Database Technology Topic 6: Triggers and Stored
... – Event: update operations that activate the trigger – Condition: determines if action should be executed – Action: specifies what to do (e.g., execute stored procedure, perform sequence of SQL statements) Database Technology Topic 6: Triggers and Stored Procedures ...
... – Event: update operations that activate the trigger – Condition: determines if action should be executed – Action: specifies what to do (e.g., execute stored procedure, perform sequence of SQL statements) Database Technology Topic 6: Triggers and Stored Procedures ...
- Ryan Huebsch
... newData(namespace) – receive a callback when new data is inserted into the local store for the namespace ...
... newData(namespace) – receive a callback when new data is inserted into the local store for the namespace ...
The PIER Relational Query Processing System
... newData(namespace) – receive a callback when new data is inserted into the local store for the namespace ...
... newData(namespace) – receive a callback when new data is inserted into the local store for the namespace ...
Parallel Database
... Parallel Databases- Implementation Parallel Dataflow Approach To SQL Software SQL data model was originally proposed to improve programmer productivity by offering a nonprocedural database language. SQL came with Data Independence since the programs do not specify how the query is to be ...
... Parallel Databases- Implementation Parallel Dataflow Approach To SQL Software SQL data model was originally proposed to improve programmer productivity by offering a nonprocedural database language. SQL came with Data Independence since the programs do not specify how the query is to be ...
Data Warehousing – CG124
... Data mining software is a class of tools that apply artificial intelligence techniques to the analysis of data. Given access to data, DM tools dig through the data looking for patterns and discovering relationships that the user might have never suspected. DM tools work against an operational databa ...
... Data mining software is a class of tools that apply artificial intelligence techniques to the analysis of data. Given access to data, DM tools dig through the data looking for patterns and discovering relationships that the user might have never suspected. DM tools work against an operational databa ...
Creating A Back-Up & Recovery Plan
... A new database can be created by using the backup from an existing database. This is made possible by using the ‘with move’ statement which copies the data files and applies them to the new database. ...
... A new database can be created by using the backup from an existing database. This is made possible by using the ‘with move’ statement which copies the data files and applies them to the new database. ...
SAP R/3`s ability to support a number of different databases
... HPDT, or High Performance Data Transfer, which exploits either the OSA-2 card available in CMOS-based mainframes and FDDI links to a LAN or can be routed across ESCON subchannels. HPDT is required for Windows NT application servers and can optionally be used for AIX application servers. The second p ...
... HPDT, or High Performance Data Transfer, which exploits either the OSA-2 card available in CMOS-based mainframes and FDDI links to a LAN or can be routed across ESCON subchannels. HPDT is required for Windows NT application servers and can optionally be used for AIX application servers. The second p ...
Introduction to DB
... Drawbacks of Using File Systems to Store Data Data redundancy and inconsistency ...
... Drawbacks of Using File Systems to Store Data Data redundancy and inconsistency ...
ADO.NET connections
... • Reader object – created using a command object – models the result of an SQL statement • select or the like ADO.NET connections ...
... • Reader object – created using a command object – models the result of an SQL statement • select or the like ADO.NET connections ...
Critique of Relational Database Models
... e.g. Information Management System (IMS) developed late 1960s for Apollo mission network Conference on Data Systems Languages CODASYL : standardised COBOL CODASYL : Database Task Group (DBTG) Official CODASYL reports 1971-1978 ...
... e.g. Information Management System (IMS) developed late 1960s for Apollo mission network Conference on Data Systems Languages CODASYL : standardised COBOL CODASYL : Database Task Group (DBTG) Official CODASYL reports 1971-1978 ...
Chapter 1
... DBMS usage and security monitoring. Data dictionary operations. DBMS data and software maintenance. Database design. ...
... DBMS usage and security monitoring. Data dictionary operations. DBMS data and software maintenance. Database design. ...
resource lock
... • A transaction consists of a series of steps. Each step must be successful for the transaction to be saved. • This ensures that the transaction completes everything it intended to do before saving the changes. ...
... • A transaction consists of a series of steps. Each step must be successful for the transaction to be saved. • This ensures that the transaction completes everything it intended to do before saving the changes. ...
Document
... What is a Transaction? (continued) • Transaction is logical unit of work that must be either entirely completed or aborted • Successful transaction changes database from one consistent state to another ▫ One in which all data integrity constraints are satisfied ...
... What is a Transaction? (continued) • Transaction is logical unit of work that must be either entirely completed or aborted • Successful transaction changes database from one consistent state to another ▫ One in which all data integrity constraints are satisfied ...
33 | P a g e 3. The design of a DataBase for Natural Resources in
... The database will provide to the resource’s user, all needed information regarding the resource: the quantity available, the recommended period of harvest, rules to be respected. Resource Manager is also interested in monitoring quantities and areas where natural resources were exploited and the cor ...
... The database will provide to the resource’s user, all needed information regarding the resource: the quantity available, the recommended period of harvest, rules to be respected. Resource Manager is also interested in monitoring quantities and areas where natural resources were exploited and the cor ...
Systems Analysis and Design 5th Edition
... Most relational database management systems (RDBMS) support referential integrity, or the idea of ensuring that values linking the tables together are valid and correctly synchronized. Structured Query Language (SQL) is the standard language for accessing the data in the tables. © Copyright 2011 J ...
... Most relational database management systems (RDBMS) support referential integrity, or the idea of ensuring that values linking the tables together are valid and correctly synchronized. Structured Query Language (SQL) is the standard language for accessing the data in the tables. © Copyright 2011 J ...
How NoSQL key-value and wide-column stores make in-image advertising possible
... DataStax Enterprise offers a distribution of Cassandra with three options: spinning disk, solid-state disk (SSD), or dynamic RAM (DRAM) caching. Similarly, Apache Accumulo adds two caching layers to the spinning disk storage option, and Oracle Berkeley DB and Amazon DynamoDB include a caching layer ...
... DataStax Enterprise offers a distribution of Cassandra with three options: spinning disk, solid-state disk (SSD), or dynamic RAM (DRAM) caching. Similarly, Apache Accumulo adds two caching layers to the spinning disk storage option, and Oracle Berkeley DB and Amazon DynamoDB include a caching layer ...
- Third Coast Software Foundry
... shell which conceptually integrates a relational database like Sybase or Oracle into the UNIX file system; state-of-the-art database-enabled internet applications; multi-threaded database applications which unleash all of the power of the underlying hardware; and a system of metadata-driven programs ...
... shell which conceptually integrates a relational database like Sybase or Oracle into the UNIX file system; state-of-the-art database-enabled internet applications; multi-threaded database applications which unleash all of the power of the underlying hardware; and a system of metadata-driven programs ...