Towards an Infrastructure for Temporal Databases: Report of an
... can reside, without requiring substantial modification of t.he tools themselves. Perhaps one could cha.ract,erize t,his need by saying that users are very strongly in fa.vor of an “open” archit.ecture. Because time is considered an “add-on” in t,hese systems. many of the issues discussed by other wo ...
... can reside, without requiring substantial modification of t.he tools themselves. Perhaps one could cha.ract,erize t,his need by saying that users are very strongly in fa.vor of an “open” archit.ecture. Because time is considered an “add-on” in t,hese systems. many of the issues discussed by other wo ...
Expressive Power of an Algebra For Data Mining
... et al. 1999]) that it is important to treat results of mining on a par with data objects and manipulate them further. Secondly, there are natural and useful mining computations which can only be expressed as combinations and compositions of known mining tasks. For example, an analyst might find a co ...
... et al. 1999]) that it is important to treat results of mining on a par with data objects and manipulate them further. Secondly, there are natural and useful mining computations which can only be expressed as combinations and compositions of known mining tasks. For example, an analyst might find a co ...
DBC-e04-Chapter-07-PP
... – There are three types of data sources • A file data source is a file that can be shared among database users—the only requirement is that the users have the same DBMS driver and privilege to access the database • A system data source is one that is local to a single computer—the operating system a ...
... – There are three types of data sources • A file data source is a file that can be shared among database users—the only requirement is that the users have the same DBMS driver and privilege to access the database • A system data source is one that is local to a single computer—the operating system a ...
Designing a framework for end user applications
... End user developers (i.e. non-professional developers) often create database applications to meet their immediate needs. However, these applications can often be difficult to generalise or adapt when requirements inevitably change. As part of this thesis, we visited several research institutions to ...
... End user developers (i.e. non-professional developers) often create database applications to meet their immediate needs. However, these applications can often be difficult to generalise or adapt when requirements inevitably change. As part of this thesis, we visited several research institutions to ...
Parallel Databases - Brown Computer Science
... The number of parallel evaluation plans from which to choose from is much larger than the number of sequential evaluation plans. Therefore heuristics are needed while optimization Two alternative heuristics for choosing parallel plans: ...
... The number of parallel evaluation plans from which to choose from is much larger than the number of sequential evaluation plans. Therefore heuristics are needed while optimization Two alternative heuristics for choosing parallel plans: ...
ERModelling
... Keep in mind that modeling is NOT design! during modeling we are focused on what the relevant data is, and not whether or how it will be stored in the database. age vs. date-of-birth ...
... Keep in mind that modeling is NOT design! during modeling we are focused on what the relevant data is, and not whether or how it will be stored in the database. age vs. date-of-birth ...
Partitioning and Distribution of Large Tables
... As mentioned above, there is a relaxation of the key column restriction. This applies only to the second level of partitioning (for Hash Range and Hash Hash). The reason why it is restricted for the first level is explained below: Upon an insertion or update of a row, it is required to check the uni ...
... As mentioned above, there is a relaxation of the key column restriction. This applies only to the second level of partitioning (for Hash Range and Hash Hash). The reason why it is restricted for the first level is explained below: Upon an insertion or update of a row, it is required to check the uni ...
Planning, Implementing, and Administering Scaleout Solutions with
... Before discussing distributed partitioned views, it is useful to distinguish between distributed partitioned views, which are a scaleout technology, and partitioned tables and indexes, a scaleup technology. You can scale up an existing application on a single database by distributing the data betwee ...
... Before discussing distributed partitioned views, it is useful to distinguish between distributed partitioned views, which are a scaleout technology, and partitioned tables and indexes, a scaleup technology. You can scale up an existing application on a single database by distributing the data betwee ...
AGINITY WORKBENCH FOR NETEZZA FUNCTIONALITY OVERVIEW
... Aginity Workbench is an easy-to-use application that enhances your performance when you are working with your data warehouse. The application provides a powerful set of GUI-based tools for Developers, DBAs, and Data Analysts to maximize the productivity of users in these roles. This SQL database dev ...
... Aginity Workbench is an easy-to-use application that enhances your performance when you are working with your data warehouse. The application provides a powerful set of GUI-based tools for Developers, DBAs, and Data Analysts to maximize the productivity of users in these roles. This SQL database dev ...
Migrating Data Across Databases
... Backups contain the encrypted data — Retired Master keys are maintained in the wallet so that backed up encrypted data remains accessible via the old keys Data remains encrypted in temp files, undo segments and buffer cache — No residual data is left in the clear on disk – but see later • Encryp ...
... Backups contain the encrypted data — Retired Master keys are maintained in the wallet so that backed up encrypted data remains accessible via the old keys Data remains encrypted in temp files, undo segments and buffer cache — No residual data is left in the clear on disk – but see later • Encryp ...
Active using asp (Active Server Pages)
... 3. A first go at dynamic ColdFusion Markup Language ................................................................. 5 4. Passing Parameters to URLs ......................................................................................................... 7 5. Using the CFForm ...................... ...
... 3. A first go at dynamic ColdFusion Markup Language ................................................................. 5 4. Passing Parameters to URLs ......................................................................................................... 7 5. Using the CFForm ...................... ...
Using Hibernate for Persistent Objects
... Although vertical mapping is more flexible, it is also more complex because it requires multiple tables to extract all the data. Hence, we will use horizontal mapping because it is a simpler design and can provide faster performance, especially for simple to reasonably complex applications.To be mor ...
... Although vertical mapping is more flexible, it is also more complex because it requires multiple tables to extract all the data. Hence, we will use horizontal mapping because it is a simpler design and can provide faster performance, especially for simple to reasonably complex applications.To be mor ...
5. Advanced SQL
... permit external applications to operate on the database without knowing about internal details ...
... permit external applications to operate on the database without knowing about internal details ...
Plug Into The Cloud c
... Mixed Workload OLTP In a mixed database workload environment with many reports and ad hoc queries executing alongside OLTP transactions, there are typically many additional indexes required to speed up reports. Oracle Database InMemory column format eliminates the need for most of these analytic ind ...
... Mixed Workload OLTP In a mixed database workload environment with many reports and ad hoc queries executing alongside OLTP transactions, there are typically many additional indexes required to speed up reports. Oracle Database InMemory column format eliminates the need for most of these analytic ind ...
WebSphere Application Server V7: Accessing Databases from WebSphere WebSphere Application
... Data sources are associated with a specific JDBC provider and can be viewed or created from the JDBC provider configuration page. You have two options when creating a data source, depending on the J2EE support of the application. Here we discuss creating or modifying data sources for Java EE5, J2EE ...
... Data sources are associated with a specific JDBC provider and can be viewed or created from the JDBC provider configuration page. You have two options when creating a data source, depending on the J2EE support of the application. Here we discuss creating or modifying data sources for Java EE5, J2EE ...
normalization_pt1_west09
... DATABASE TRIVIA Name a hierarchical database system that is still in everyday use around the world. ...
... DATABASE TRIVIA Name a hierarchical database system that is still in everyday use around the world. ...
Procedures & Functions & Triggers
... Functions are a type of stored code and are very similar to procedures. The significant difference is that a function is a PL/SQL block that returns a single value. Functions can accept one, many, or no parameters, but a function must have a return clause in the executable section of the function. T ...
... Functions are a type of stored code and are very similar to procedures. The significant difference is that a function is a PL/SQL block that returns a single value. Functions can accept one, many, or no parameters, but a function must have a return clause in the executable section of the function. T ...
Introduction to Techniques of Query Processing and
... Table DEPT is accessed before filtering out all tuples with a department value more or equal to 1000. The resulting set of tuples is the outer input stream for the nested-loop join operator. The inner input stream is generated b first accessing the D_INDEX using the join predicate before retrieving ...
... Table DEPT is accessed before filtering out all tuples with a department value more or equal to 1000. The resulting set of tuples is the outer input stream for the nested-loop join operator. The inner input stream is generated b first accessing the D_INDEX using the join predicate before retrieving ...
Introduction to Web Development
... include the PRIMARY KEY keywords when you first define a field with the CREATE TABLE statement The AUTO_INCREMENT keyword is often used with a primary key to generate a unique ID for each new row in a table ...
... include the PRIMARY KEY keywords when you first define a field with the CREATE TABLE statement The AUTO_INCREMENT keyword is often used with a primary key to generate a unique ID for each new row in a table ...
Role Transition Best Practices: Data Guard and Active Data
... a role transition to complete. This is due to the additional steps required such as closing a database, handling additional instances and cleanup of connections. Switchover (planned event) is also expected to take longer than failover due to the coordination between the primary and standby that ensu ...
... a role transition to complete. This is due to the additional steps required such as closing a database, handling additional instances and cleanup of connections. Switchover (planned event) is also expected to take longer than failover due to the coordination between the primary and standby that ensu ...
SETL An ETL Tool
... ●What would cookies for data marts look like? ● Uniformly structured data marts (Schema, directory, source code repository) ● Uniformly named and structured database objects (tables, constraints, indexes, sequences) ● Uniformly structured download and ETL jobs ...
... ●What would cookies for data marts look like? ● Uniformly structured data marts (Schema, directory, source code repository) ● Uniformly named and structured database objects (tables, constraints, indexes, sequences) ● Uniformly structured download and ETL jobs ...