Transactions
... previously written by Ti, the commit operation of Ti appears before the read operation of Tj. Every cascadeless schedule is also recoverable It is desirable to restrict the schedules to those that are cascadeless ...
... previously written by Ti, the commit operation of Ti appears before the read operation of Tj. Every cascadeless schedule is also recoverable It is desirable to restrict the schedules to those that are cascadeless ...
XML Today
... boundaries between relational data and XML data by providing SQL features (implemented at the engine level) that allow users to view relational data as XML and XML data as relational. The main feature is the XMLType data type. This is a predefined object type that can store an XML document. Like any ...
... boundaries between relational data and XML data by providing SQL features (implemented at the engine level) that allow users to view relational data as XML and XML data as relational. The main feature is the XMLType data type. This is a predefined object type that can store an XML document. Like any ...
Database Concepts - College of Computing
... the overhead for security, concurrency control, and recovery is too high data and applications are simple and stable real-time requirements cannot be met by it multiple user access is not needed ...
... the overhead for security, concurrency control, and recovery is too high data and applications are simple and stable real-time requirements cannot be met by it multiple user access is not needed ...
A gentle introduction to Xcerpt, a rule-based query and transformation language for XML
... The intertwining of construct and query parts as with XQuery can be found in dynamic HTML documents that contain (ECMAScript, Java Applets or Servlet) programs: The HTML page specifies a construction pattern, the programs corresponds to queries. The intertwining of construct and query parts has some ...
... The intertwining of construct and query parts as with XQuery can be found in dynamic HTML documents that contain (ECMAScript, Java Applets or Servlet) programs: The HTML page specifies a construction pattern, the programs corresponds to queries. The intertwining of construct and query parts has some ...
E-VALBU: Advanced SQL/XML processing of dictionary data using
... The latter calls for a mandatory registration of XML Schema definitions inside the XML database repository. The system then generates proper object types that are used for the fine-grained storing within object-relational tables. Well-formedness and validity are checked automatically; node structure ...
... The latter calls for a mandatory registration of XML Schema definitions inside the XML database repository. The system then generates proper object types that are used for the fine-grained storing within object-relational tables. Well-formedness and validity are checked automatically; node structure ...
An Introduction to the Source Code of the Pyrrho DBMS
... Pyrrho is a rigorously developed relational database management system that can run on small computers, even mobile phones, but can also scale up to large enterprise uses. It assumes the .NET framework. For large databases it needs a lot of main memory (RAM). For best results the computer main memor ...
... Pyrrho is a rigorously developed relational database management system that can run on small computers, even mobile phones, but can also scale up to large enterprise uses. It assumes the .NET framework. For large databases it needs a lot of main memory (RAM). For best results the computer main memor ...
PPT - Electrical and Computer Engineering Department
... Commercial systems offer most, if not all, SQL-92 features, plus varying feature sets from later standards and special proprietary features. Not all examples here may work on your particular system. ...
... Commercial systems offer most, if not all, SQL-92 features, plus varying feature sets from later standards and special proprietary features. Not all examples here may work on your particular system. ...
Database Replication – an Overview of Replication Techniques in Patrik Rantanen
... objects to replicating server to share the load of a centralized database. A replica can consist of many common database objects, namely tables, indices, triggers, views and functions etc. depending on maker and their definition of objects. Database replication means that the same data is available ...
... objects to replicating server to share the load of a centralized database. A replica can consist of many common database objects, namely tables, indices, triggers, views and functions etc. depending on maker and their definition of objects. Database replication means that the same data is available ...
Migrating Informix to DB2 - Washington Area Informix User Group
... set an instance wide max sort heap SORTHEAP – A DB parameter used by each database to determines how much Sort Heap a single query can use within that database ...
... set an instance wide max sort heap SORTHEAP – A DB parameter used by each database to determines how much Sort Heap a single query can use within that database ...
Database System Architecture and Implementation
... – supports both sequential and list prefetch (prefetching a list of pages) – default prefetch size is 32 4 kB pages (user-definable), but for some utilities (e.g., COPY, RUNSTAT) pages up to 64 4 kB are prefetched – for small buffer pools (i.e., < 1000 buffers) prefetch adjusted to 8 or 16 pages – p ...
... – supports both sequential and list prefetch (prefetching a list of pages) – default prefetch size is 32 4 kB pages (user-definable), but for some utilities (e.g., COPY, RUNSTAT) pages up to 64 4 kB are prefetched – for small buffer pools (i.e., < 1000 buffers) prefetch adjusted to 8 or 16 pages – p ...
Oracle BI Enterprise Edition Deep Dive
... • Delivers/Analytic Agents provides true real-time in context sense and respond capabilities across systems tailored for any user on any device. ...
... • Delivers/Analytic Agents provides true real-time in context sense and respond capabilities across systems tailored for any user on any device. ...
Data Mining - Lyle School of Engineering
... Sequential – Records stored in logical order of key. Access: Sequential, relative, binary search ...
... Sequential – Records stored in logical order of key. Access: Sequential, relative, binary search ...
The Database Mirroring Endpoint (SQL Server)
... A database mirroring partner running on SQL Server 2008 Enterprise or later versions automatically tries to resolve certain types of errors that prevent reading a data page. The partner that is unable to read a page requests a fresh copy from the other partner. If this request succeeds, the unreadab ...
... A database mirroring partner running on SQL Server 2008 Enterprise or later versions automatically tries to resolve certain types of errors that prevent reading a data page. The partner that is unable to read a page requests a fresh copy from the other partner. If this request succeeds, the unreadab ...
Notes
... which is the tool we can use to create any object in the Warehouse Builder that holds data such as database tables 1. Navigate to the Databases | Non-Oracle | ODBC node, and then select the ACME_POS module under this node. 2. right-click on this node and se ...
... which is the tool we can use to create any object in the Warehouse Builder that holds data such as database tables 1. Navigate to the Databases | Non-Oracle | ODBC node, and then select the ACME_POS module under this node. 2. right-click on this node and se ...
DocAve® 6 Installation
... DocAve uses .NET performance counter API, and SharePoint API also uses it internally. This permission is required by .NET API. ...
... DocAve uses .NET performance counter API, and SharePoint API also uses it internally. This permission is required by .NET API. ...
The Process of Tuning DB2 for AIX
... performance is actually to prototype the transactions and find out how many I/Os are required per transaction, and how many transactions per second are required. Then find out the I/O rate for the disk controller and the disk subsystem to help determine how many controllers and disks are required. ...
... performance is actually to prototype the transactions and find out how many I/Os are required per transaction, and how many transactions per second are required. Then find out the I/O rate for the disk controller and the disk subsystem to help determine how many controllers and disks are required. ...
Chapter 2
... Is in the SYSTEM user schema Is automatically updated as users create and modify tables Cannot be updated directly Contains views that allow users to retrieve information about the database structure View: is a db object that the DBMS bases on an actual db table and which enables the DBMS to p ...
... Is in the SYSTEM user schema Is automatically updated as users create and modify tables Cannot be updated directly Contains views that allow users to retrieve information about the database structure View: is a db object that the DBMS bases on an actual db table and which enables the DBMS to p ...
CAMEO DATA MODELER PLUGIN
... database and XML schema modeling features. This plugin enables you to draw entity-relationship diagrams (using the crow's foot notation). This is a fullfeatured variant of ER diagram (including extended entity-relationship concepts - like generalization), providing a spectrum of capabilities for log ...
... database and XML schema modeling features. This plugin enables you to draw entity-relationship diagrams (using the crow's foot notation). This is a fullfeatured variant of ER diagram (including extended entity-relationship concepts - like generalization), providing a spectrum of capabilities for log ...
PowerPoint Template
... There are many advantages: mirror across drives and storage array, auto re-mirror... ...
... There are many advantages: mirror across drives and storage array, auto re-mirror... ...
Database Backup and Recovery
... • Concurrent write access allows you to keep the data online during the backup process, but it will slow down any subsequent recovery because the DBMS has to examine the database log to ensure accurate recovery. • Change accumulation creates an up-to-date image copy backup by merging existing image ...
... • Concurrent write access allows you to keep the data online during the backup process, but it will slow down any subsequent recovery because the DBMS has to examine the database log to ensure accurate recovery. • Change accumulation creates an up-to-date image copy backup by merging existing image ...
Relations and XML
... } // End of looping over all purchase orders associated with a customer XMLResult += ““ Return XMLResult as one result row; reset XMLResult = ““ } // loop until all customers are tagged and output ...
... } // End of looping over all purchase orders associated with a customer XMLResult += ““ Return XMLResult as one result row; reset XMLResult = ““ } // loop until all customers are tagged and output ...
New Software for Ensemble Creation in the - adass xiv
... “Data Collection Event” 1-10 DCEs in an exposure and channel Each DCE gives a FITS file of observed data (single image or stack of images, depending on the instrument and mode) dceId ...
... “Data Collection Event” 1-10 DCEs in an exposure and channel Each DCE gives a FITS file of observed data (single image or stack of images, depending on the instrument and mode) dceId ...
Client-server caching
... Store pointers in disk pages Try to remap page to its previous frame Changing protection bits is expensive! Try and change many at a time ...
... Store pointers in disk pages Try to remap page to its previous frame Changing protection bits is expensive! Try and change many at a time ...