Transactions
... A transaction is a unit of program execution that accesses and possibly updates various data items. To preserve the integrity of data, the database system must ensure: Atomicity. Either all operations of the transaction are properly reflected ...
... A transaction is a unit of program execution that accesses and possibly updates various data items. To preserve the integrity of data, the database system must ensure: Atomicity. Either all operations of the transaction are properly reflected ...
JDBC Virtualization : Oracle Fusion Middleware 11g
... This document assumes Oracle Fusion Middleware 11.1.1.4 [Oracle Weblogic Server 11gR1(10.3.4) & Oracle SOA Suite 11.1.1.4], Oracle Database XE, iTKO Lisa 5.0.24+ Virtualize Edition and the latest lisajdbcsim.jar. This document describes how to perform JDBC virtualization for SOA Composite applicatio ...
... This document assumes Oracle Fusion Middleware 11.1.1.4 [Oracle Weblogic Server 11gR1(10.3.4) & Oracle SOA Suite 11.1.1.4], Oracle Database XE, iTKO Lisa 5.0.24+ Virtualize Edition and the latest lisajdbcsim.jar. This document describes how to perform JDBC virtualization for SOA Composite applicatio ...
MANAGING DATA RESOURCES
... created each day need a safe, stable managed environment to hang out. All that's on top of the heavy demand for industrial-strength data storage already in use by scores of big corporations. What's driving the growth is a crushing imperative for corporations to analyse every bit of information they ...
... created each day need a safe, stable managed environment to hang out. All that's on top of the heavy demand for industrial-strength data storage already in use by scores of big corporations. What's driving the growth is a crushing imperative for corporations to analyse every bit of information they ...
Intro to ICT_Module 1_Lesson 1_Revised
... You can use either of the two methods given below to start entering data Click on EDIT on the menu bar and click on DATA ENTRY in the pull down menu or Click on this button on the tool bar UNESCO ICTLIP Module 4. Lesson 3 ...
... You can use either of the two methods given below to start entering data Click on EDIT on the menu bar and click on DATA ENTRY in the pull down menu or Click on this button on the tool bar UNESCO ICTLIP Module 4. Lesson 3 ...
TerraLib: Open Source Tools for GIS Application Development
... What is open source software? How is open source software built? What is an open source GIS? Why build a custom GIS instead of using a ready-made one? How does a distributed/entreprise GIS work? How are spatial data structures stored in an object-relational DBMS? Why do we need to do this? Are there ...
... What is open source software? How is open source software built? What is an open source GIS? Why build a custom GIS instead of using a ready-made one? How does a distributed/entreprise GIS work? How are spatial data structures stored in an object-relational DBMS? Why do we need to do this? Are there ...
Reactor For ColdFusion - Frameworks Conference
... A typical query is only a few lines of code. Adding CFCs into the mix adds a lot of extra CFML ...
... A typical query is only a few lines of code. Adding CFCs into the mix adds a lot of extra CFML ...
On Database Theory and XML
... Internet applications and the new ways in which they handle data are changing the role of database theory and its relationship with practice. They use a new data model, the semistructured data model, with XML syntax; this in itself o ers a rich source of problems for database theory, some will be il ...
... Internet applications and the new ways in which they handle data are changing the role of database theory and its relationship with practice. They use a new data model, the semistructured data model, with XML syntax; this in itself o ers a rich source of problems for database theory, some will be il ...
On Database Theory and XML
... Internet applications and the new ways in which they handle data are changing the role of database theory and its relationship with practice. They use a new data model, the semistructured data model, with XML syntax; this in itself o ers a rich source of problems for database theory, some will be il ...
... Internet applications and the new ways in which they handle data are changing the role of database theory and its relationship with practice. They use a new data model, the semistructured data model, with XML syntax; this in itself o ers a rich source of problems for database theory, some will be il ...
Parallel Query Processing in Shared Disk Database Systems
... partitioning, exact-match queries on the partitioning attribute can be restricted to a single processor; range partitioning also allows restricting the number of nodes for range queries on the partitioning attribute. However, all other scan queries must be processed by all nodes holding fragments of ...
... partitioning, exact-match queries on the partitioning attribute can be restricted to a single processor; range partitioning also allows restricting the number of nodes for range queries on the partitioning attribute. However, all other scan queries must be processed by all nodes holding fragments of ...
Accessing mySQL database
... Alternatively, you can use this way $num = mysql_num_rows($result); // from before if ($num > 0) { while ($row = mysql_fetch_assoc($result)) { echo $row['emp_id']; echo " "; echo $row['address']; echo “
"; ...
... Alternatively, you can use this way $num = mysql_num_rows($result); // from before if ($num > 0) { while ($row = mysql_fetch_assoc($result)) { echo $row['emp_id']; echo " "; echo $row['address']; echo “
"; ...
where not exists
... Trigger + PL/SQL • Triggers are mostly written in PL/SQL • Special variables that you can use: – NEW: the newly inserted row’s data, or the updated data in an UPDATE query – OLD: the old data in a DELETE/UPDATE trigger ...
... Trigger + PL/SQL • Triggers are mostly written in PL/SQL • Special variables that you can use: – NEW: the newly inserted row’s data, or the updated data in an UPDATE query – OLD: the old data in a DELETE/UPDATE trigger ...
Project management
... • Used to locate the bean’s data in some underlying database • For example, an “employee” entity bean may have a Social Security number as primary key • You can only use entity beans when your objects have a unique identifier field, or when you can add such a field (or set of fields) ...
... • Used to locate the bean’s data in some underlying database • For example, an “employee” entity bean may have a Social Security number as primary key • You can only use entity beans when your objects have a unique identifier field, or when you can add such a field (or set of fields) ...
Section-9x
... • Equivalent schedules: For any storage/database state, the effect (on storage/database) and output of executing the first schedule is identical to the effect of executing the second schedule • Serializable schedule: A schedule that is equivalent to some serial execution of the transactions – Intuit ...
... • Equivalent schedules: For any storage/database state, the effect (on storage/database) and output of executing the first schedule is identical to the effect of executing the second schedule • Serializable schedule: A schedule that is equivalent to some serial execution of the transactions – Intuit ...
Access.T03
... • Aggregate functions perform arithmetic operations on selected records in a database • If you want to quickly perform a calculation using an aggregate function in a table or query datasheet, you can use the Totals button in the Records group on the Home tab ...
... • Aggregate functions perform arithmetic operations on selected records in a database • If you want to quickly perform a calculation using an aggregate function in a table or query datasheet, you can use the Totals button in the Records group on the Home tab ...
A Case for Staged Database Systems
... instructions of the previous module, to replace them with its own ones. The performance loss in this example is due to (a) a large number of worker threads: since no I/O takes place, one worker thread would be sufficient, (b) preemptive thread scheduling: optimization and parsing of a single query i ...
... instructions of the previous module, to replace them with its own ones. The performance loss in this example is due to (a) a large number of worker threads: since no I/O takes place, one worker thread would be sufficient, (b) preemptive thread scheduling: optimization and parsing of a single query i ...
An Incremental Algorithm for Mining Privacy
... With the development of computer hardware and software and the rapid computerization of business, the amount of data available for analysis has grown exponentially in many areas such as retail industry, financial forecast, decision support and intrusion detection. When the scale of data manipulation ...
... With the development of computer hardware and software and the rapid computerization of business, the amount of data available for analysis has grown exponentially in many areas such as retail industry, financial forecast, decision support and intrusion detection. When the scale of data manipulation ...
ch3_rel_model_csi331..
... The task is to generate a relational database schema that is as close as possible to the ER model. The mapping is approximate since it is hard to translate all the constraints of the ER model into an efficient logical (relational) model. ...
... The task is to generate a relational database schema that is as close as possible to the ER model. The mapping is approximate since it is hard to translate all the constraints of the ER model into an efficient logical (relational) model. ...
Oracle DB Engine
... The drill-down arrow at the data table's left edge allows to navigate to the next lower detail level. Not all lists and searches allow to use drill-down-function. The book-symbol at the data table's left edge allows to navigate to the object page related to the selected entry. All database and syste ...
... The drill-down arrow at the data table's left edge allows to navigate to the next lower detail level. Not all lists and searches allow to use drill-down-function. The book-symbol at the data table's left edge allows to navigate to the object page related to the selected entry. All database and syste ...
Application - University Of Worcester
... store data as pre-defined type in with specific field name on the local machine It would be too easy to blindly let Dreamweaver do all of this for you! Some application objects do contain the HTML forms as well to work with the scripts… BUT… cannot be guaranteed, if something new is being devel ...
... store data as pre-defined type in with specific field name on the local machine It would be too easy to blindly let Dreamweaver do all of this for you! Some application objects do contain the HTML forms as well to work with the scripts… BUT… cannot be guaranteed, if something new is being devel ...
Transaction Log Performance Tuning
... SAN Admins need to provision LUNS optimized for the type of load ...
... SAN Admins need to provision LUNS optimized for the type of load ...