Document
... Copying the entire page table is very expensive Can be reduced by using a page table structured like a B+-tree – No need to copy entire tree, only need to copy paths in the tree that lead to updated leaf nodes Commit overhead is high even with above extension Need to flush every updated page ...
... Copying the entire page table is very expensive Can be reduced by using a page table structured like a B+-tree – No need to copy entire tree, only need to copy paths in the tree that lead to updated leaf nodes Commit overhead is high even with above extension Need to flush every updated page ...
Oracle11g for Data Warehousing and Business
... consistent view of the data requested. If another user changes the underlying data during the query execution (such a trickle-feed update of a large data warehouse table), Oracle maintains a version of the data as it existed at the time the query began. The data returned to the query always reflects ...
... consistent view of the data requested. If another user changes the underlying data during the query execution (such a trickle-feed update of a large data warehouse table), Oracle maintains a version of the data as it existed at the time the query began. The data returned to the query always reflects ...
cos346day5
... DAVID M. KROENKE’S DATABASE PROCESSING, 10th Edition © 2006 Pearson Prentice Hall ...
... DAVID M. KROENKE’S DATABASE PROCESSING, 10th Edition © 2006 Pearson Prentice Hall ...
Data Aware Components - Java Notes
... persistence, which is an adjective that describes data that outlives the process that created it. In this context, this means that the data entered by the user in a GUI component is stored temporarily in an object in primary memory and then permanently in a database. There are many ways to access a ...
... persistence, which is an adjective that describes data that outlives the process that created it. In this context, this means that the data entered by the user in a GUI component is stored temporarily in an object in primary memory and then permanently in a database. There are many ways to access a ...
Get the Best Out of Oracle Data Pump Functionality
... customers.phones table with expdp utility and use the REMAP_DATA option for masking the data in the dump file with the function customers.maskpkg.masknumber ...
... customers.phones table with expdp utility and use the REMAP_DATA option for masking the data in the dump file with the function customers.maskpkg.masknumber ...
MS-SQL Advantages - Sloan Digital Sky Survey
... We’ve tried to incorporate all the changes you requested. Please read through again very carefully. Once the article is laid out, you’ll be able to verify each illustration, as well as have a final look at the text. I’ve looked it over and made a few small changes, nothing major. Some of the heading ...
... We’ve tried to incorporate all the changes you requested. Please read through again very carefully. Once the article is laid out, you’ll be able to verify each illustration, as well as have a final look at the text. I’ve looked it over and made a few small changes, nothing major. Some of the heading ...
Is Actian PSQL a Relational Database Server?
... versions. Codd himself was very explicit in this. In late 1979, he introduced RM/T6 (the T stands for Tasmania), which was an extended version of his original relational model. Later, in 1990, he introduced RM/V27. In that same book he wrote “it seems prudent to develop a sequence of versions V1, V2 ...
... versions. Codd himself was very explicit in this. In late 1979, he introduced RM/T6 (the T stands for Tasmania), which was an extended version of his original relational model. Later, in 1990, he introduced RM/V27. In that same book he wrote “it seems prudent to develop a sequence of versions V1, V2 ...
l1 - CLAIR
... provides functionality above and beyond the storage of information. – Users want to see reports, forms, and query results – not simply data – As such, application development is crucial to the design and development of the DBMS ...
... provides functionality above and beyond the storage of information. – Users want to see reports, forms, and query results – not simply data – As such, application development is crucial to the design and development of the DBMS ...
Storing Unstructured Data in SQL Server 2008
... digital images, documents, videos, and other multimedia formats—and these new data formats are quickly becoming a key component in formal and ...
... digital images, documents, videos, and other multimedia formats—and these new data formats are quickly becoming a key component in formal and ...
mod-18
... Cached query plans (reused if same query submitted again) All database processes can access shared memory To ensure that no two processes are accessing the same data structure at the same time, databases systems implement mutual exclusion using either ...
... Cached query plans (reused if same query submitted again) All database processes can access shared memory To ensure that no two processes are accessing the same data structure at the same time, databases systems implement mutual exclusion using either ...
Shared Global Allocation Map (SGAM)
... extents that have been modified. It then includes those extents in the log backup. This lets the bulk logged operations be recovered if the database is restored from a database backup and a sequence of transaction log backups. BCM pages are not relevant in a database that is using the simple recover ...
... extents that have been modified. It then includes those extents in the log backup. This lets the bulk logged operations be recovered if the database is restored from a database backup and a sequence of transaction log backups. BCM pages are not relevant in a database that is using the simple recover ...
Migration from a 2-tier to 3-tier web application of NEWRUTF
... The web application is built in such a way that it is almost completely independent of the back end. Because of this loose coupling between the front end and back end any changes in the business logic or the database wont effect the front end. Actually the layer between front end and back end (IoDAO ...
... The web application is built in such a way that it is almost completely independent of the back end. Because of this loose coupling between the front end and back end any changes in the business logic or the database wont effect the front end. Actually the layer between front end and back end (IoDAO ...
Tutorial on Relational Database Design
... In a "class roster" database, a teacher may teach zero or more classes, while a class is taught by one (and only one) teacher. In a "company" database, a manager manages zero or more employees, while an employee is managed by one (and only one) manager. In a "product sales" database, a customer may ...
... In a "class roster" database, a teacher may teach zero or more classes, while a class is taught by one (and only one) teacher. In a "company" database, a manager manages zero or more employees, while an employee is managed by one (and only one) manager. In a "product sales" database, a customer may ...
SQL Server 2016 and Power BI Presentation Materials
... Create, manage, and deploy tabular, matrix, graphical, and free-form reports. SQL Server R Services R Services supports distributed, scalable R solutions on multiple platforms. Master Data Services The SQL Server solution for master data management, configured to manage any domain. ...
... Create, manage, and deploy tabular, matrix, graphical, and free-form reports. SQL Server R Services R Services supports distributed, scalable R solutions on multiple platforms. Master Data Services The SQL Server solution for master data management, configured to manage any domain. ...
What is Fathom Trend database ? (cont.)
... Puts Ad Hoc reporting in the hands of its end users • no need to involve IT to get a new report ...
... Puts Ad Hoc reporting in the hands of its end users • no need to involve IT to get a new report ...
WebEAV:
... general-purpose, reusable tables with numerous database fields whose mapping to attributes in the EAV schema can change, depending on the form being displayed. That is, these tables are used to transiently capture all EAV, irrespective of the DCI. One table is used to display data in the main form. ...
... general-purpose, reusable tables with numerous database fields whose mapping to attributes in the EAV schema can change, depending on the form being displayed. That is, these tables are used to transiently capture all EAV, irrespective of the DCI. One table is used to display data in the main form. ...
COP4540 Database Management System Midterm Review
... employees (identified by ssn, with salary and phone as attributes), departments (identified by dno, with dname and budget as attributes), and children of employees (with name and age as attributes). Employees work in departments; each department is managed by an employee; a child must be identified ...
... employees (identified by ssn, with salary and phone as attributes), departments (identified by dno, with dname and budget as attributes), and children of employees (with name and age as attributes). Employees work in departments; each department is managed by an employee; a child must be identified ...
db2 - Binus Repository
... – Fenced processes that run user code on the server outside the firewall for both stored procedures and user defined functions. This process replaces both the db2udf and db2dari processes that were used in previous versions of DB2. Bina Nusantara University ...
... – Fenced processes that run user code on the server outside the firewall for both stored procedures and user defined functions. This process replaces both the db2udf and db2dari processes that were used in previous versions of DB2. Bina Nusantara University ...
Introduction to Relational Database
... storing information for multiple pets in the Customer table creates a new record for each pet. Figure 3 illustrates the situation in which Sally Jackson owns two cats, so two Sally Jackson records appear in the Customer table. The customer information for Sally Jackson repeats for each of the two re ...
... storing information for multiple pets in the Customer table creates a new record for each pet. Figure 3 illustrates the situation in which Sally Jackson owns two cats, so two Sally Jackson records appear in the Customer table. The customer information for Sally Jackson repeats for each of the two re ...
Technical Overview of Oracle Exadata
... Storage Index on the B column of the first 1M region of the table has MIN=1 and MAX=3, Oracle would need to access this portion of the table as the B value of interest could potentially exist here. However, if the next 1M storage region had a MIN=2 and MAX=8 , then the B value of less than 2 will no ...
... Storage Index on the B column of the first 1M region of the table has MIN=1 and MAX=3, Oracle would need to access this portion of the table as the B value of interest could potentially exist here. However, if the next 1M storage region had a MIN=2 and MAX=8 , then the B value of less than 2 will no ...
Engineering a Distributed Intrusion Tolerant
... •If T[i1] and T[k1] are malicious, but T[j1] is not, then though none is valid, reexecuting T[j1] on the main history can produce the valid database ...
... •If T[i1] and T[k1] are malicious, but T[j1] is not, then though none is valid, reexecuting T[j1] on the main history can produce the valid database ...
OWB Position and Sales Overview
... Sales model • Sold by Technology Sales • Use “first piece is free” angle to create up-sell opts. • Database Options: ...
... Sales model • Sold by Technology Sales • Use “first piece is free” angle to create up-sell opts. • Database Options: ...
National Snow and Ice Data Center
... entire data sets – not just the metadata Ability to store colossal amounts of small files Relational databases can't handle it. The tables grow too big. (Object-relational is no better) ...
... entire data sets – not just the metadata Ability to store colossal amounts of small files Relational databases can't handle it. The tables grow too big. (Object-relational is no better) ...