3_concurrency
... • Process1 sets the Shared lock on the page, because there are no other locks on this page. Process2 sets the Shared lock on the page, because Shared locks are compatible with other Shared locks. Process3 wants to modify data and wants to set Exclusive lock, but it cannot make it before Process1 and ...
... • Process1 sets the Shared lock on the page, because there are no other locks on this page. Process2 sets the Shared lock on the page, because Shared locks are compatible with other Shared locks. Process3 wants to modify data and wants to set Exclusive lock, but it cannot make it before Process1 and ...
Protect Sensitive Data Using Encryption in SQL Server 2005
... object to the specified user. Managing ownerships is far more flexible in SQL Server 2005 than in earlier versions, but it takes some thought and management to give users the permissions they need while keeping the server secure. The AUTHORIZATION clause is important in encryption because a user mus ...
... object to the specified user. Managing ownerships is far more flexible in SQL Server 2005 than in earlier versions, but it takes some thought and management to give users the permissions they need while keeping the server secure. The AUTHORIZATION clause is important in encryption because a user mus ...
Optimizing Queries with Expensive Predicates
... Traditionally, a DBMS would execute this query by applying all the single-table restrictions in the where clause before performing the join of maps and weeks, since early restriction can lower the complexity of join processing. However in this example the cost of evaluating the expensive restrictio ...
... Traditionally, a DBMS would execute this query by applying all the single-table restrictions in the where clause before performing the join of maps and weeks, since early restriction can lower the complexity of join processing. However in this example the cost of evaluating the expensive restrictio ...
IPD - SQL Server - Best IT Document Solutions
... Two new premium editions. SQL Server 2008 R2 introduces two new premium editions to meet the needs of large scale data centers and data warehouses: Datacenter and Parallel Data Warehouse. Integration with Microsoft SQL Azure™. The client tools included with Microsoft SQL Server 2008 R2 allows DBAs t ...
... Two new premium editions. SQL Server 2008 R2 introduces two new premium editions to meet the needs of large scale data centers and data warehouses: Datacenter and Parallel Data Warehouse. Integration with Microsoft SQL Azure™. The client tools included with Microsoft SQL Server 2008 R2 allows DBAs t ...
Banner Enterprise Data Warehouse / Installation Guide / 8.3
... Contains confidential and proprietary information of SunGard and its subsidiaries. Use of these materials is limited to SunGard Higher Education licensees, and is subject to the terms and conditions of one or more written license agreements between SunGard Higher Education and the licensee in questi ...
... Contains confidential and proprietary information of SunGard and its subsidiaries. Use of these materials is limited to SunGard Higher Education licensees, and is subject to the terms and conditions of one or more written license agreements between SunGard Higher Education and the licensee in questi ...
FLEETMATE
... avoid startup issues that may occur due to an installation location other than C:\Program Files\FLEETMATE Enterprise. Set your startup location to.
When running FLEETMATE on Windows Vista, we recommend that you right-click your
FLEETMATE shortcut, choose Properties, click the Comp ...
... avoid startup issues that may occur due to an installation location other than C:\Program Files\FLEETMATE Enterprise. Set your startup location to
Control and Monitor Facilities for Multi-User Access
... display options. It is called by a user-written program that passes request parameters to it. Request return codes are returned to the calling user-program for action. The most frequent use of this interface is to allocate or deallocate a database in Multi-User. The Multi-User batch access control p ...
... display options. It is called by a user-written program that passes request parameters to it. Request return codes are returned to the calling user-program for action. The most frequent use of this interface is to allocate or deallocate a database in Multi-User. The Multi-User batch access control p ...
ConQuer: Efficient Management of Inconsistent Databases
... ABSTRACT Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present ConQuer, a system for efficient and scalable answering of SQL queries on databases that may violate a set of constr ...
... ABSTRACT Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present ConQuer, a system for efficient and scalable answering of SQL queries on databases that may violate a set of constr ...
DotSlash: Providing Dynamic Scalability to Web Applications
... The caching TTL is a control data, indicating the duration that a cached object to be kept as valid. The check in function serializes the original query result structure into a byte stream, and saves it at the underlying caching storage engine. In contrast, the check out function takes only one para ...
... The caching TTL is a control data, indicating the duration that a cached object to be kept as valid. The check in function serializes the original query result structure into a byte stream, and saves it at the underlying caching storage engine. In contrast, the check out function takes only one para ...
Reengineering of Database Applications to EJB based Architecture
... (EJB) technology not only demands more reengineering support for legacy database applications, but also changes the reengineering practice. Initiated from our experience of reengineering database applications to EJB based architecture, this paper addresses two challenges in the mapping between datab ...
... (EJB) technology not only demands more reengineering support for legacy database applications, but also changes the reengineering practice. Initiated from our experience of reengineering database applications to EJB based architecture, this paper addresses two challenges in the mapping between datab ...
Data Sources, Exchange Formats, and Database Schemas
... are also very specific, i.e. a given enzyme catalyses one particular reaction. Now, if an active drug substance binds to the enzyme its catalytic activity might become reduced, or even fully cancelled. Most known enzymes are proteins3. A receptor is a protein which binds a specific extra-cellular si ...
... are also very specific, i.e. a given enzyme catalyses one particular reaction. Now, if an active drug substance binds to the enzyme its catalytic activity might become reduced, or even fully cancelled. Most known enzymes are proteins3. A receptor is a protein which binds a specific extra-cellular si ...
download
... primary key of a base relation. Apart from this constraint, any occurrence of the value-unknown type of null can be replaced in an updating operation by a nonnull value, and vice versa, unless there is an explicit integrity constraint disallowing this. The first question which arises is: what is the ...
... primary key of a base relation. Apart from this constraint, any occurrence of the value-unknown type of null can be replaced in an updating operation by a nonnull value, and vice versa, unless there is an explicit integrity constraint disallowing this. The first question which arises is: what is the ...
Introduction to Database Systems
... Attribute - a property or description of an entity. A toy department employee entity could have attributes describing the employee’s name, salary, and years of service. Domain - a set of possible values for an attribute. Entity - an object in the real world that is distinguishable from other objects ...
... Attribute - a property or description of an entity. A toy department employee entity could have attributes describing the employee’s name, salary, and years of service. Domain - a set of possible values for an attribute. Entity - an object in the real world that is distinguishable from other objects ...
The associative model of data
... The relational model of data, invented by Ted Codd of IBM in the 1960s, is the standard database architecture in use today for mainstream transaction processing and information systems in industry, commerce and government. Relational databases store data in the form of tables (strictly, “relations”) ...
... The relational model of data, invented by Ted Codd of IBM in the 1960s, is the standard database architecture in use today for mainstream transaction processing and information systems in industry, commerce and government. Relational databases store data in the form of tables (strictly, “relations”) ...
Query Planning for Searching Inter-dependent Deep
... and error-prone process. Recently, there has been a lot of work on developing deep web mining systems [6, 7, 14, 15, 19, 31, 38]. Most of these systems focus on query interface integration and schema matching. A challenge associated with deep web systems, which has not received attention so far, ari ...
... and error-prone process. Recently, there has been a lot of work on developing deep web mining systems [6, 7, 14, 15, 19, 31, 38]. Most of these systems focus on query interface integration and schema matching. A challenge associated with deep web systems, which has not received attention so far, ari ...
parallel execution fundamental
... Processing (MPP) systems. Data partitioning is a fundamental prerequisite for these systems. In order to achieve a good workload distribution shared nothing systems have to use a hash algorithm to statically partition data evenly across all available processing units. The data partitioning strategy ...
... Processing (MPP) systems. Data partitioning is a fundamental prerequisite for these systems. In order to achieve a good workload distribution shared nothing systems have to use a hash algorithm to statically partition data evenly across all available processing units. The data partitioning strategy ...
Lecture 2 PowerPoint
... if I want to SELECT some data out of my database, I'm going to have multiple tables and multiple columns in each table. So, I need to say what specific part of this database am I interested in selecting. The general format of a SELECT statement is the word SELECT, what columns you're interested in, ...
... if I want to SELECT some data out of my database, I'm going to have multiple tables and multiple columns in each table. So, I need to say what specific part of this database am I interested in selecting. The general format of a SELECT statement is the word SELECT, what columns you're interested in, ...
Kapitel 13
... Therefore, cache manager must not relocate a page within cache or to the stable database until it is no longer used by the transaction. ...
... Therefore, cache manager must not relocate a page within cache or to the stable database until it is no longer used by the transaction. ...
Technical specification Capitex System
... The systems interface is similar to an MDI (Multiple Document Interface) application where you are work with multiple windows. In Windows 95/98 and Windows Me the operating systems resources to handle a complex interface and many components are limited. In a lack of resources the application may fai ...
... The systems interface is similar to an MDI (Multiple Document Interface) application where you are work with multiple windows. In Windows 95/98 and Windows Me the operating systems resources to handle a complex interface and many components are limited. In a lack of resources the application may fai ...
Entity Sets - UCLA Computer Science
... 1. each A entity is associated with a unique entity from B and C ? 2. each pair of entities from (A, B) is associated with a unique C entity, and each pair (A, C) is associated with a unique B ? As we will see when we study Functional Dependencies only 2 is consistent and we will adopt it. ...
... 1. each A entity is associated with a unique entity from B and C ? 2. each pair of entities from (A, B) is associated with a unique C entity, and each pair (A, C) is associated with a unique B ? As we will see when we study Functional Dependencies only 2 is consistent and we will adopt it. ...
Relational Database Systems 1
... 13.1 Manual Persistence • CRUD update – for updates, there are also various implementation approaches with different performance and safety properties – immediate updates • directly persist updates after they occur • augment each Bean’s set method with additional JDBC calls that directly write the ...
... 13.1 Manual Persistence • CRUD update – for updates, there are also various implementation approaches with different performance and safety properties – immediate updates • directly persist updates after they occur • augment each Bean’s set method with additional JDBC calls that directly write the ...
Oracle Database Appliance Sales Jarosław Skibiński
... OpEx by as much as $70K a year over similar solutions from HP and Dell, while benefitting from superior ease of management and single-vendor support. ...
... OpEx by as much as $70K a year over similar solutions from HP and Dell, while benefitting from superior ease of management and single-vendor support. ...
XML Databases
... databases (XEDs), which adopted a simple strategy to store XML data: each XML document is decomposed and its data are stored within tables. The now widespread adoption of XML brought on a new trend: storing data in XML format was now an area of new interest. The popularity of XML, a much less comple ...
... databases (XEDs), which adopted a simple strategy to store XML data: each XML document is decomposed and its data are stored within tables. The now widespread adoption of XML brought on a new trend: storing data in XML format was now an area of new interest. The popularity of XML, a much less comple ...