Chapter 09 Review Questions (Word)
... cause of database errors. Further, documentation of database changes can be used to determine the structure of the database at some point in the past. This is necessary for proper interpretation of any historical records that may need to be retrieved. Finally, documentation can assist in recovering ...
... cause of database errors. Further, documentation of database changes can be used to determine the structure of the database at some point in the past. This is necessary for proper interpretation of any historical records that may need to be retrieved. Finally, documentation can assist in recovering ...
Lesson-A
... The purpose of transaction processing is enable every user to see a consistent view of the database. To achieve this consistency, a user cannot view or update data values that are part of another user’s uncommitted transaction because these uncommitted transactions, which are called pending transact ...
... The purpose of transaction processing is enable every user to see a consistent view of the database. To achieve this consistency, a user cannot view or update data values that are part of another user’s uncommitted transaction because these uncommitted transactions, which are called pending transact ...
Install and configure Tivoli Common Reporting Cognos-based reports within IBM Tivoli
... In order to install TCR Cognos-based reports, there are some prerequisites that need to be satisfied and that depends from the specific product that is releasing the set of reports. Cognos relies on a data model that helps normalize the data and make it easier to configure reports. The data model is ...
... In order to install TCR Cognos-based reports, there are some prerequisites that need to be satisfied and that depends from the specific product that is releasing the set of reports. Cognos relies on a data model that helps normalize the data and make it easier to configure reports. The data model is ...
Java Database Connectivity (JDBC)
... • Type 2: Native API drivers. Driver contains Java code that calls native C/C++ methods provided by the database vendors. • Type 3: Generic network API that is then translated into database-specific access at the server level. The JDBC driver on the client uses sockets to call a middleware applicati ...
... • Type 2: Native API drivers. Driver contains Java code that calls native C/C++ methods provided by the database vendors. • Type 3: Generic network API that is then translated into database-specific access at the server level. The JDBC driver on the client uses sockets to call a middleware applicati ...
Using Data Definition Language (DDL)
... Without the aliases, the first line would become, SELECT Geography.Region-name REGION, SUM(Store-Information.Sales) SALES ...
... Without the aliases, the first line would become, SELECT Geography.Region-name REGION, SUM(Store-Information.Sales) SALES ...
The λ abroad - Universiteit Utrecht
... In general, providing a composable framework for domain specific abstractions is of greater utility than a collection of stand-alone domain specific languages. • Programmers only have to learn one language – domain specific language extensions are provided as a library. • It is nearly always possibl ...
... In general, providing a composable framework for domain specific abstractions is of greater utility than a collection of stand-alone domain specific languages. • Programmers only have to learn one language – domain specific language extensions are provided as a library. • It is nearly always possibl ...
On the Use of Linda as a Framework for Distributed Database Systems
... replication requires the DDBMS to provide replication transparency. An user should be able to use a data item as if it was not replicated at all. ...
... replication requires the DDBMS to provide replication transparency. An user should be able to use a data item as if it was not replicated at all. ...
1_Managing external data_1
... – Build a new table with as many columns as there are attributes for the union of the primary keys of all participating entity sets. – Augment additional columns for descriptive attributes of the relationship set (if necessary) – The primary key of this table is the union of all primary keys of enti ...
... – Build a new table with as many columns as there are attributes for the union of the primary keys of all participating entity sets. – Augment additional columns for descriptive attributes of the relationship set (if necessary) – The primary key of this table is the union of all primary keys of enti ...
Conceptual Model Based Normalization of XML Views
... Enterprises usually utilize several applications supporting different users for performing different business processes. Even though these applications share the same data (about customers, products, etc.), each of them requires the processed data to be represented in different forms suitable for th ...
... Enterprises usually utilize several applications supporting different users for performing different business processes. Even though these applications share the same data (about customers, products, etc.), each of them requires the processed data to be represented in different forms suitable for th ...
DBC-e04-Chapter-02-PP
... represented in a database • An entity represents one theme or topic • In an entity-relationship model (discussed in Chapter 4), entities are restricted to things that can be represented by a single table KROENKE and AUER - DATABASE CONCEPTS (4th Edition) © 2010, 2008 Pearson Prentice Hall ...
... represented in a database • An entity represents one theme or topic • In an entity-relationship model (discussed in Chapter 4), entities are restricted to things that can be represented by a single table KROENKE and AUER - DATABASE CONCEPTS (4th Edition) © 2010, 2008 Pearson Prentice Hall ...
Skew-aware automatic database partitioning in shared - H
... this problem employed by many Web-based companies is to partition the data and workload across a large number of commodity, shared-nothing servers using a cost-effective, parallel DBMS. Many of these companies have adopted various new DBMSs, colloquially referred to as NoSQL systems, that give up tr ...
... this problem employed by many Web-based companies is to partition the data and workload across a large number of commodity, shared-nothing servers using a cost-effective, parallel DBMS. Many of these companies have adopted various new DBMSs, colloquially referred to as NoSQL systems, that give up tr ...
ERC+: an object+relationship paradigm for database applications
... robotics, geographic systems, must deal with highly structured and interrelated information objects. These applications have the same complexity as large software systems, and therefore, OO technology has naturally been advocated as a key to their efficient design and implementation. Hopes are high ...
... robotics, geographic systems, must deal with highly structured and interrelated information objects. These applications have the same complexity as large software systems, and therefore, OO technology has naturally been advocated as a key to their efficient design and implementation. Hopes are high ...
Access.12
... • Open the database, click the Office Button, point to Manage, and then click Database Properties • Click the Custom tab • To set an existing property, scroll the Name list, click the property in the Name list, type the property setting in the Value text box, and then click the Add button • To creat ...
... • Open the database, click the Office Button, point to Manage, and then click Database Properties • Click the Custom tab • To set an existing property, scroll the Name list, click the property in the Name list, type the property setting in the Value text box, and then click the Add button • To creat ...
cos346day19
... Maintaining the Data Repository • DBA is responsible for maintaining the data repository • Data repositories are collections of metadata about users, databases, and its applications • The repository may be – Virtual as it is composed of metadata from many different sources: DBMS, code libraries, We ...
... Maintaining the Data Repository • DBA is responsible for maintaining the data repository • Data repositories are collections of metadata about users, databases, and its applications • The repository may be – Virtual as it is composed of metadata from many different sources: DBMS, code libraries, We ...
Role Transition Best Practices: Data Guard and Active Data
... A database switchover performed by Oracle Data Guard is a planned transition that includes a series of steps to switch roles between a standby database and a primary database. Following a successful switchover operation, the standby database assumes the primary role and the primary database becomes ...
... A database switchover performed by Oracle Data Guard is a planned transition that includes a series of steps to switch roles between a standby database and a primary database. Following a successful switchover operation, the standby database assumes the primary role and the primary database becomes ...
Database System Concepts, 6 th Ed
... tot_cred numeric (3,0) default 0, primary key (ID)) create index studentID_index on student(ID) Indices are data structures used to speed up access to records with specified values for index attributes e.g. select * from student where ID = ‘12345’ can be executed by using the index to find the ...
... tot_cred numeric (3,0) default 0, primary key (ID)) create index studentID_index on student(ID) Indices are data structures used to speed up access to records with specified values for index attributes e.g. select * from student where ID = ‘12345’ can be executed by using the index to find the ...
Data integration
... May use external sources (e.g., Thesauri) 〈SC1.element-1 ≈ SC2.element-2, p,s〉 ➡ Element-1 in schema SC1 is similar to element-2 in schema SC2 if predicate p ...
... May use external sources (e.g., Thesauri) 〈SC1.element-1 ≈ SC2.element-2, p,s〉 ➡ Element-1 in schema SC1 is similar to element-2 in schema SC2 if predicate p ...
SQL Server and Oracle
... After installation, setup and database conversion (see the Installing Museum, Library and Archive manual), you may open, in a/o Microsoft’s SQL Server Management Studio (Express) or SQL Server Enterprise Manager, an Adlib SQL Server database, and in the Oracle Enterprise Manager Console an Adlib Ora ...
... After installation, setup and database conversion (see the Installing Museum, Library and Archive manual), you may open, in a/o Microsoft’s SQL Server Management Studio (Express) or SQL Server Enterprise Manager, an Adlib SQL Server database, and in the Oracle Enterprise Manager Console an Adlib Ora ...
Chapter 6 MICROARRAY DATA MANAGEMENT
... the biological significance of its content it is necessary to integrate several types of genomic information (e.g. the assignment of the molecular function of genes, the history of the samples used on the microarray, the batch and lot numbers of the slide, the settings of the scanner, and so on). Th ...
... the biological significance of its content it is necessary to integrate several types of genomic information (e.g. the assignment of the molecular function of genes, the history of the samples used on the microarray, the batch and lot numbers of the slide, the settings of the scanner, and so on). Th ...
dept_name
... An assertion is a predicate expressing a condition that we wish the database always to satisfy ...
... An assertion is a predicate expressing a condition that we wish the database always to satisfy ...