Using Oracle Data Guard to protect your database.
... Physical Standby Database is a block-for-block copy of the primary database Uses the database recovery functionality to apply changes Can be opened in read-only mode for reporting/queries Can also perform backup, offloading production database The best solution for DR ...
... Physical Standby Database is a block-for-block copy of the primary database Uses the database recovery functionality to apply changes Can be opened in read-only mode for reporting/queries Can also perform backup, offloading production database The best solution for DR ...
Abstract - Logic Systems
... databases have over hundreds of entities for chemical and biological data resources. Many web databases, such as Freebase and DB Pedia, typically have thousands of structured web entities. Therefore, it is difficult to design a set of static query forms to satisfy various ad-hoc database queries on ...
... databases have over hundreds of entities for chemical and biological data resources. Many web databases, such as Freebase and DB Pedia, typically have thousands of structured web entities. Therefore, it is difficult to design a set of static query forms to satisfy various ad-hoc database queries on ...
2 Typological Database System
... Theoretically biased perspectives on subdomains use specific vocabulary which may not be (universally) accepted or adhered to by other members of the (sub)domain community. A case in point is word order phenomena, which are variously represented in multiple databases. In this instance, “word order p ...
... Theoretically biased perspectives on subdomains use specific vocabulary which may not be (universally) accepted or adhered to by other members of the (sub)domain community. A case in point is word order phenomena, which are variously represented in multiple databases. In this instance, “word order p ...
Security in Private Database Clouds
... security risks: more components mean more attack surfaces and more interactions among components. When a system environment includes a variety of configuration and components (e.g., multiple O/S versions to maintain, multiple vendors to track, etc.), the management of the components is more difficul ...
... security risks: more components mean more attack surfaces and more interactions among components. When a system environment includes a variety of configuration and components (e.g., multiple O/S versions to maintain, multiple vendors to track, etc.), the management of the components is more difficul ...
the distributed tables
... Each DBMS instance works in parallel on its own “distribution” of a single user query. ...
... Each DBMS instance works in parallel on its own “distribution” of a single user query. ...
Design and implementation of Multi Dimensional Data
... Data warehouses support on-line analytical processing (OLAP) tools for the interactive analysis of multidimensional data. OLAP is on-line information processing is developed to performs consolidated, historic data rather than to perform operational data. It needs to perform complex queries with read ...
... Data warehouses support on-line analytical processing (OLAP) tools for the interactive analysis of multidimensional data. OLAP is on-line information processing is developed to performs consolidated, historic data rather than to perform operational data. It needs to perform complex queries with read ...
Chapter 1
... – Each occurrence of a specific entity is found only once in each set of data – Rare in relational databases ...
... – Each occurrence of a specific entity is found only once in each set of data – Rare in relational databases ...
lesson21
... also prohibits duplicate values from being stored in the index. • If a user tries to enter a duplicate value in the indexed field, the unique index will return an error, and the data modification will fail. • When a column can be used as a unique identifier for a row (such as an identity column), it ...
... also prohibits duplicate values from being stored in the index. • If a user tries to enter a duplicate value in the indexed field, the unique index will return an error, and the data modification will fail. • When a column can be used as a unique identifier for a row (such as an identity column), it ...
Creating an ODBC Connection to Microsoft SQL Server with
... On Windows, ensure that the PowerCenter Integration Service uses the same Windows NT login as the Microsoft SQL Server connection. On LINUX, ensure that the PowerCenter Integration Service uses the user details in the connection object for authentication. 1. Log in to the Workflow Manager. 2. Go to ...
... On Windows, ensure that the PowerCenter Integration Service uses the same Windows NT login as the Microsoft SQL Server connection. On LINUX, ensure that the PowerCenter Integration Service uses the user details in the connection object for authentication. 1. Log in to the Workflow Manager. 2. Go to ...
Data and Databases
... its own data, which were organized into a data file. This approach led to redundancy, inconsistency, data isolation, and other problems. Figure T3.3 uses a university file environment as an example. The applications (e.g., registrar, accounting, or athletics) would share some common core functions, ...
... its own data, which were organized into a data file. This approach led to redundancy, inconsistency, data isolation, and other problems. Figure T3.3 uses a university file environment as an example. The applications (e.g., registrar, accounting, or athletics) would share some common core functions, ...
DatalogRA : Datalog with Recursive Aggregation in the Spark RDD
... shortest paths from node 1 to other nodes. As a consequence, a program P in DatalogRA does not only consist of a set of rules but also an indication of in which relations the last column is being aggregated and what the aggregation operator is. The restriction of aggregation to the last column is on ...
... shortest paths from node 1 to other nodes. As a consequence, a program P in DatalogRA does not only consist of a set of rules but also an indication of in which relations the last column is being aggregated and what the aggregation operator is. The restriction of aggregation to the last column is on ...
Data Structures in Natural Computing
... (CPT), constructs (CST), schema (SCH) and data (DAT) from Figure 2. CPT is the same in both systems as there is one universal type for concepts. As usual the functors relate the categories. We have now though added natural transformations to relate the mapping between one functor and another. It nee ...
... (CPT), constructs (CST), schema (SCH) and data (DAT) from Figure 2. CPT is the same in both systems as there is one universal type for concepts. As usual the functors relate the categories. We have now though added natural transformations to relate the mapping between one functor and another. It nee ...
Domain Map - San Diego Supercomputer Center
... Sources • Domain Map = Ontology – representation of terminological knowledge ...
... Sources • Domain Map = Ontology – representation of terminological knowledge ...
Using SAS® Software to Develop a Geographical Database for Aerial Photography
... using the menu structure of SAS/AF software which enables the researcher to update, retrieve, summarize and display data. The data collected is maintained by IBM®' s VM relational database SQL/DS® and can be extracted to create a SAS data set, using the SAS-SQL/DS interface. The data set created, ...
... using the menu structure of SAS/AF software which enables the researcher to update, retrieve, summarize and display data. The data collected is maintained by IBM®' s VM relational database SQL/DS® and can be extracted to create a SAS data set, using the SAS-SQL/DS interface. The data set created, ...
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 ...
Wrap-up, review
... user’s work does not inappropriately influence another user’s work No single concurrency control technique is ideal for all circumstances Trade-offs need to be made between level of protection and throughput ...
... user’s work does not inappropriately influence another user’s work No single concurrency control technique is ideal for all circumstances Trade-offs need to be made between level of protection and throughput ...
Class 19 - Computer Science, NMSU
... • has no attributes or method code – only signatures • does not have its own objects – only the objects that belong to the interface’s ODMG subclasses • cannot inherit from (be a subclass of) an ODMG class – only from another ODMG interface (in fact, from multiple such interfaces) ...
... • has no attributes or method code – only signatures • does not have its own objects – only the objects that belong to the interface’s ODMG subclasses • cannot inherit from (be a subclass of) an ODMG class – only from another ODMG interface (in fact, from multiple such interfaces) ...
Chapter 10
... Concepts that Affect Transaction Recovery • Write-ahead-log protocol: ensures transaction logs are written before data is updated • Redundant transaction logs: ensure physical disk failure will not impair ability to recover • Buffers: temporary storage areas in primary memory • Checkpoints: operati ...
... Concepts that Affect Transaction Recovery • Write-ahead-log protocol: ensures transaction logs are written before data is updated • Redundant transaction logs: ensure physical disk failure will not impair ability to recover • Buffers: temporary storage areas in primary memory • Checkpoints: operati ...
Name - Rose
... • has no attributes or method code – only signatures • does not have its own objects – only the objects that belong to the interface’s ODMG subclasses • cannot inherit from (be a subclass of) an ODMG class – only from another ODMG interface (in fact, from multiple such interfaces) ...
... • has no attributes or method code – only signatures • does not have its own objects – only the objects that belong to the interface’s ODMG subclasses • cannot inherit from (be a subclass of) an ODMG class – only from another ODMG interface (in fact, from multiple such interfaces) ...
No Slide Title
... documents in the database – Substitution groups Instance data is stored in a column/table corresponding to the head element. Additional information includes the actual element type. Also includes, namespace prefixes, comments, PIs. ...
... documents in the database – Substitution groups Instance data is stored in a column/table corresponding to the head element. Additional information includes the actual element type. Also includes, namespace prefixes, comments, PIs. ...
Lesson 1
... Terminology • Join – combining two database tables to create a new table • Table – a database topic that contains rows (records) and columns (attributes or fields) • Record – one row of a relational database table • Field – one column of a relational database table • Entity (i.e., record) – a person ...
... Terminology • Join – combining two database tables to create a new table • Table – a database topic that contains rows (records) and columns (attributes or fields) • Record – one row of a relational database table • Field – one column of a relational database table • Entity (i.e., record) – a person ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.