Object Query Language
... The Object Data Management Group (as it is called now) was formed in 1991 as the Object Database Management Group, an independent organisation to standardise Object Oriented Database Management Systems. It includes corporate members such as Sun, Poet and Computer Associates. The first version of the ...
... The Object Data Management Group (as it is called now) was formed in 1991 as the Object Database Management Group, an independent organisation to standardise Object Oriented Database Management Systems. It includes corporate members such as Sun, Poet and Computer Associates. The first version of the ...
PostGIS Analysis Tool (PGAT)
... store different kind of messages including the SQL statements that it sends to the PostGIS server. This log system and all the preferences are stored using the software db4o. ...
... store different kind of messages including the SQL statements that it sends to the PostGIS server. This log system and all the preferences are stored using the software db4o. ...
Materialized View
... OLTP is a sensitive database they should not allow multiple select statements it may impact the performance as well as if something goes wrong while fetching data from OLTP to data warehouse it will directly impact the business. ODS is the replication of OLTP. ODS is usually getting refreshed throug ...
... OLTP is a sensitive database they should not allow multiple select statements it may impact the performance as well as if something goes wrong while fetching data from OLTP to data warehouse it will directly impact the business. ODS is the replication of OLTP. ODS is usually getting refreshed throug ...
Developing a database for Genbank information.
... of DNA and protein sequences. Expressed Sequence Tags (EST) information is one type of data housed within GenBank. Access to EST information is in one of two main forms. The first is through the National Center for Biotechnology (NCBI) Entrez web interface. The web interface is a starting point at l ...
... of DNA and protein sequences. Expressed Sequence Tags (EST) information is one type of data housed within GenBank. Access to EST information is in one of two main forms. The first is through the National Center for Biotechnology (NCBI) Entrez web interface. The web interface is a starting point at l ...
Lecture 6
... Note: predicates in the having clause are applied after the formation of groups whereas predicates in the where clause are applied before forming groups ...
... Note: predicates in the having clause are applied after the formation of groups whereas predicates in the where clause are applied before forming groups ...
RMAN Cloning using Recovery Catalog
... Note: To make it easy for you, just copy the entries in any one of the tnsnames.ora file and paste it into the tnsnames.ora file of other two databases. Then, you are done with configuring the TNS names. The purpose of configuring the LISTENER and TNSNAMES for each and every database is to access th ...
... Note: To make it easy for you, just copy the entries in any one of the tnsnames.ora file and paste it into the tnsnames.ora file of other two databases. Then, you are done with configuring the TNS names. The purpose of configuring the LISTENER and TNSNAMES for each and every database is to access th ...
SQL Server Replication: Providing High Availability using Database
... implementation of a bi-directional transactional replication topology, where the replication stream flows both ways. In this topology, any participating node may read or update the data. Properly partitioned modifications are propagated between all nodes in a full mesh topology (as shown in Figure 1 ...
... implementation of a bi-directional transactional replication topology, where the replication stream flows both ways. In this topology, any participating node may read or update the data. Properly partitioned modifications are propagated between all nodes in a full mesh topology (as shown in Figure 1 ...
Chapter>>10
... 38. What is an optimizer hint? Why should hints be used cautiously? Ans: A hint is a way to influence the choices made by the optimization component. For example, Oracle allows hints to choose the optimization goal, the file structure for a particular table, the join algorithm, and the join order. H ...
... 38. What is an optimizer hint? Why should hints be used cautiously? Ans: A hint is a way to influence the choices made by the optimization component. For example, Oracle allows hints to choose the optimization goal, the file structure for a particular table, the join algorithm, and the join order. H ...
jdbc
... JDBC is a simple API for connecting from Java applications to multiple databases. Lets you smoothly translate between the world of the database, and the world of the Java application. The idea of a universal database access API is not a new one. For example, Open Database Connectivity (ODBC) w ...
... JDBC is a simple API for connecting from Java applications to multiple databases. Lets you smoothly translate between the world of the database, and the world of the Java application. The idea of a universal database access API is not a new one. For example, Open Database Connectivity (ODBC) w ...
lecture12
... JDBC is a simple API for connecting from Java applications to multiple databases. Lets you smoothly translate between the world of the database, and the world of the Java application. The idea of a universal database access API is not a new one. For example, Open Database Connectivity (ODBC) w ...
... JDBC is a simple API for connecting from Java applications to multiple databases. Lets you smoothly translate between the world of the database, and the world of the Java application. The idea of a universal database access API is not a new one. For example, Open Database Connectivity (ODBC) w ...
Chapter5. Other Relational Languages
... $200 savings account for every loan account they have, with the loan number serving as the account number for the new savings account. ...
... $200 savings account for every loan account they have, with the loan number serving as the account number for the new savings account. ...
Mining Association Rules between Sets of Items in Large Databases
... large itemsets containing more than l items, where l is small. Hence, a lot of those 2m combinations will turn out to be small anyway. A better approach is to measure in the kth pass only those itemsets that contain exactly k items. Having measured some itemsets in the kth pass, we need to measure i ...
... large itemsets containing more than l items, where l is small. Hence, a lot of those 2m combinations will turn out to be small anyway. A better approach is to measure in the kth pass only those itemsets that contain exactly k items. Having measured some itemsets in the kth pass, we need to measure i ...
Lecture 13
... have SQL or special characters that may require escape sequences – To handle the special characters, pass the string to the PreparedStatement setString method which will automatically escape the string as necessary ...
... have SQL or special characters that may require escape sequences – To handle the special characters, pass the string to the PreparedStatement setString method which will automatically escape the string as necessary ...
Maintaining Database Integrity with Refinement Types
... functional language F# [28], but compiled to SQL for efficient execution in the relational backend. This is an instance of multi-tier functional programming, where a single functional program is split across tiers including the web server and the database. Our mapping is based on three ideas: (1) W ...
... functional language F# [28], but compiled to SQL for efficient execution in the relational backend. This is an instance of multi-tier functional programming, where a single functional program is split across tiers including the web server and the database. Our mapping is based on three ideas: (1) W ...
View PDF
... of Entity-Relationship (ER) modelling. The chapter discussed the concepts of an entity, participation, recursive relationships, weak entities and strong entities. It also illustrated how these concepts can be represented in the ER diagrams. Improved computer speed and memory has, in recent years, tr ...
... of Entity-Relationship (ER) modelling. The chapter discussed the concepts of an entity, participation, recursive relationships, weak entities and strong entities. It also illustrated how these concepts can be represented in the ER diagrams. Improved computer speed and memory has, in recent years, tr ...
A Probabilistic Relational Algebra for the Integration of Information
... weights produced by the IR component cannot be exploited by a DBMS which is based on Boolean logic. The basic idea of our model is to extend the relational model in such a way that it can handle probabilistic weights required for performing IR. In document indexing, terms are assigned weights with r ...
... weights produced by the IR component cannot be exploited by a DBMS which is based on Boolean logic. The basic idea of our model is to extend the relational model in such a way that it can handle probabilistic weights required for performing IR. In document indexing, terms are assigned weights with r ...
RelationalModel
... customer (customer-name, customer-street, customer-city) branch (branch-name, branch-city, assets) account (account-number, branch-name, balance) loan (loan-number, branch-name, amount) depositor (customer-name, account-number) borrower (customer-name, loan-number) ...
... customer (customer-name, customer-street, customer-city) branch (branch-name, branch-city, assets) account (account-number, branch-name, balance) loan (loan-number, branch-name, amount) depositor (customer-name, account-number) borrower (customer-name, loan-number) ...
WLCG2008CERN
... - Our Tivoli Storage Manager system give use the ability to have at the same time a copy of those backups on disk and on tape. ...
... - Our Tivoli Storage Manager system give use the ability to have at the same time a copy of those backups on disk and on tape. ...
Korpus-Abfrage: Werkzeuge und Sprachen Motivation Overview
... functions (such as data definition, data organization, data integrity, access to specific data) allows consistent access to data • Integration of all data avoids redundancy • Data is independent of applications • Database systems take measures to guarantee data integrity and control of multiple user ...
... functions (such as data definition, data organization, data integrity, access to specific data) allows consistent access to data • Integration of all data avoids redundancy • Data is independent of applications • Database systems take measures to guarantee data integrity and control of multiple user ...
Troubleshoot connecting to SQL in Data Connector
... A message similar to Server is listening on [ 'any' 1433] should be listed. This
message indicates that this instance of SQL Server is listening on all the computers IP
Addresses (for IP version 4) and is listening to TCP port 1433. (TCP port 1433 is usually the
port used by the Database Engi ...
... A message similar to Server is listening on [ 'any'
Lesson 1: Exploring the Access Environment
... Macros are database objects that add functionality and automation to a database. A macro contains a series of database actions that are saved in an executable block of simplified programming language. Macro actions perform tasks, such as adding, deleting, or printing a record; opening a report; runn ...
... Macros are database objects that add functionality and automation to a database. A macro contains a series of database actions that are saved in an executable block of simplified programming language. Macro actions perform tasks, such as adding, deleting, or printing a record; opening a report; runn ...
IOSR Journal of Computer Engineering (IOSRJCE)
... Information given in real-world applications is often vague, imprecise and uncertain. Ignoring the imperfect nature of real-world will introduce some deformation of human perception of real-world .It may eliminate several substantial information. That information may be very useful in several data-i ...
... Information given in real-world applications is often vague, imprecise and uncertain. Ignoring the imperfect nature of real-world will introduce some deformation of human perception of real-world .It may eliminate several substantial information. That information may be very useful in several data-i ...
Benchmarking Cloud Serving Systems with YCSB. ()
... and cluster records by primary key, but the disk cost of this process can reduce performance for other operations. Overall, then, there is an inherent tradeoff between optimizing for reads and optimizing for writes. A particular case of this tradeoff is seen in systems such as HBase that are based o ...
... and cluster records by primary key, but the disk cost of this process can reduce performance for other operations. Overall, then, there is an inherent tradeoff between optimizing for reads and optimizing for writes. A particular case of this tradeoff is seen in systems such as HBase that are based o ...