Object-Oriented Design of Database Stored Procedures
... of numeric error codes. The syntax for error strings is className + ‘_’ + operationName + ‘_’ + errorMessage. (We have tried to make error messages consistent across classes and operations.) It is often convenient to define a transaction, tentatively write the data, check the data, and then rollback ...
... of numeric error codes. The syntax for error strings is className + ‘_’ + operationName + ‘_’ + errorMessage. (We have tried to make error messages consistent across classes and operations.) It is often convenient to define a transaction, tentatively write the data, check the data, and then rollback ...
Slide 1
... • Oracle version 10g installed on database server by DBA • M3 application installed by copying folder structure from production server • System configuration files updated manually by Lawson prior to starting the application Site Maintenance ...
... • Oracle version 10g installed on database server by DBA • M3 application installed by copying folder structure from production server • System configuration files updated manually by Lawson prior to starting the application Site Maintenance ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... physical memory, the large volume of data can be partitioned into smaller segments to load into primary memory. This can help to execute the application program to access data larger than the main memory size successfully. But if the number of partitions is big enough, then data access ...
... physical memory, the large volume of data can be partitioned into smaller segments to load into primary memory. This can help to execute the application program to access data larger than the main memory size successfully. But if the number of partitions is big enough, then data access ...
Setting up a Maintenance Plan for SQL Server
... Setting up a Maintenance Plan for SQL Server SQL Server requires regular maintenance. Maintenance includes re-indexing and backing up the databases. This document is designed as a guide for setting up a regular database maintenance schedule. Backups should be done on a regular basis. The policies fo ...
... Setting up a Maintenance Plan for SQL Server SQL Server requires regular maintenance. Maintenance includes re-indexing and backing up the databases. This document is designed as a guide for setting up a regular database maintenance schedule. Backups should be done on a regular basis. The policies fo ...
Incremental Export of Relational Database Contents into RDF Graphs
... • The approach is efficient when data freshness is not crucial and/or selection queries over the contents are more frequent than the updates • The task of exposing database contents as RDF could be considered similar to the task of maintaining search indexes next to text content • Third party softwa ...
... • The approach is efficient when data freshness is not crucial and/or selection queries over the contents are more frequent than the updates • The task of exposing database contents as RDF could be considered similar to the task of maintaining search indexes next to text content • Third party softwa ...
Data Persistence and Object
... The Data Mapper converts a n-to-1 association to a foreign key relation (persist) or foreign key to object (retrieve). ...
... The Data Mapper converts a n-to-1 association to a foreign key relation (persist) or foreign key to object (retrieve). ...
Transactions
... A transaction must see a consistent database. During transaction execution the database may be temporarily inconsistent. When the transaction completes successfully the database must be ...
... A transaction must see a consistent database. During transaction execution the database may be temporarily inconsistent. When the transaction completes successfully the database must be ...
Week 13 - Pravin Shetty > Resume
... A KEY is an attribute (or a set of attributes) in a table which uniquely identifies each row in that table There are several types of keys : 1. A candidate key - this is one of the ‘possible’ keys in a table. A an example, a motor car has a Registered Number, and also a Vehicle identification Number ...
... A KEY is an attribute (or a set of attributes) in a table which uniquely identifies each row in that table There are several types of keys : 1. A candidate key - this is one of the ‘possible’ keys in a table. A an example, a motor car has a Registered Number, and also a Vehicle identification Number ...
Data Warehouse Schema Design
... From a technical point of view we regard a data warehouse as a relational database that stores a set of materialized relational views. These materialized views have to be maintained in order to keep track of updates in the operational databases, and self-maintainability has been identified as desira ...
... From a technical point of view we regard a data warehouse as a relational database that stores a set of materialized relational views. These materialized views have to be maintained in order to keep track of updates in the operational databases, and self-maintainability has been identified as desira ...
Data Warehouse Schema Design
... From a technical point of view we regard a data warehouse as a relational database that stores a set of materialized relational views. These materialized views have to be maintained in order to keep track of updates in the operational databases, and self-maintainability has been identified as desira ...
... From a technical point of view we regard a data warehouse as a relational database that stores a set of materialized relational views. These materialized views have to be maintained in order to keep track of updates in the operational databases, and self-maintainability has been identified as desira ...
Development - Downloads
... purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products re ...
... purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products re ...
Projects 1984 - Special Collections
... the database (FoxPro) by the users. Once the information has been entered, the user will be able to search for a particular slide using any of the slide information categories. Reports can be produced which list the various slides contained in each of the categories or an entire listing of all slide ...
... the database (FoxPro) by the users. Once the information has been entered, the user will be able to search for a particular slide using any of the slide information categories. Reports can be produced which list the various slides contained in each of the categories or an entire listing of all slide ...
Document
... values. The domain declaration A dom requires that the A value of all tuples be values in dom. Key declaration. Let R be a relation schema with K R. The key declaration key (K) requires that K be a superkey for schema R (K R). All key declarations are functional dependencies but not all func ...
... values. The domain declaration A dom requires that the A value of all tuples be values in dom. Key declaration. Let R be a relation schema with K R. The key declaration key (K) requires that K be a superkey for schema R (K R). All key declarations are functional dependencies but not all func ...
Structured Query Language
... Identified and used data types to define the columns in SQL tables Introduced and used nulls Added rows of data to tables Viewed table data Introduced and used Integrity Constraints Introduced and used System Commands ...
... Identified and used data types to define the columns in SQL tables Introduced and used nulls Added rows of data to tables Viewed table data Introduced and used Integrity Constraints Introduced and used System Commands ...
Relational Data Model
... A database is a collection of data files that is structured (organized) to facilitate data storage, manipulation, and retrieval. A database management system (DBMS) is a software package that performs these database functions ...
... A database is a collection of data files that is structured (organized) to facilitate data storage, manipulation, and retrieval. A database management system (DBMS) is a software package that performs these database functions ...
Chapter 22: Distribute Databases
... At most K sites (participants as well as coordinator) can fail Phase 1: Obtaining Preliminary Decision: Identical to 2PC Phase 1. Every site is ready to commit if instructed to do so Phase 2 of 2PC is split into 2 phases, Phase 2 and Phase 3 of 3PC In phase 2 coordinator makes a decision as in ...
... At most K sites (participants as well as coordinator) can fail Phase 1: Obtaining Preliminary Decision: Identical to 2PC Phase 1. Every site is ready to commit if instructed to do so Phase 2 of 2PC is split into 2 phases, Phase 2 and Phase 3 of 3PC In phase 2 coordinator makes a decision as in ...
CouchDB Features
... emit(key,value) - built-in function Results of emit() are sorted by key We query the views to produce the desired result When we query a view, it's run on every document in the database for which view is defined View result is stored in a B-tree ...
... emit(key,value) - built-in function Results of emit() are sorted by key We query the views to produce the desired result When we query a view, it's run on every document in the database for which view is defined View result is stored in a B-tree ...
An Online Data Access System for a Finite Element Program ABSTRACT
... then be examined by the control structure of other programs and appropriate actions can be taken. Today, file system remains the most popular approach in managing data storage. The loosely-coupled systems could talk to each other through the same file system. However, this does not imply that they s ...
... then be examined by the control structure of other programs and appropriate actions can be taken. Today, file system remains the most popular approach in managing data storage. The loosely-coupled systems could talk to each other through the same file system. However, this does not imply that they s ...
Online Data Access System for Finite Element Program
... then be examined by the control structure of other programs and appropriate actions can be taken. Today, file system remains the most popular approach in managing data storage. The loosely-coupled systems could talk to each other through the same file system. However, this does not imply that they s ...
... then be examined by the control structure of other programs and appropriate actions can be taken. Today, file system remains the most popular approach in managing data storage. The loosely-coupled systems could talk to each other through the same file system. However, this does not imply that they s ...
How In-Memory Affects Database Design
... inserting the same data...MVCC will let them) –Foreign Key can't reliably be done because: • In Snapshot Isolation Level, the row may have been deleted while you check • In Higher Levels, the transaction will fail if the row has been updated drsql.org ...
... inserting the same data...MVCC will let them) –Foreign Key can't reliably be done because: • In Snapshot Isolation Level, the row may have been deleted while you check • In Higher Levels, the transaction will fail if the row has been updated drsql.org ...
A Locksmith's Guide to SoD
... dividing the work and re-assigning some of the “power” For example, do your DBAs really need to query user data to do their job? If not, why continue to allow them to have access? What about security tasks? Should these all reside within the control of one individual or group? With DB2 9.7, So ...
... dividing the work and re-assigning some of the “power” For example, do your DBAs really need to query user data to do their job? If not, why continue to allow them to have access? What about security tasks? Should these all reside within the control of one individual or group? With DB2 9.7, So ...
TerraLib: An Open Source GIS Library for Large-Scale
... of geographic information system (GIS) software development. Spatially-enabled database management systems (DBMS) such as PostgreSQL empower a transition from monolithic GIS with hundreds of functions to a generation of spatial information applications tailored to suit specific user needs. These cap ...
... of geographic information system (GIS) software development. Spatially-enabled database management systems (DBMS) such as PostgreSQL empower a transition from monolithic GIS with hundreds of functions to a generation of spatial information applications tailored to suit specific user needs. These cap ...