
PDO - Ilia Alshanetsky
... Common interface to any number of database systems. Written in C, so you know it’s ...
... Common interface to any number of database systems. Written in C, so you know it’s ...
Vulcan Overview
... on the result of tests for ODS version. Maintaining several parallel and intersecting execution paths is an engineering challenge at best. In the original InterBase, on-disk structure (ODS) changes were handled by including a provider that handled the old ODS and a provider that handled the new ODS. ...
... on the result of tests for ODS version. Maintaining several parallel and intersecting execution paths is an engineering challenge at best. In the original InterBase, on-disk structure (ODS) changes were handled by including a provider that handled the old ODS and a provider that handled the new ODS. ...
Certification Sample Test 700 IBM DB2 UDB V8.1 Family
... The event Nonrepeatable Reads describes the scenario in which a transaction issues the same SELECT statement twice and receives different results each time. Transaction A reads a set of rows and another transaction, transaction B, modifies or deletes the same set of rows and commits the changes. Whe ...
... The event Nonrepeatable Reads describes the scenario in which a transaction issues the same SELECT statement twice and receives different results each time. Transaction A reads a set of rows and another transaction, transaction B, modifies or deletes the same set of rows and commits the changes. Whe ...
MS SQL Server
... SQL OS: This lies between the host machine (Windows OS) and SQL Server. All the activities performed on database engine are taken care of by SQL OS. SQL OS provides various operating system services, such as memory management deals with buffer pool, log buffer and deadlock detection using the blocki ...
... SQL OS: This lies between the host machine (Windows OS) and SQL Server. All the activities performed on database engine are taken care of by SQL OS. SQL OS provides various operating system services, such as memory management deals with buffer pool, log buffer and deadlock detection using the blocki ...
31. Temporal Entity-Relationship Models–a Survey
... model supports a temporal aspect, i.e., valid or transaction time, if it provides builtin means for indicating where in an ER diagram this aspect should be captured. The temporal ER models attempt to more naturally and elegantly model the temporal aspects, such as valid and transaction time, of info ...
... model supports a temporal aspect, i.e., valid or transaction time, if it provides builtin means for indicating where in an ER diagram this aspect should be captured. The temporal ER models attempt to more naturally and elegantly model the temporal aspects, such as valid and transaction time, of info ...
Hibernate Interview Questions
... The configuration files hibernate.cfg.xml (or hibernate.properties) and mapping files *.hbm.xml are used by the Configuration class to create (i.e. configure and bootstrap hibernate) the SessionFactory, which in turn creates the Session instances. Session instances are the primary interface for the ...
... The configuration files hibernate.cfg.xml (or hibernate.properties) and mapping files *.hbm.xml are used by the Configuration class to create (i.e. configure and bootstrap hibernate) the SessionFactory, which in turn creates the Session instances. Session instances are the primary interface for the ...
SQL: Queries, Programming, Triggers
... Attr2, where op is one of , , , , , ) combined using AND, OR and NOT. DISTINCT is an optional keyword indicating that the answer should not contain duplicates. Default is that duplicates are not eliminated! ...
... Attr2, where op is one of , , , , , ) combined using AND, OR and NOT. DISTINCT is an optional keyword indicating that the answer should not contain duplicates. Default is that duplicates are not eliminated! ...
Control and Monitor Facilities for Multi-User Access
... This program executes as a Multi-User batch job. Its function is the same as the CICS MUDBACF transactions except for the 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 f ...
... This program executes as a Multi-User batch job. Its function is the same as the CICS MUDBACF transactions except for the 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 f ...
ASP - TechNet Gallery
... First step is to we need to add a Grunt file to our project. Right click our project and Select Client-Side and Select Grunt Configuration File and click Add. ...
... First step is to we need to add a Grunt file to our project. Right click our project and Select Client-Side and Select Grunt Configuration File and click Add. ...
Mirroring - Dynamics User Group
... http://www.microsoft.com/sqlserver/en/us/product-info/future-editions.aspx ...
... http://www.microsoft.com/sqlserver/en/us/product-info/future-editions.aspx ...
RMAN in the Trenches: Part II
... metadata in the controlfile to alter behavior for our purposes, e.g. the shortest retention window is 1 day (use ALTER SYSTEM SET FIXED_DATE ) No command editing or buffer display in RMAN comparable to sqlplus; LIST command without summary clause can be copious, can be off the terminal buffer, so ...
... metadata in the controlfile to alter behavior for our purposes, e.g. the shortest retention window is 1 day (use ALTER SYSTEM SET FIXED_DATE ) No command editing or buffer display in RMAN comparable to sqlplus; LIST command without summary clause can be copious, can be off the terminal buffer, so ...
with_SQL_Server_(SQL_Saturday_377_Version)
... collection of user databases, termed availability databases, that can fail over together. Unlike mirroring that is limited to a principal and a mirror database, availability groups support a set of read-write primary databases and up to four sets of secondary databases. Availability groups also enab ...
... collection of user databases, termed availability databases, that can fail over together. Unlike mirroring that is limited to a principal and a mirror database, availability groups support a set of read-write primary databases and up to four sets of secondary databases. Availability groups also enab ...
Answers to Chapters 7, 9 and 10
... system? The Magazine Publishing Company requires a distributed system with distributed database capabilities. The distributed system will be distributed among the company locations in South Carolina, Georgia, Florida, and Tennessee. The DDBMS must be able to support distributed transparency features ...
... system? The Magazine Publishing Company requires a distributed system with distributed database capabilities. The distributed system will be distributed among the company locations in South Carolina, Georgia, Florida, and Tennessee. The DDBMS must be able to support distributed transparency features ...
CS 245: Database System Principles
... Megatron 3000 • To execute “select A,B from R,S where condition”: (1) Read dictionary to get R,S attributes (2) Read R file, for each line: (a) Read S file, for each line: (i) Create join tuple ...
... Megatron 3000 • To execute “select A,B from R,S where condition”: (1) Read dictionary to get R,S attributes (2) Read R file, for each line: (a) Read S file, for each line: (i) Create join tuple ...
System design: addressing design goals
... declarations for each class and each association in the object model ...
... declarations for each class and each association in the object model ...
Document
... – Hierarchical organisation of data – The root of the hierarchy is a database instance – Data managed as XML Documents – Insert the data as XML and retrieve it as XML – Sets of documents form a Collection (similar idea as file system folder) – Queries with using standard XPath (Query engine built ar ...
... – Hierarchical organisation of data – The root of the hierarchy is a database instance – Data managed as XML Documents – Insert the data as XML and retrieve it as XML – Sets of documents form a Collection (similar idea as file system folder) – Queries with using standard XPath (Query engine built ar ...
Configuration Database Backup Guide
... authentication resources used by Ocularis (as of Ocularis v3.8). This SQL database for the Ocularis Base software should not be confused with the databases used to store live and recorded video and audio data. ...
... authentication resources used by Ocularis (as of Ocularis v3.8). This SQL database for the Ocularis Base software should not be confused with the databases used to store live and recorded video and audio data. ...
SQL (Almost End)
... And Now? • I still have only the result of SeattleView: SELECT buyer, seller, product, store FROM Person, Purchase, Product WHERE Person.city = ‘Seattle’ AND Person.per-name = Purchase.buyer AND Purchase.product = Product.name ...
... And Now? • I still have only the result of SeattleView: SELECT buyer, seller, product, store FROM Person, Purchase, Product WHERE Person.city = ‘Seattle’ AND Person.per-name = Purchase.buyer AND Purchase.product = Product.name ...
What Is JDBC?
... By default, connections are in autocommit mode. Use conn.setAutoCommit(false)to turn autocommit off. To control transactions when you are not in autocommit mode, use: – conn.commit(): Commit a transaction – conn.rollback(): Roll back a transaction ...
... By default, connections are in autocommit mode. Use conn.setAutoCommit(false)to turn autocommit off. To control transactions when you are not in autocommit mode, use: – conn.commit(): Commit a transaction – conn.rollback(): Roll back a transaction ...
Mapping RDF and RDF-Schema to the Entity Relationship Model
... (particularly a set intended for a specific purpose) as a vocabulary. URI refs are designed to be unique across the web and therefore reference a specific object. Each organization defines its own naming standards and context for the objects (e.g. products, people, etc.) it publishes on the web in R ...
... (particularly a set intended for a specific purpose) as a vocabulary. URI refs are designed to be unique across the web and therefore reference a specific object. Each organization defines its own naming standards and context for the objects (e.g. products, people, etc.) it publishes on the web in R ...
GIS Utilization at Padre Dam Municipal Water District
... Arc Spatial Database Engine (SDE) – An application designed to read spatial and attribute data from a SQL Server database. This is the optimal format for all current and future GIS data. The enterprise version allows unlimited users to view and edit data. ...
... Arc Spatial Database Engine (SDE) – An application designed to read spatial and attribute data from a SQL Server database. This is the optimal format for all current and future GIS data. The enterprise version allows unlimited users to view and edit data. ...
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.