No Slide Title
... • Simply CREATE TABLE if it is not in hierarchy • Create Hierarchy of ROW TYPE instances if it is • For simple has_a relationships, extend the dependent table with additional column for the first table’s primary key column. • For multi-variant has_a relationships, create a table with one column per ...
... • Simply CREATE TABLE if it is not in hierarchy • Create Hierarchy of ROW TYPE instances if it is • For simple has_a relationships, extend the dependent table with additional column for the first table’s primary key column. • For multi-variant has_a relationships, create a table with one column per ...
Relation
... The USA_phone_numbers may have a format: (ddd)ddd-dddd where each d is a decimal digit. ...
... The USA_phone_numbers may have a format: (ddd)ddd-dddd where each d is a decimal digit. ...
Database Toolbox User`s Guide
... The Database Toolbox connects MATLAB to a database using MATLAB functions. Data is retrieved from the database as a string, parsed into the correct data types, and stored in a MATLAB cell array. At that point, you use MATLAB’s extensive set of tools to work with the data. You can include Database To ...
... The Database Toolbox connects MATLAB to a database using MATLAB functions. Data is retrieved from the database as a string, parsed into the correct data types, and stored in a MATLAB cell array. At that point, you use MATLAB’s extensive set of tools to work with the data. You can include Database To ...
PatMan: A Visual Database System to Manipulate Path Patterns and
... The PQBE module helps the user posing queries in PatManQL. The visual interface provided offers Pictorial-Query-by-Example capabilities, and, thus, minimizes user errors coming from queries that do not conform to the schema of a TSR, or lack certain attributes from the resource items used, etc. The u ...
... The PQBE module helps the user posing queries in PatManQL. The visual interface provided offers Pictorial-Query-by-Example capabilities, and, thus, minimizes user errors coming from queries that do not conform to the schema of a TSR, or lack certain attributes from the resource items used, etc. The u ...
RMAN in the Trenches: Part II
... must use a recovery catalog when backing up a standby database." -- another benefit of catalog "When using Flashback Database with a target time at which a NOLOGGING operation was in progress, block corruption is likely in the database objects and datafiles affected by the NOLOGGING operation." ...
... must use a recovery catalog when backing up a standby database." -- another benefit of catalog "When using Flashback Database with a target time at which a NOLOGGING operation was in progress, block corruption is likely in the database objects and datafiles affected by the NOLOGGING operation." ...
Database Architectures for New Hardware
... Provides only hard counts, analysis must be done by user or tools Made specifically for each processor even processor families may have different interfaces Vendors don’t like to support because is not profit contributor ...
... Provides only hard counts, analysis must be done by user or tools Made specifically for each processor even processor families may have different interfaces Vendors don’t like to support because is not profit contributor ...
mobile computing and databases
... Sybase (cont’d) - SQL Remote Two way replication based on Consolidat message passing. ed DB Remote database are synchronized with consolidated DB Message Agent required at DB server Replication of subscribed fragments Remote Databases Periodic changes sent from consolidated DB to remote DBs U ...
... Sybase (cont’d) - SQL Remote Two way replication based on Consolidat message passing. ed DB Remote database are synchronized with consolidated DB Message Agent required at DB server Replication of subscribed fragments Remote Databases Periodic changes sent from consolidated DB to remote DBs U ...
What is a Database System?
... X is the set of attributes of the projection Y is the remaining set of attributes let the tuple to be inserted be (x); let the default value for Y be (y); if a default value does not exist the insertion cannot be performed; if the tuple (x, y) satisfies PA (where A is the original relation) th ...
... X is the set of attributes of the projection Y is the remaining set of attributes let the tuple to be inserted be (x); let the default value for Y be (y); if a default value does not exist the insertion cannot be performed; if the tuple (x, y) satisfies PA (where A is the original relation) th ...
Generic Database Mapping in Clean
... – May be used for the database operations – But needs an explicit relation ...
... – May be used for the database operations – But needs an explicit relation ...
CSCE 790 – Secure Database Systems
... Programs may access resources for which the user who runs the program does not have permission. ...
... Programs may access resources for which the user who runs the program does not have permission. ...
Coupling Logic Programming with Relational Databases
... are returned as a solution. Relational databases can also be considered as a simpler First Order Logic model [23]. The axiomatic knowledge is now only represented extensionally in the form of database relations and the theorems to be proved correspond to (SQL) queries. There are two main differences ...
... are returned as a solution. Relational databases can also be considered as a simpler First Order Logic model [23]. The axiomatic knowledge is now only represented extensionally in the form of database relations and the theorems to be proved correspond to (SQL) queries. There are two main differences ...
Transactional Replication Performance Tuning and Optimization
... This option is recommended when you are using a pull or remote push Subscriber. It also provides additional benefits when you are using FTP support. Compressing snapshot files in the alternate snapshot folder can reduce snapshot disk storage requirements, and in some cases it can significantly impro ...
... This option is recommended when you are using a pull or remote push Subscriber. It also provides additional benefits when you are using FTP support. Compressing snapshot files in the alternate snapshot folder can reduce snapshot disk storage requirements, and in some cases it can significantly impro ...
Introduction to Database Systems
... – Association rules with multiple, alternative hierarchies: ...
... – Association rules with multiple, alternative hierarchies: ...
Database Isolation Levels
... count has to decrease in dealership A and increase in dealership B. Both actions must take place; if one occurs and another does not, the data becomes inaccurate— data inconsistency occurs. Data inconsistency can occur due to several factors: 1. Data is accessed/updated by multiple users at the same ...
... count has to decrease in dealership A and increase in dealership B. Both actions must take place; if one occurs and another does not, the data becomes inaccurate— data inconsistency occurs. Data inconsistency can occur due to several factors: 1. Data is accessed/updated by multiple users at the same ...
Distributed Computing
... – GSI (Grid Security Infrastructure), to provide authentication of the user and work out that person's access rights; – MDS (Monitoring and Discovery Service), to collect information about resource (processing capacity, bandwidth capacity, type of storage, etc); – GRIS (Grid Resource Information Ser ...
... – GSI (Grid Security Infrastructure), to provide authentication of the user and work out that person's access rights; – MDS (Monitoring and Discovery Service), to collect information about resource (processing capacity, bandwidth capacity, type of storage, etc); – GRIS (Grid Resource Information Ser ...
an exploration of - SJSU Engineering
... The alternative to using middleware components to retrieve or store XML in a database is to use an XML-enabled database that understands how to convert relational data to XML and back. Currently, the Big 3 relational database products all support retrieving and storing XML in one form or another. IB ...
... The alternative to using middleware components to retrieve or store XML in a database is to use an XML-enabled database that understands how to convert relational data to XML and back. Currently, the Big 3 relational database products all support retrieving and storing XML in one form or another. IB ...
An Adaptive Probe-Based Technique to Optimize Join Queries in Distributed Internet Databases
... for organizations consisting of a number of almost independent sub-organizations such as a University with many departments or a bank with many branches. The idea is to partition data across multiple geographically or administratively distributed sites where each site runs an almost autonomous data ...
... for organizations consisting of a number of almost independent sub-organizations such as a University with many departments or a bank with many branches. The idea is to partition data across multiple geographically or administratively distributed sites where each site runs an almost autonomous data ...
ORACLE DBA HANDBOOK
... holding blocks from data files that have been read recently. Before a user can look at a piece of information in an Oracle database, it must first reside in the database buffer cache. Data gets into this cache based upon the Most Recently Used algorithm. Because the most recently and most frequently ...
... holding blocks from data files that have been read recently. Before a user can look at a piece of information in an Oracle database, it must first reside in the database buffer cache. Data gets into this cache based upon the Most Recently Used algorithm. Because the most recently and most frequently ...
Relational Database Management Systems and SQL
... details of storage may be different from our concept of them. The database management system, not the operating system, controls the internal structure of both the data files and the indexes. The user is generally unaware of what indexes exist, and has no control over which index will be used in loc ...
... details of storage may be different from our concept of them. The database management system, not the operating system, controls the internal structure of both the data files and the indexes. The user is generally unaware of what indexes exist, and has no control over which index will be used in loc ...
1.1 What is a Database?
... In a flat-file database, different types of information are not broken out into separate tables but are included in one table. The same data might (and generally does) appear in multiple records in the table. For example, a customer’s full name and address might be stored in many records of an Order ...
... In a flat-file database, different types of information are not broken out into separate tables but are included in one table. The same data might (and generally does) appear in multiple records in the table. For example, a customer’s full name and address might be stored in many records of an Order ...
