Relational Database vs NoSQL
... physically. And also to have the ability to propagate that write operation to all the other locations where the distributed data is stored so that the user’s or machines in other locations can have access to that data. To implement such functionality in relational database architecture is very diffi ...
... physically. And also to have the ability to propagate that write operation to all the other locations where the distributed data is stored so that the user’s or machines in other locations can have access to that data. To implement such functionality in relational database architecture is very diffi ...
IOSR Journal of Computer Engineering (IOSR-JCE) PP 18-22 www.iosrjournals.org
... (meaning that general purpose control and computational structures are provided while relational databases typically do not have computationally complete programming capabilities although some stored procedure languages come close. Few points are mentioned for the comparison between OODBMS and RDBMS ...
... (meaning that general purpose control and computational structures are provided while relational databases typically do not have computationally complete programming capabilities although some stored procedure languages come close. Few points are mentioned for the comparison between OODBMS and RDBMS ...
Everything You Wanted to Know about RMAN
... Again, to cite Tim Gorman, if you want to do even one of these things then rman is the solution: 1. Increase the volume of the data you are backing up. 2. Increase the speed or decrease the duration of backups. 3 .Increase the speed or decrease the duration of restores and recoveries. 4. Prevent los ...
... Again, to cite Tim Gorman, if you want to do even one of these things then rman is the solution: 1. Increase the volume of the data you are backing up. 2. Increase the speed or decrease the duration of backups. 3 .Increase the speed or decrease the duration of restores and recoveries. 4. Prevent los ...
Query Execution
... Functional Dependencies (FD) ƒ An unique-value constraint in a relational schema design ƒ Keys of Relations –{A(1), ..., A(n)} is a key of relation R if no distinct tuples agree on all of the {...} no other subset of {} determines all other attributes of R, must be minimal ...
... Functional Dependencies (FD) ƒ An unique-value constraint in a relational schema design ƒ Keys of Relations –{A(1), ..., A(n)} is a key of relation R if no distinct tuples agree on all of the {...} no other subset of {} determines all other attributes of R, must be minimal ...
chap13
... – Attribute storage 1. Attribute storage and retrieval using the StreamWriter and StreamReader 2. Attribute storage and retrieval using databases ...
... – Attribute storage 1. Attribute storage and retrieval using the StreamWriter and StreamReader 2. Attribute storage and retrieval using databases ...
Entity Framework
... The DbContext class is generated by the Visual Studio designer DbContext provides: Methods for accessing entities (object sets) Methods for creating new entities (Add() methods) Ability to manipulate database data though entity classes ...
... The DbContext class is generated by the Visual Studio designer DbContext provides: Methods for accessing entities (object sets) Methods for creating new entities (Add() methods) Ability to manipulate database data though entity classes ...
How to Rebuild System Databases in SQL Server 2005
... rebuild process will start and will complete within 5 minutes. You can verify whether the databases are rebuild by navigating to folder containing the data and log files for the system databases. If you arrange them using modified date it will clearly show the time when it was last modified and it i ...
... rebuild process will start and will complete within 5 minutes. You can verify whether the databases are rebuild by navigating to folder containing the data and log files for the system databases. If you arrange them using modified date it will clearly show the time when it was last modified and it i ...
sampleaudit_1122
... on the planned ACTIVE data store that you wish to audit; 3) run your CREATE ACTIVE STANDBY PAIR command; 4) start the replication agent; 5) run the sql command “call ttRepStateSet(‘ACTIVE”); 6) Create the STANDBY server with ttRepAdmin –duplicate; 7) Run the auditTablesDDLauditDB.sql script in your ...
... on the planned ACTIVE data store that you wish to audit; 3) run your CREATE ACTIVE STANDBY PAIR command; 4) start the replication agent; 5) run the sql command “call ttRepStateSet(‘ACTIVE”); 6) Create the STANDBY server with ttRepAdmin –duplicate; 7) Run the auditTablesDDLauditDB.sql script in your ...
M359 Relational databases: theory and practice
... not changed the data which shows that Gerald has an unpaid bill. In fact it should be inconsistent to have unpaid bills and a good payment record, but this is permitted by the Notlaw database. A change to the poor payment flag should require a change to the related data so that the reconciliation ap ...
... not changed the data which shows that Gerald has an unpaid bill. In fact it should be inconsistent to have unpaid bills and a good payment record, but this is permitted by the Notlaw database. A change to the poor payment flag should require a change to the related data so that the reconciliation ap ...
02010_PPT_ch10
... – Does not require locking or time stamping techniques – Transaction is executed without restrictions until it is committed – Phases: read, validation, and write ...
... – Does not require locking or time stamping techniques – Transaction is executed without restrictions until it is committed – Phases: read, validation, and write ...
Ch 11:Databases - Content - Faculty Personal Homepage
... • Query needs information from more than one tables • All tables used must be properly related to each other (using PK\ FK links) • Example – Faculty information including their department name is needed ...
... • Query needs information from more than one tables • All tables used must be properly related to each other (using PK\ FK links) • Example – Faculty information including their department name is needed ...
Mining Positive and Negative Sequential Pattern in
... is increased almost linearly with the increasing of dataset size. So it can be said that our proposed algorithm has good scalable performance ...
... is increased almost linearly with the increasing of dataset size. So it can be said that our proposed algorithm has good scalable performance ...
sv-lncs - Microsoft
... Current file-oriented FEA systems represent schema metadata as structures (typically in “.h” files). There is no automatic connection between the files and the corresponding metadata. There are no good tools to evolve the file representation. When one wants to change something, one must change the “ ...
... Current file-oriented FEA systems represent schema metadata as structures (typically in “.h” files). There is no automatic connection between the files and the corresponding metadata. There are no good tools to evolve the file representation. When one wants to change something, one must change the “ ...
PostGIS Analysis Tool (PGAT)
... PGAT (PostGIS Analysis Tools). It is well-known that PostGIS is a spatial extension to PostgreSQL that follows the Open Geospatial Consortium (OGC) guidelines. PostGIS is a great product but sometimes it is difficult to manage for either a Cartographer or a GIS expertise due to the complex and large ...
... PGAT (PostGIS Analysis Tools). It is well-known that PostGIS is a spatial extension to PostgreSQL that follows the Open Geospatial Consortium (OGC) guidelines. PostGIS is a great product but sometimes it is difficult to manage for either a Cartographer or a GIS expertise due to the complex and large ...
Delegates and Events
... Data Source :Identifies the server. Could be local machine, machine domain name, or IP Address. Initial Catalog :Database name. Integrated Security :Set to SSPI to make connection with user's Windows login User ID :Name of user configured in SQL Server. ...
... Data Source :Identifies the server. Could be local machine, machine domain name, or IP Address. Initial Catalog :Database name. Integrated Security :Set to SSPI to make connection with user's Windows login User ID :Name of user configured in SQL Server. ...
slides - CIS @ Temple University
... Database System Concepts, 6th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
... Database System Concepts, 6th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
Hadoop vs. Parallel Databases
... MapReduce vs. Parallel Databases • [Pavlo et al., SIGMOD 2009] compared the performance of Hadoop against Vertica and a Parallel DBMS! o http://database.cs.brown.edu/projects/mapreduce-vs-dbms/! ...
... MapReduce vs. Parallel Databases • [Pavlo et al., SIGMOD 2009] compared the performance of Hadoop against Vertica and a Parallel DBMS! o http://database.cs.brown.edu/projects/mapreduce-vs-dbms/! ...
CS221 Lecture: Java Database Connectivity (JDBC) revised 10/20/14 Materials:
... boolean - true if there was a row to advance to, false if there was not. (Thus, one can determine when one has seen all the results.) An important point to note is that next() must be called once to get to the first row of the results - failure at this point would indicate an empty result set. 2. In ...
... boolean - true if there was a row to advance to, false if there was not. (Thus, one can determine when one has seen all the results.) An important point to note is that next() must be called once to get to the first row of the results - failure at this point would indicate an empty result set. 2. In ...
the magic number 5
... In client-server era not many people could have imagined the cloud, and now, in the cloud era, it’s hard to see exactly what’s coming next. But with all devices becoming “smart”, via sensors and network connections, it’s clear we’re headed for connectivity at a massive global scale – not just betwee ...
... In client-server era not many people could have imagined the cloud, and now, in the cloud era, it’s hard to see exactly what’s coming next. But with all devices becoming “smart”, via sensors and network connections, it’s clear we’re headed for connectivity at a massive global scale – not just betwee ...
Lab 1 Introduction to SQL Tools and Data Defination Language
... In the relational model, a table shall not contain duplicate rows, because that would create ambiguity in retrieval. To ensure uniqueness, each table should have a column (or a set of columns), called primary key,that uniquely identifies every record of the table. For example, a unique number custom ...
... In the relational model, a table shall not contain duplicate rows, because that would create ambiguity in retrieval. To ensure uniqueness, each table should have a column (or a set of columns), called primary key,that uniquely identifies every record of the table. For example, a unique number custom ...
Oracle Recovery Manager
... Unified storage location for all recovery files and recovery related activities in an Oracle Database. – Centralized location for control files, online redo logs, archive logs, flashback logs, backups – A flash recovery area can be defined as a directory, file system, or ASM disk group – A single re ...
... Unified storage location for all recovery files and recovery related activities in an Oracle Database. – Centralized location for control files, online redo logs, archive logs, flashback logs, backups – A flash recovery area can be defined as a directory, file system, or ASM disk group – A single re ...
Data Modeling
... structure called a normal form Normalize user views Integrate set of entities from normalization into one description Normalization – process of creating simple data structures from more complex ones © 2005 Pearson Prentice-Hall ...
... structure called a normal form Normalize user views Integrate set of entities from normalization into one description Normalization – process of creating simple data structures from more complex ones © 2005 Pearson Prentice-Hall ...