B - Homework Market
... • Transactions that have written their commit entry in the log must also have recorded all their write operations in the log. Why? • Suppose a transaction has been issued a commit, but its operations have not been carried out, and the system crashes. What to do? • We need to redo the ops. What infor ...
... • Transactions that have written their commit entry in the log must also have recorded all their write operations in the log. Why? • Suppose a transaction has been issued a commit, but its operations have not been carried out, and the system crashes. What to do? • We need to redo the ops. What infor ...
Executable Platform Independent Models for Data Intensive
... • OCL expressions cannot refer to any of UML actions. This may be unimportant if OCL is only used simply as expression and query language, but may become critical if one would like to use do meta-programming and analyze UML behavioural models during query execution. 2.3 Limitations of Textual Progra ...
... • OCL expressions cannot refer to any of UML actions. This may be unimportant if OCL is only used simply as expression and query language, but may become critical if one would like to use do meta-programming and analyze UML behavioural models during query execution. 2.3 Limitations of Textual Progra ...
Weak Entity Sets
... for each component attribute E.g. given entity set customer with composite attribute name with component attributes first-name and last-name the table corresponding to the entity set has two attributes name.first-name and name.last-name A multivalued attribute M of an entity E is represented b ...
... for each component attribute E.g. given entity set customer with composite attribute name with component attributes first-name and last-name the table corresponding to the entity set has two attributes name.first-name and name.last-name A multivalued attribute M of an entity E is represented b ...
php
... not have to tell PHP which data type the variable is. PHP automatically converts the variable to the correct data type, depending on how they are set. In a strongly typed programming language, you have to declare (define) the type and name of the variable before using it. In PHP the variable is decl ...
... not have to tell PHP which data type the variable is. PHP automatically converts the variable to the correct data type, depending on how they are set. In a strongly typed programming language, you have to declare (define) the type and name of the variable before using it. In PHP the variable is decl ...
CAMINAR Catchment Management and Mining Impacts in Arid and
... both geographic and non-geographical data. The present version of the GIS environment database is the cumulated work of the teams from Workpackages 2-4, responsible for the data collection, and of the team from Workpackage 6 responsible for the definition and implementation of the necessary procedur ...
... both geographic and non-geographical data. The present version of the GIS environment database is the cumulated work of the teams from Workpackages 2-4, responsible for the data collection, and of the team from Workpackage 6 responsible for the definition and implementation of the necessary procedur ...
Introduction to JDBC Programming
... relational databases from Java. The JDBC classes and interfaces are in the java.sql package. JDBC 1.22 is part of JDK 1.1; JDBC 2.0 is part of Java 2 ...
... relational databases from Java. The JDBC classes and interfaces are in the java.sql package. JDBC 1.22 is part of JDK 1.1; JDBC 2.0 is part of Java 2 ...
MOBILE PHONE APPLICATION FOR ONLINE CONTACT SYNCHRONISA- TION Moyosade Jacob
... which is a backup of phone or SIM contacts to the server in case of phone lost or SIM damaged. Contact phone numbers corresponding to their names are stored in the remote server. The application was designed and implemented and it met all the requirement set for it. The application side was develope ...
... which is a backup of phone or SIM contacts to the server in case of phone lost or SIM damaged. Contact phone numbers corresponding to their names are stored in the remote server. The application was designed and implemented and it met all the requirement set for it. The application side was develope ...
chapter 1 - Sacramento - California State University
... to all its clients, making the database available to more users than shared- file DBMS. Separating client from server increases the range of client types. Client can be written in any programming language such as C, C++, or Java or web based applications can be developed using PHP and JSP. MySQL has ...
... to all its clients, making the database available to more users than shared- file DBMS. Separating client from server increases the range of client types. Client can be written in any programming language such as C, C++, or Java or web based applications can be developed using PHP and JSP. MySQL has ...
Recovering SQL Server Databases
... DPM expands the basic data protection capabilities included in SQL Server by adding the ability to provide protection for selected databases with more granular control over your recovery time objective (RTO) and recovery point objective (RPO). Using only the tools provided with Windows Server and SQ ...
... DPM expands the basic data protection capabilities included in SQL Server by adding the ability to provide protection for selected databases with more granular control over your recovery time objective (RTO) and recovery point objective (RPO). Using only the tools provided with Windows Server and SQ ...
Semantic Database Presentation - Florida International University
... Commercial Relational DBMS (e.g. Microsoft Access, Microsoft SQL Server, Oracle, ... ) ...
... Commercial Relational DBMS (e.g. Microsoft Access, Microsoft SQL Server, Oracle, ... ) ...
Thesis Template - People - Kansas State University
... The motivation for this report stems from the increasing demand for data ...
... The motivation for this report stems from the increasing demand for data ...
Temporal Databases
... • Temporal data: encoded representation of timestamped facts. – Each tuple must include at least one timestamp. – Problem:What about queries that produce results that are not temporal? i.e. result of query is outside the domain of (temporal) database. – eg. Get names of all people who have supplied ...
... • Temporal data: encoded representation of timestamped facts. – Each tuple must include at least one timestamp. – Problem:What about queries that produce results that are not temporal? i.e. result of query is outside the domain of (temporal) database. – eg. Get names of all people who have supplied ...
Data Acceleration: Architecture for the Modern Data
... Cache clusters perform caching operations on a large scale. Traditionally they accommodate simple operations such as reading and writing values. Often they are populated when a query is sent from a data consumer to a data source. The results from the data source are then stored in the cache cluster. ...
... Cache clusters perform caching operations on a large scale. Traditionally they accommodate simple operations such as reading and writing values. Often they are populated when a query is sent from a data consumer to a data source. The results from the data source are then stored in the cache cluster. ...
11g Partitioning – New Features and Information Lifecycle
... Tablespace Copy followed by “rename” ...
... Tablespace Copy followed by “rename” ...
Oracle Business Intelligence Standard Edition One
... Magic Quadrant Disclaimer: The Magic Quadrant is copyrighted by Gartner, Inc. and is reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner's analysis of how certain vendors measure against criteria for that mar ...
... Magic Quadrant Disclaimer: The Magic Quadrant is copyrighted by Gartner, Inc. and is reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner's analysis of how certain vendors measure against criteria for that mar ...
Resource Bricolage for Parallel Database Systems
... how to partition data across them to minimize workload execution time. To do this, we quantify differences among machines by using the query optimizer and a set of profiling queries that estimate the machines’ performance parameters. We then formalize the problem of minimizing workload execution tim ...
... how to partition data across them to minimize workload execution time. To do this, we quantify differences among machines by using the query optimizer and a set of profiling queries that estimate the machines’ performance parameters. We then formalize the problem of minimizing workload execution tim ...
Chapter 1 - Faculty Website Directory
... Skills for Success with Microsoft® Office 2007 Access, Chapter 1 Working with Database Management Systems ...
... Skills for Success with Microsoft® Office 2007 Access, Chapter 1 Working with Database Management Systems ...
SQL Data Definition Language
... SQL Server Commentary • The on is used to specify a file where the database is to be stored – Must be used for the first create – Once file exists other databases may be ...
... SQL Server Commentary • The on is used to specify a file where the database is to be stored – Must be used for the first create – Once file exists other databases may be ...
The SAS System and DB2: Making the Connection
... Back in the early days of computers, data lived with programs. Remember cards? And CARDS;? You took your program and your data, in the form of a stack of punched cards, over to the computation center, handed it to the guy behind the counter and waited -- maybe a day or two -- for your output, hoping ...
... Back in the early days of computers, data lived with programs. Remember cards? And CARDS;? You took your program and your data, in the form of a stack of punched cards, over to the computation center, handed it to the guy behind the counter and waited -- maybe a day or two -- for your output, hoping ...
Fall seven times, stand up eight. PL/SQL 1. What is PL/SQL ? PL
... SQL*PLUS is a command line tool where as SQL and PL/SQL language interface and reporting tool. Its a command line tool that allows user to type SQL commands to be executed directly against an Oracle database. SQL is a language used to query the relational database(DML,DCL,DDL). SQL*PLUS commands are ...
... SQL*PLUS is a command line tool where as SQL and PL/SQL language interface and reporting tool. Its a command line tool that allows user to type SQL commands to be executed directly against an Oracle database. SQL is a language used to query the relational database(DML,DCL,DDL). SQL*PLUS commands are ...
Aspects of Database Query Evaluation
... Input: Boolean acyclic conjunctive query Q, database D 1. Construct a join tree T of Q 2. Populate the nodes of T with the matching relations of D. 3. Traverse the tree T bottom up: For each node Rk(zk), compute the semi-joins of the (current) relation in the node Rk(zk) with the (current) relations ...
... Input: Boolean acyclic conjunctive query Q, database D 1. Construct a join tree T of Q 2. Populate the nodes of T with the matching relations of D. 3. Traverse the tree T bottom up: For each node Rk(zk), compute the semi-joins of the (current) relation in the node Rk(zk) with the (current) relations ...
Windows Server Installation Guide
... Note: When installing a new version of the LAE software, do not upgrade an existing installation. This will cause your previous installation to be uninstalled and could potentially cause the loss of data. Always perform a fresh installation and then copy over your data. To install the LAE Server on ...
... Note: When installing a new version of the LAE software, do not upgrade an existing installation. This will cause your previous installation to be uninstalled and could potentially cause the loss of data. Always perform a fresh installation and then copy over your data. To install the LAE Server on ...
Using Data Definition Language (DDL)
... Now we return to aggregate functions. Remember we used the SUM keyword to calculate the total sales for all stores. If we want to calculate the total sales for each store, we need to do two things: First, we make sure we select the store name as well as total sales. Second, we make sure all the sale ...
... Now we return to aggregate functions. Remember we used the SUM keyword to calculate the total sales for all stores. If we want to calculate the total sales for each store, we need to do two things: First, we make sure we select the store name as well as total sales. Second, we make sure all the sale ...
Advanced Database Techniques 2010
... • Query benchmark suite aimed at performance of – Selec7on with different selec7vity values – Projec7on with different percentage of duplicates – Single and mul7ple joins – Simple aggregates and aggregate func7ons ...
... • Query benchmark suite aimed at performance of – Selec7on with different selec7vity values – Projec7on with different percentage of duplicates – Single and mul7ple joins – Simple aggregates and aggregate func7ons ...
Distributed Database Management Systems © 1994 M. Tamer Özsu
... Integrated data control by the server (black box) Increased performance by dedicated system Can better exploit parallelism Fits well in distributed environments ...
... Integrated data control by the server (black box) Increased performance by dedicated system Can better exploit parallelism Fits well in distributed environments ...