ADO. NET - University of Bridgeport
... A Dataset is a disconnected object that can potentially contain all or part of the database including tables, constraints and their relationships. Thus for using databases in web applications, Dataset can provide a much higher performance for mostly readonly type of data. The DataSet class can furth ...
... A Dataset is a disconnected object that can potentially contain all or part of the database including tables, constraints and their relationships. Thus for using databases in web applications, Dataset can provide a much higher performance for mostly readonly type of data. The DataSet class can furth ...
Document
... • select * from table where ColA = 2; • select * from table where ColA <> 2; • select * from table where ColA is null; • select * from table where ColA is not null; ...
... • select * from table where ColA = 2; • select * from table where ColA <> 2; • select * from table where ColA is null; • select * from table where ColA is not null; ...
How to Build a High-Performance Data Warehouse
... cluster needs to access a disk page, it: 1) First checks to see if the page is in its local buffer pool (“cache”) 2) If not, checks to see if the page is in the cache of any other node in the cluster 3) If not, reads the page from disk Such a cache appears to work fairly well on OLTP, but has big pr ...
... cluster needs to access a disk page, it: 1) First checks to see if the page is in its local buffer pool (“cache”) 2) If not, checks to see if the page is in the cache of any other node in the cluster 3) If not, reads the page from disk Such a cache appears to work fairly well on OLTP, but has big pr ...
CIST Staff Meeting Agenda & Minutes May16th, 2007
... in its native format. Copyright © 2007 - CIST ...
... in its native format. Copyright © 2007 - CIST ...
BCS THE CHARTERED INSTITUTE FOR IT ADVANCED DATABASE MANAGEMENT SYSTEMS
... Cascaded rollback - when transaction T1 fails and induces a rollback which in turn causes other transactions - which were dependent on the success of T1 – to likewise fail and be rolled back. Optimistic locking – based on the assumption that inter-transaction conflict is rare so individual transacti ...
... Cascaded rollback - when transaction T1 fails and induces a rollback which in turn causes other transactions - which were dependent on the success of T1 – to likewise fail and be rolled back. Optimistic locking – based on the assumption that inter-transaction conflict is rare so individual transacti ...
Introduction to Data Base Management System
... collection of related data (such as a spreadsheet or a card index). This article is concerned only with databases where the size and usage requirements necessitate use of a database management system.[2] Existing DBMSs provide various functions that allow management of a database and its data which ...
... collection of related data (such as a spreadsheet or a card index). This article is concerned only with databases where the size and usage requirements necessitate use of a database management system.[2] Existing DBMSs provide various functions that allow management of a database and its data which ...
IS 331 Database Design, Management and Applications Fall 2015
... backbone for many “hot” technologies such as ERP, CRM, Web-based systems, Dashboard & Scorecard, and Data Warehouses. Since database plays such a crucial role in business operations of any modern organizations, an IS professional must understand how to plan, design, implement and manage database sys ...
... backbone for many “hot” technologies such as ERP, CRM, Web-based systems, Dashboard & Scorecard, and Data Warehouses. Since database plays such a crucial role in business operations of any modern organizations, an IS professional must understand how to plan, design, implement and manage database sys ...
A Fast and Simple Method for Maintaining Staleness of Database Menda.Sravani ,Chanti.Suragala
... amount of database, there are so many problems of updating of the database. When any transaction done on the database it takes more amore amount of time to update. During updating of the database if any other transaction process the it makes collisions of the data. It results duplication of the data ...
... amount of database, there are so many problems of updating of the database. When any transaction done on the database it takes more amore amount of time to update. During updating of the database if any other transaction process the it makes collisions of the data. It results duplication of the data ...
PowerPoint Template
... • There are common computations requested on attributes such as counting, summing, averaging, sorting, grouping, cross-referencing, etc. Rather than have each computer application implement these from scratch, they can rely on the DBMS to supply such calculations ...
... • There are common computations requested on attributes such as counting, summing, averaging, sorting, grouping, cross-referencing, etc. Rather than have each computer application implement these from scratch, they can rely on the DBMS to supply such calculations ...
DBA421
... Run DBCC ShowContig and look for Scan Density(logical extent density) and Avg Page Density(Avg free bytes/page). Below 30-50% then a Reorg is recommended. Run Index Defrag if your data in not interleaved (that is single table/index in its own File Group). Run DBCC Reindex if you want all clustered a ...
... Run DBCC ShowContig and look for Scan Density(logical extent density) and Avg Page Density(Avg free bytes/page). Below 30-50% then a Reorg is recommended. Run Index Defrag if your data in not interleaved (that is single table/index in its own File Group). Run DBCC Reindex if you want all clustered a ...
Exam 2
... ______ A view is classified as part of the external schema and is an acceptable way to offer simpler tables with customized attribute names to the user. _______A view is referred to like other tables in a SELECT. ______ Besides a shorthand reference to the table throughout the query, using an alias ...
... ______ A view is classified as part of the external schema and is an acceptable way to offer simpler tables with customized attribute names to the user. _______A view is referred to like other tables in a SELECT. ______ Besides a shorthand reference to the table throughout the query, using an alias ...
E3_alumni_database
... These alumni have address and other information about their employer or graduate school. The students are in contact with the Department, and sometimes make monetary contribution. Make a relational database to allow the department to manage their alumni data. The draft design for the Alumni database ...
... These alumni have address and other information about their employer or graduate school. The students are in contact with the Department, and sometimes make monetary contribution. Make a relational database to allow the department to manage their alumni data. The draft design for the Alumni database ...
Document
... • A filter is a tool that lets you view records that match a given criterion. • Filters are helpful when searching for certain types of information in a large database with many records. • A form can work with a filter, but enables you to view information about a single record. ...
... • A filter is a tool that lets you view records that match a given criterion. • Filters are helpful when searching for certain types of information in a large database with many records. • A form can work with a filter, but enables you to view information about a single record. ...
Unix System Admin
... • Before you attempt to restore a backup to a database that is still functioning, be sure to restrict user access to it. • Disk is intact, software error/smartboy caused damage – disk containing a data file failed, – SQL Server 2000 installation failed – recover data to an earlier point in time. ...
... • Before you attempt to restore a backup to a database that is still functioning, be sure to restrict user access to it. • Disk is intact, software error/smartboy caused damage – disk containing a data file failed, – SQL Server 2000 installation failed – recover data to an earlier point in time. ...
Download-6 PHYSICALDBtcss545A_9
... index will be a primary index; otherwise, index will be a clustering index. • Each relation can only have either a primary index or a clustering index. • Secondary indexes provide a mechanism for specifying an additional key for a base relation that can be used to retrieve data more efficiently. ...
... index will be a primary index; otherwise, index will be a clustering index. • Each relation can only have either a primary index or a clustering index. • Secondary indexes provide a mechanism for specifying an additional key for a base relation that can be used to retrieve data more efficiently. ...
Document
... It is not a new model. It is based on relational model. The data are stored on several computers that communicate through the Internet or some private WAN. Data are either fragmented, with each fragment stored at one site, or data are replicated at each site. Fragmented ...
... It is not a new model. It is based on relational model. The data are stored on several computers that communicate through the Internet or some private WAN. Data are either fragmented, with each fragment stored at one site, or data are replicated at each site. Fragmented ...
File Organization
... 2. Ordered technique: maintain an order on some attribute So, we can use binary search if selection on this attribute. ...
... 2. Ordered technique: maintain an order on some attribute So, we can use binary search if selection on this attribute. ...
CIS 201 Chapter 12 Review Test
... a. Not in any valid normal form b. In First Normal Form c. In First and Second Normal Form d. In First, Second and Third Normal Form ____ database server architecture is the simplest to build and operate if sufficient network capacity is already available for database access. a. single b. replicated ...
... a. Not in any valid normal form b. In First Normal Form c. In First and Second Normal Form d. In First, Second and Third Normal Form ____ database server architecture is the simplest to build and operate if sufficient network capacity is already available for database access. a. single b. replicated ...
data definition language - Department of Computer Science
... » Refers to the data in the database at a particular moment in time » Many database instances can correspond to a particular schema » Every time we insert, delete, update the value of a data item, we change one instance of database to another » DBMS is partially responsible for ensuring that every i ...
... » Refers to the data in the database at a particular moment in time » Many database instances can correspond to a particular schema » Every time we insert, delete, update the value of a data item, we change one instance of database to another » DBMS is partially responsible for ensuring that every i ...
PE-I_ADS_syllabus
... 1. Apply the basic concept of parallel database to conventional databases 2. Evaluate the different modes of parallelism 3. Design the parallel database system Module 4 1. Understand the different application architectures 2. Design and deploy the enterprise application 3. Evaluate the performance o ...
... 1. Apply the basic concept of parallel database to conventional databases 2. Evaluate the different modes of parallelism 3. Design the parallel database system Module 4 1. Understand the different application architectures 2. Design and deploy the enterprise application 3. Evaluate the performance o ...
Raima RDM Workgroup database selected for
... "ETM needed a product with the performance to handle bigger amounts of data with an increased data throughput rate", explains Steinar Sande, CEO of Raima "RDM Workgroup also provided the necessary platform independence by supporting Windows, Linux and Solaris." Raima Database Manager (RDM) is optimi ...
... "ETM needed a product with the performance to handle bigger amounts of data with an increased data throughput rate", explains Steinar Sande, CEO of Raima "RDM Workgroup also provided the necessary platform independence by supporting Windows, Linux and Solaris." Raima Database Manager (RDM) is optimi ...