Week 6
... Created by the ADO Data control at run-time based on the CommandType property (e.g. adCmdTable) If the Recordset object contains no records, the BOF and EOF properties are set to True, and the Recordset object's RecordCount property setting is 0 Any MOVE action will generate an error - so use t ...
... Created by the ADO Data control at run-time based on the CommandType property (e.g. adCmdTable) If the Recordset object contains no records, the BOF and EOF properties are set to True, and the Recordset object's RecordCount property setting is 0 Any MOVE action will generate an error - so use t ...
powerpoint
... • Management is able to easily find out – For a particular customer • What kind of business • How much business ...
... • Management is able to easily find out – For a particular customer • What kind of business • How much business ...
Managing Data Resources
... – Coupling of stored data and programs which update and maintain those data • Traditional program need to specify location and nature of data ...
... – Coupling of stored data and programs which update and maintain those data • Traditional program need to specify location and nature of data ...
CUSTOMER_CODE SMUDE DIVISION_CODE SMUDE
... Describe the transaction processing concepts. A transaction is an atomic unit comprising one or more SQL statements. A transaction begins with the first executable statement and ends when it is committed or rolled back. Single user versus multiuser systems – A DBMS is used if at most one user can us ...
... Describe the transaction processing concepts. A transaction is an atomic unit comprising one or more SQL statements. A transaction begins with the first executable statement and ends when it is committed or rolled back. Single user versus multiuser systems – A DBMS is used if at most one user can us ...
Relational Processing of Tape Databases
... Index File on Disk if Data is Segmented For segmented files, keep an index file on disk that shows which tape files have which records on them. For example, states 1,2 and 3 might be on tape 1. Tapes 2 and 3 might contain data for state 4. The directory would contain all of this information so your ...
... Index File on Disk if Data is Segmented For segmented files, keep an index file on disk that shows which tape files have which records on them. For example, states 1,2 and 3 might be on tape 1. Tapes 2 and 3 might contain data for state 4. The directory would contain all of this information so your ...
Lecture 2
... Relational models uses a collection of tables to represent both data and relationships among those data ...
... Relational models uses a collection of tables to represent both data and relationships among those data ...
MapReduce and Relational Database Management Systems
... powerful choice for the storage of information in new databases because they are easier to understand and use. What makes it powerful, is that it is based on relation between data; because the possibility of viewing the database in many different ways since the RDBMS require few assumptions about ho ...
... powerful choice for the storage of information in new databases because they are easier to understand and use. What makes it powerful, is that it is based on relation between data; because the possibility of viewing the database in many different ways since the RDBMS require few assumptions about ho ...
CICT1513 Chapter 9
... model is based on a collection of basic objects, called entities, and of relationships among these objects. An entity is a “thing” or “object” in the real world that is distinguishable from other objects. For example, each person is an entity, and bank accounts can be considered entities. Entities a ...
... model is based on a collection of basic objects, called entities, and of relationships among these objects. An entity is a “thing” or “object” in the real world that is distinguishable from other objects. For example, each person is an entity, and bank accounts can be considered entities. Entities a ...
Building an Effective Data Warehouse Architecture
... Optimized for read access, sequential disk scans Integrate many sources of data Keep historical records (no need to save hardcopy reports) Restructure/rename tables and fields Use Master Data Management, including hierarchies No IT involvement needed for users to create reports Improve data qu ...
... Optimized for read access, sequential disk scans Integrate many sources of data Keep historical records (no need to save hardcopy reports) Restructure/rename tables and fields Use Master Data Management, including hierarchies No IT involvement needed for users to create reports Improve data qu ...
chays.frankl.issta00.pdf
... which views the data as a collection of relations [10]. Relations are often thought of as tables in which each row represents data about a particular entity and each column represents a particular aspect of that data. A relation schema R(A1 ; : : : ; An ) is a relation name (table name) along with a ...
... which views the data as a collection of relations [10]. Relations are often thought of as tables in which each row represents data about a particular entity and each column represents a particular aspect of that data. A relation schema R(A1 ; : : : ; An ) is a relation name (table name) along with a ...
Data Management – Data Structures and Models Part 3
... Data Management – Topological Overlays • Points, lines and polygons all may be overlayed or combined (previous slides) • When polygons are overlayed, many new and smaller polygons are created – some of which may not represent true spatial variations • These are spurious polygons or sliver polygons a ...
... Data Management – Topological Overlays • Points, lines and polygons all may be overlayed or combined (previous slides) • When polygons are overlayed, many new and smaller polygons are created – some of which may not represent true spatial variations • These are spurious polygons or sliver polygons a ...
CIS560-Lecture-01-20070116 - KDD
... A database consists of multiple relations Information about an enterprise is broken up into parts, with each relation storing one part of the information account : stores information about accounts depositor : stores information about which customer owns which account customer : stores informati ...
... A database consists of multiple relations Information about an enterprise is broken up into parts, with each relation storing one part of the information account : stores information about accounts depositor : stores information about which customer owns which account customer : stores informati ...
Abnormal Normalization
... database design design, rather than over-normalization. Need for performance limits transactional database design While Data Modeling offers the scope of designing a database that can incorporate features for future use, most designers are compelled, by the costs of development and the need to achie ...
... database design design, rather than over-normalization. Need for performance limits transactional database design While Data Modeling offers the scope of designing a database that can incorporate features for future use, most designers are compelled, by the costs of development and the need to achie ...
Document
... organization, storage, and retrieval Begins with a review of data design concepts and terminology, then discusses file-based systems and database systems, including Webbased databases Concludes with a discussion of data storage and access, including strategic tools such as data warehousing and d ...
... organization, storage, and retrieval Begins with a review of data design concepts and terminology, then discusses file-based systems and database systems, including Webbased databases Concludes with a discussion of data storage and access, including strategic tools such as data warehousing and d ...
DBsMM - Berkeley Database Group
... – Same thing: “all restaurants in downtown Berkeley” – Even fancier: “all pictures resembling ” – (Easy: “all pictures identical to “) • B+-trees exploit data order to do range search – 1-d range search is not always what you want ...
... – Same thing: “all restaurants in downtown Berkeley” – Even fancier: “all pictures resembling ” – (Easy: “all pictures identical to “) • B+-trees exploit data order to do range search – 1-d range search is not always what you want ...
ppt
... • A DBMS ensures a database has ACID properties: • Atomicity – nothing is ever half baked; database changes either happen or they don’t. • Consistency – you can’t peek at the data til it is baked; database changes aren’t visible until they are committed • Isolation – concurrent operations have an ex ...
... • A DBMS ensures a database has ACID properties: • Atomicity – nothing is ever half baked; database changes either happen or they don’t. • Consistency – you can’t peek at the data til it is baked; database changes aren’t visible until they are committed • Isolation – concurrent operations have an ex ...
Lab1-Dimensional
... At this point you might be wondering: what does order detail look like and how to we know it is what we need? This is where data profiling comes into play. Let’s take a look. DO THIS: Switch to your SQL Server, and from SQL Server Management Studio, open a new Query window (Ctrl + N) and type select ...
... At this point you might be wondering: what does order detail look like and how to we know it is what we need? This is where data profiling comes into play. Let’s take a look. DO THIS: Switch to your SQL Server, and from SQL Server Management Studio, open a new Query window (Ctrl + N) and type select ...
Title Page - Chep 2000 Home Page
... adaptable to different experiments. A job configuration manager uses a scripting interface to provide web-based editing, submission and cataloguing of analysis jobs, both user-level and experiment-wide, centrally managed in a database. A client/server system distributed over compute nodes provides j ...
... adaptable to different experiments. A job configuration manager uses a scripting interface to provide web-based editing, submission and cataloguing of analysis jobs, both user-level and experiment-wide, centrally managed in a database. A client/server system distributed over compute nodes provides j ...
Triggers Seminar
... sales. Suppose the following two relations are used to represent the sales operations and the items sold in each of them: sales(invNo:INTEGER, cassier:STRING, positions:INTEGER, total:MONEY, sale_date:DATE) items(posNo:INTEGER, invno:INTEGER, name:STRING, price:MONEY, qty:INTEGER, sum:MONEY) ...
... sales. Suppose the following two relations are used to represent the sales operations and the items sold in each of them: sales(invNo:INTEGER, cassier:STRING, positions:INTEGER, total:MONEY, sale_date:DATE) items(posNo:INTEGER, invno:INTEGER, name:STRING, price:MONEY, qty:INTEGER, sum:MONEY) ...
Access Control on XML Data
... [3]. Mahfoud, Houari. Contrôle d’Acces Efficace pour des Données XML: problemes d’interrogation et de mise-a-jour. Diss. Université de Lorraine, 2014. [4]. Irini Fundulaki and Sebastian Maneth. Formalizing xml access control for update ...
... [3]. Mahfoud, Houari. Contrôle d’Acces Efficace pour des Données XML: problemes d’interrogation et de mise-a-jour. Diss. Université de Lorraine, 2014. [4]. Irini Fundulaki and Sebastian Maneth. Formalizing xml access control for update ...
Lecture Notes - Department of Computer Science
... Midterm Format and Rules Midterm Tips Midterm Review The Relational Database The Structured Query Language Single-Table Queries Multiple-Table Queries Functions ...
... Midterm Format and Rules Midterm Tips Midterm Review The Relational Database The Structured Query Language Single-Table Queries Multiple-Table Queries Functions ...