Chapter 14
... used to access remote database servers – Uses lower-level DAO and ODBC for direct access to databases – Optimized to deal with server-based databases, such as MS SQL Server, Oracle, and DB2 ...
... used to access remote database servers – Uses lower-level DAO and ODBC for direct access to databases – Optimized to deal with server-based databases, such as MS SQL Server, Oracle, and DB2 ...
principles of effective database design
... that will eventually populate the table. For example, in a Person table, one might first designate the field, Last Name as the Primary key, because people are usually referred to by their last names, instead of other descriptors such as hair color or age. However, in a database (as in real life) it ...
... that will eventually populate the table. For example, in a Person table, one might first designate the field, Last Name as the Primary key, because people are usually referred to by their last names, instead of other descriptors such as hair color or age. However, in a database (as in real life) it ...
MS-SQL Advantages - Sloan Digital Sky Survey
... We’ve tried to incorporate all the changes you requested. Please read through again very carefully. Once the article is laid out, you’ll be able to verify each illustration, as well as have a final look at the text. I’ve looked it over and made a few small changes, nothing major. Some of the heading ...
... We’ve tried to incorporate all the changes you requested. Please read through again very carefully. Once the article is laid out, you’ll be able to verify each illustration, as well as have a final look at the text. I’ve looked it over and made a few small changes, nothing major. Some of the heading ...
PPTX
... we can try to (i) alter db design and DDL; (ii) encapsulate the database via a “stable” API; … To probe further (code, data, details, presentations, …) ...
... we can try to (i) alter db design and DDL; (ii) encapsulate the database via a “stable” API; … To probe further (code, data, details, presentations, …) ...
MHC Data Warehouse Project Glossary of
... Dimensional Model- A data model organized for the purposes of user understandability and high performance. In a relational database, a dimensional model is a star join schema characterized by a central fact table with a multi-part key. Dimensional Modeling- A formal data modeling technique that is u ...
... Dimensional Model- A data model organized for the purposes of user understandability and high performance. In a relational database, a dimensional model is a star join schema characterized by a central fact table with a multi-part key. Dimensional Modeling- A formal data modeling technique that is u ...
Creating a Table
... Constraints are created to ensure data integrity Constraints define rules that must be followed to maintain consistency and correctness of data A constraint can either be created at the time of creating a table or can be added later Constraints can be enforced at two levels: ...
... Constraints are created to ensure data integrity Constraints define rules that must be followed to maintain consistency and correctness of data A constraint can either be created at the time of creating a table or can be added later Constraints can be enforced at two levels: ...
sql - structured query language
... NOTE: This workbook is based upon the one written for teaching Oracle SQL to undergraduate students of CMS. Special thanks to the original authors for allowing me to use their work as the basis for this document. The target audience for this version is students on postgraduate courses at CMS, but wh ...
... NOTE: This workbook is based upon the one written for teaching Oracle SQL to undergraduate students of CMS. Special thanks to the original authors for allowing me to use their work as the basis for this document. The target audience for this version is students on postgraduate courses at CMS, but wh ...
Data Modeling for Business Intelligence with Microsoft
... Let’s now go back to the original sample project. The project will be fairly simple; we’re building a data warehouse for a DVD retailer that wants to be able to figure out what products are being ordered and what their customer demographics are. This is a readily recognizable need; almost every busi ...
... Let’s now go back to the original sample project. The project will be fairly simple; we’re building a data warehouse for a DVD retailer that wants to be able to figure out what products are being ordered and what their customer demographics are. This is a readily recognizable need; almost every busi ...
Chapter 7: Relational Database Design - CS
... Retrieval speed: sometime we prefer to bring more tuples than necessary in MM and use CPU to filter out the unnecessary ones! ...
... Retrieval speed: sometime we prefer to bring more tuples than necessary in MM and use CPU to filter out the unnecessary ones! ...
TABLE OF CONTENTS 2. Background and Rationale
... to particular parameters investigated, such as bacteria and hypoxia, it will be possible to identify issues that will require management actions. However, before analysis can begin, the first level (creating an accessible database) must be completed. Thus the goal of this thesis is to complete the d ...
... to particular parameters investigated, such as bacteria and hypoxia, it will be possible to identify issues that will require management actions. However, before analysis can begin, the first level (creating an accessible database) must be completed. Thus the goal of this thesis is to complete the d ...
Introducing SQL Server 2012 Integration Services
... CREATE SERVER ROLE [AGAdmins] AUTHORIZATION [sa]; GRANT ALTER ANY AVAILABILITY GROUP TO [AGAdmins]; GRANT ALTER ANY ENDPOINT TO [AGAdmins]; GRANT CREATE AVAILABILITY GROUP TO [AGAdmins]; GRANT CREATE ENDPOINT TO [AGAdmins]; ALTER SERVER ROLE [AGAdmins] ADD MEMBER [JohnDoe]; ...
... CREATE SERVER ROLE [AGAdmins] AUTHORIZATION [sa]; GRANT ALTER ANY AVAILABILITY GROUP TO [AGAdmins]; GRANT ALTER ANY ENDPOINT TO [AGAdmins]; GRANT CREATE AVAILABILITY GROUP TO [AGAdmins]; GRANT CREATE ENDPOINT TO [AGAdmins]; ALTER SERVER ROLE [AGAdmins] ADD MEMBER [JohnDoe]; ...
Lecture 2 - Unit information
... • Provide a simple and concise view around particular subject issues by excluding data that are not useful ...
... • Provide a simple and concise view around particular subject issues by excluding data that are not useful ...
Video Store Membership - Decision Table
... It is not anticipated that there will be any financial costs associated with any of the major ...
... It is not anticipated that there will be any financial costs associated with any of the major ...
Ontology based Automatic ETL for Marine Geoscientific Data
... schema may use “sample_ref_nu’ and another may use “SRefNo to represent the same category of information. This is an example of a 1:1 mapping. Other dataset may use “Ref” or “Reference_No” etc to represent the same category of information. Example 4: One schema may use “Name” and another combination ...
... schema may use “sample_ref_nu’ and another may use “SRefNo to represent the same category of information. This is an example of a 1:1 mapping. Other dataset may use “Ref” or “Reference_No” etc to represent the same category of information. Example 4: One schema may use “Name” and another combination ...
网络化TITAN-MGIS的研究与开发
... Object-Relational Mode Data Structure (UORMDS) is designed. UORMDS combines the graphic and non-graphic data into the unique object-relational database. The Geo-graphic data is divided into two components, the location/shape data and topology data. The Geo-spatial data and the abstract of geo-spatia ...
... Object-Relational Mode Data Structure (UORMDS) is designed. UORMDS combines the graphic and non-graphic data into the unique object-relational database. The Geo-graphic data is divided into two components, the location/shape data and topology data. The Geo-spatial data and the abstract of geo-spatia ...
Presentation Title
... Great - Individual databases feel like they were created by one architect level person Perfection - All databases in the enterprise look and feel like they were all created by the ...
... Great - Individual databases feel like they were created by one architect level person Perfection - All databases in the enterprise look and feel like they were all created by the ...
Overview of Analytics Platform System (APS)
... distributed tables within the queries being executed. This will improve query performance by removing the need to move data, making the query join execution distribution local, fulfilling the divide and conquer paradigm. Select a distribution column that is also aggregation compatible – Consider a d ...
... distributed tables within the queries being executed. This will improve query performance by removing the need to move data, making the query join execution distribution local, fulfilling the divide and conquer paradigm. Select a distribution column that is also aggregation compatible – Consider a d ...
Preview Sample 1
... as well as dirty data are the major cause of faulty data. To remove data inconsistency and duplication a database must be normalized. Database cleansing is a technique used to remove dirty data. Refer to the chapter text for normalization and database cleansing. 2.2 Discuss the differences between a ...
... as well as dirty data are the major cause of faulty data. To remove data inconsistency and duplication a database must be normalized. Database cleansing is a technique used to remove dirty data. Refer to the chapter text for normalization and database cleansing. 2.2 Discuss the differences between a ...
Extraction, Transformation, Loading (ETL) and Data Cleaning
... They mainly concern the management of multiple, alternative values, the management and documentation of performed cleansing operations and the cleansing lineage, as well as the specification and development of an appropriate framework, supporting the data cleansing process. ...
... They mainly concern the management of multiple, alternative values, the management and documentation of performed cleansing operations and the cleansing lineage, as well as the specification and development of an appropriate framework, supporting the data cleansing process. ...
The Role of Database Management Systems for Investigative Data
... There are a number of inherent advantages to the DBMS approach. Tht! va.lue of eac.h of these to a give_n use_r communi ty loli 11 depend very much upon the specific circumstances of that community. It is realized that an advantage to one community of u~en:i may al.:tually be considered a disadvanta ...
... There are a number of inherent advantages to the DBMS approach. Tht! va.lue of eac.h of these to a give_n use_r communi ty loli 11 depend very much upon the specific circumstances of that community. It is realized that an advantage to one community of u~en:i may al.:tually be considered a disadvanta ...
PowerPoint 97
... • An attribute value must match its type. • A primary key must be unique. • A tuple’s foreign key must be of the same type as its “matching” primary key. • To create a record with a given foreign key, a record in the corresponding table must have that value as its primary key. • Many to many relatio ...
... • An attribute value must match its type. • A primary key must be unique. • A tuple’s foreign key must be of the same type as its “matching” primary key. • To create a record with a given foreign key, a record in the corresponding table must have that value as its primary key. • Many to many relatio ...
Chapter 8
... Behavior of the query optimization component must be known. The number of choices is large. Index choices can be interrelated. ...
... Behavior of the query optimization component must be known. The number of choices is large. Index choices can be interrelated. ...