FREE Sample Here
... information about the update will still be captured. Diff: 2 Page Ref: 306 12) What is a checkpoint? Answer: A checkpoint is a part of a recovery log. When a checkpoint is created, all updates recorded in the recovery log—and as a result any updates to data stored in memory—are written to the databa ...
... information about the update will still be captured. Diff: 2 Page Ref: 306 12) What is a checkpoint? Answer: A checkpoint is a part of a recovery log. When a checkpoint is created, all updates recorded in the recovery log—and as a result any updates to data stored in memory—are written to the databa ...
Chapter 1
... keywords, it appears that they have written an application that translates user-friendly terms for search criteria into predicates for SQL statements. It is interesting to consider whether or not they have consolidated title data into one unnormalized table or whether they do joins on Title, Author, ...
... keywords, it appears that they have written an application that translates user-friendly terms for search criteria into predicates for SQL statements. It is interesting to consider whether or not they have consolidated title data into one unnormalized table or whether they do joins on Title, Author, ...
Object-Oriented Modeling for GIS
... complex part of a large software system (Frank 1988a). DBMSs have become an accepted tool for storing data in a form that is concurrently accessible for multiple users, prevents loss of data, and provides security for access (Codd 1982). By using a database management system, all the tasks of low-le ...
... complex part of a large software system (Frank 1988a). DBMSs have become an accepted tool for storing data in a form that is concurrently accessible for multiple users, prevents loss of data, and provides security for access (Codd 1982). By using a database management system, all the tasks of low-le ...
C16LV - NYOUG
... masks related columns as a group to ensure that the data being masked across the related columns retain the same relationship. ■ Deterministic/Consistent Masking: generates consistent outputs for a given input across various databases (useful for data and system integrity across multiple application ...
... masks related columns as a group to ensure that the data being masked across the related columns retain the same relationship. ■ Deterministic/Consistent Masking: generates consistent outputs for a given input across various databases (useful for data and system integrity across multiple application ...
Microsoft Access -
... Queries are extremely easy to set up/use and provide an upto-date snapshot of your data at any time. Queries may be used to calculate values based upon existing fields, join fields from separate tables, globally update or delete data, and export linked/calculated data to external programs. Under the ...
... Queries are extremely easy to set up/use and provide an upto-date snapshot of your data at any time. Queries may be used to calculate values based upon existing fields, join fields from separate tables, globally update or delete data, and export linked/calculated data to external programs. Under the ...
Chap06
... database design before it can be implemented. Preview the position of logical database design in the overall database development process (see Figure 2-5). You might want to discuss who in the organization is usually responsible for this step, and what CASE tools might be appropriate. Discuss the re ...
... database design before it can be implemented. Preview the position of logical database design in the overall database development process (see Figure 2-5). You might want to discuss who in the organization is usually responsible for this step, and what CASE tools might be appropriate. Discuss the re ...
Chapter 6: Logical database design and the relational model
... The relational operations become very complex and are likely to cause system efficiency errors and output errors. Break the M:N down into 1:N and N:1 relationships using bridge entity (weak entity). ...
... The relational operations become very complex and are likely to cause system efficiency errors and output errors. Break the M:N down into 1:N and N:1 relationships using bridge entity (weak entity). ...
2 - CWI Amsterdam
... • Many database applications require data from a variety of preexisting databases located in a heterogeneous collection of hardware and software platforms • Data models may differ (hierarchical, relational , etc.) • Transaction commit protocols may be incompatible • Concurrency control may be based ...
... • Many database applications require data from a variety of preexisting databases located in a heterogeneous collection of hardware and software platforms • Data models may differ (hierarchical, relational , etc.) • Transaction commit protocols may be incompatible • Concurrency control may be based ...
PeopleSoft Database Structure
... No longer includes windows 2-tier client (pstools.exe) With exception of Query and nVision only way to get at app is via PIA ...
... No longer includes windows 2-tier client (pstools.exe) With exception of Query and nVision only way to get at app is via PIA ...
Kroenke-DBP-e10-PPT-Chapter12
... abstraction that is defined by its properties and methods. – An abstraction is a generalization of something. – A property specifies set of characteristics of an object. – A method refers to actions that an object can perform. – A collection is an object that contains a group of other objects. DAVID ...
... abstraction that is defined by its properties and methods. – An abstraction is a generalization of something. – A property specifies set of characteristics of an object. – A method refers to actions that an object can perform. – A collection is an object that contains a group of other objects. DAVID ...
worksheet for Chapter 19 - library database
... Queries are also used to pick out records satisfying particular criteria and sort or summarise them ready to be printed on a report. For example, suppose we wanted a list, sorted by borrower name, of all books overdue by more than one week. These borrowers could then be sent a letter or postcard rem ...
... Queries are also used to pick out records satisfying particular criteria and sort or summarise them ready to be printed on a report. For example, suppose we wanted a list, sorted by borrower name, of all books overdue by more than one week. These borrowers could then be sent a letter or postcard rem ...
White Paper IBM Informix in hybrid workload environments
... most database products because the majority of relational databases that are suitable for both transactional and analytic operations on a separate basis require very different tuning and administrative requirements to optimise performance for both environments in conjunction. Thus it becomes impract ...
... most database products because the majority of relational databases that are suitable for both transactional and analytic operations on a separate basis require very different tuning and administrative requirements to optimise performance for both environments in conjunction. Thus it becomes impract ...
Windows Azure Platform in 30minutes
... • Plenty of early adopters, therefore – Good best practice are now appearing – Plenty of detail to dig into ...
... • Plenty of early adopters, therefore – Good best practice are now appearing – Plenty of detail to dig into ...
Beyond the Data Model: Designing the Data Warehouse
... because you can add new topics without affecting the existing data. However, this method can be cumbersome for nontechnical users to perform ad-hoc queries against, as they must have an understanding of how the data is related. Additionally, reporting style queries may not perform well because of th ...
... because you can add new topics without affecting the existing data. However, this method can be cumbersome for nontechnical users to perform ad-hoc queries against, as they must have an understanding of how the data is related. Additionally, reporting style queries may not perform well because of th ...
Student resources - worksheet for Chapter 19
... Queries are also used to pick out records satisfying particular criteria and sort or summarise them ready to be printed on a report. For example, suppose we wanted a list, sorted by borrower name, of all books overdue by more than one week. These borrowers could then be sent a letter or postcard rem ...
... Queries are also used to pick out records satisfying particular criteria and sort or summarise them ready to be printed on a report. For example, suppose we wanted a list, sorted by borrower name, of all books overdue by more than one week. These borrowers could then be sent a letter or postcard rem ...
Mini-MSDD - Relational Databases
... There are certain things that it is desirable to describe about the entities. The various qualities (characteristics) of the entity that are to be described are referred to as attributes For each of these attributes for each entity there is potentially a value (taken from a legal set of values that ...
... There are certain things that it is desirable to describe about the entities. The various qualities (characteristics) of the entity that are to be described are referred to as attributes For each of these attributes for each entity there is potentially a value (taken from a legal set of values that ...
MySQL tutorial Emile Chungtien Chi and install MYSQL
... To load the remaining tables, change the script file to prof.txt and table prof, etc. To check that your database is loaded properly, type show tables; ...
... To load the remaining tables, change the script file to prof.txt and table prof, etc. To check that your database is loaded properly, type show tables; ...
BUILDING BLOCKS OF DATAWAREHOUSE G.Lakshmi Priya
... Normalizing dimension tables • Dimension tables may not be normalized. Most data warehouse experts find this acceptable. • In some situations in which it makes sense to further normalize dimension tables. • Multivalued dimensions: – Ex: Hospital charge/payment for a patient on a date is associa ...
... Normalizing dimension tables • Dimension tables may not be normalized. Most data warehouse experts find this acceptable. • In some situations in which it makes sense to further normalize dimension tables. • Multivalued dimensions: – Ex: Hospital charge/payment for a patient on a date is associa ...
Romancing Your Data: The Getting-to-Know-You Phase
... Statistical Modelers and Business Analysts are the typical users of the data, and the term ‘analyst’ will be used here broadly for ‘anyone who uses an Oracle database to solve business problems.’ An analyst’s main interest in the database is to solve business problems that have data-driven solutions ...
... Statistical Modelers and Business Analysts are the typical users of the data, and the term ‘analyst’ will be used here broadly for ‘anyone who uses an Oracle database to solve business problems.’ An analyst’s main interest in the database is to solve business problems that have data-driven solutions ...
Working Conference on Reverse Engineering
... on the specific behaviour of the DMS. Just like process L2, it makes the schema less readable. The semantic contents of the DMS-compliant structure are preserved. Process P1 : only the first subset of specifications collecting strictly DMS-compliant structures can be translated into the DDL of the D ...
... on the specific behaviour of the DMS. Just like process L2, it makes the schema less readable. The semantic contents of the DMS-compliant structure are preserved. Process P1 : only the first subset of specifications collecting strictly DMS-compliant structures can be translated into the DDL of the D ...
chapter08
... • One-to-one (1:1) – Dictates that for every record in Table A there can be one and only one matching record in Table B – Consider combining tables in 1:1 relationship – 1: 1 sometimes appropriate: each student has one grade level (Student Table to Grade Level Table) – FK column(s) in “one” table PK ...
... • One-to-one (1:1) – Dictates that for every record in Table A there can be one and only one matching record in Table B – Consider combining tables in 1:1 relationship – 1: 1 sometimes appropriate: each student has one grade level (Student Table to Grade Level Table) – FK column(s) in “one” table PK ...
- TURBO Enterprise
... Authenticated AJAX calls from browser to database Flexible and open standard for customization and third ...
... Authenticated AJAX calls from browser to database Flexible and open standard for customization and third ...
Creating a Data Warehouse using SQL Server
... of the Sales table is (stor_id, ord_num, title_id). Therefore ord_num is not a proper invoice line number. On the other hand there is also no proper invoice (or order) number in the usual sense of the word i.e. usually we would have a pair: Invoice_number and invoice_line number, but here we just h ...
... of the Sales table is (stor_id, ord_num, title_id). Therefore ord_num is not a proper invoice line number. On the other hand there is also no proper invoice (or order) number in the usual sense of the word i.e. usually we would have a pair: Invoice_number and invoice_line number, but here we just h ...
Database Systems
... An effective technique for understanding a system. Possible to either participate in, or watch, a person perform activities to learn about the system. Useful when validity of data collected is in question or when the complexity of certain aspects of the system prevents a clear explanation by t ...
... An effective technique for understanding a system. Possible to either participate in, or watch, a person perform activities to learn about the system. Useful when validity of data collected is in question or when the complexity of certain aspects of the system prevents a clear explanation by t ...