Effective Keyword Based Selection of Relational Databases
... measured as a combination of two factors: 1) Proximity factor – Inverse of distance 2) Frequency factor, given a distance d – Number of combinations of exactly d+1 distinct tuples that can be joined in a sequence to get the two keywords in the ...
... measured as a combination of two factors: 1) Proximity factor – Inverse of distance 2) Frequency factor, given a distance d – Number of combinations of exactly d+1 distinct tuples that can be joined in a sequence to get the two keywords in the ...
Chapter 22: Relational Databases
... multiple tables as in Figure 4. Dividing the columns into two tables solves the replication problem. The customer data are no longer replicated—the Invoice table contains no customer information, and the Customer table contains a single record for each customer. But how can we refer to the customer ...
... multiple tables as in Figure 4. Dividing the columns into two tables solves the replication problem. The customer data are no longer replicated—the Invoice table contains no customer information, and the Customer table contains a single record for each customer. But how can we refer to the customer ...
Spatialite – A brief overview of this light-weight, cross
... -Sql window, create new layer from sql query -Subset of data based on ST_Intersects ...
... -Sql window, create new layer from sql query -Subset of data based on ST_Intersects ...
Lesson Plan Title: Simplifying the IF/IIf Function Goal of Lesson: To
... Overview of Lesson: Lesson explains systematic approach to using the IF function in Excel starting with steps to draw a schematic of the logical operation and building to actually entering the function. Materials Needed: Office 2007 or 2010 with Excel, computer, printer, paper, and pencil. Procedure ...
... Overview of Lesson: Lesson explains systematic approach to using the IF function in Excel starting with steps to draw a schematic of the logical operation and building to actually entering the function. Materials Needed: Office 2007 or 2010 with Excel, computer, printer, paper, and pencil. Procedure ...
Relational Data Tailoring Through View Composition
... domain schema. This is called configuration-based mapping, and can be done by directly writing a query in the language supported by the underlying database, or by selecting these portions by means of a graphical interface which will derive the corresponding view. This process is already supported by ...
... domain schema. This is called configuration-based mapping, and can be done by directly writing a query in the language supported by the underlying database, or by selecting these portions by means of a graphical interface which will derive the corresponding view. This process is already supported by ...
DATABASE SCHEMA INTEGRATION PROCESS
... between such subsystems require that the development methods are applied cooperatively. Cooperative tools, based on a powerful and user-friendly graphic interface and working over a so-called Cooperative Data Dictionary (CDD), are introduced. The concept of form in [8] is very similar to our concept ...
... between such subsystems require that the development methods are applied cooperatively. Cooperative tools, based on a powerful and user-friendly graphic interface and working over a so-called Cooperative Data Dictionary (CDD), are introduced. The concept of form in [8] is very similar to our concept ...
What`s New and Different when Moving Your Backend from
... and database transactions (as shown in Figure 10). This helps identify any transactions that are particularly lengthy or resource-intensive. ...
... and database transactions (as shown in Figure 10). This helps identify any transactions that are particularly lengthy or resource-intensive. ...
Database Security and Auditing
... • Understand the difference between the auditing architecture of DML Action Auditing Architecture and DML changes • Create and implement Oracle triggers • Create and implement SQL Server triggers • Define and implement Oracle fine-grained auditing ...
... • Understand the difference between the auditing architecture of DML Action Auditing Architecture and DML changes • Create and implement Oracle triggers • Create and implement SQL Server triggers • Define and implement Oracle fine-grained auditing ...
Spatial Database for Geographic Information System (GIS
... data types for storing vector, raster, and persistent topology data. This document outlines some best practices when working with Oracle’s native vector data type, SDO_GEOMETRY, in Oracle Spatial for Oracle Database 9i and 10g. Some of the major GIS vendors have legacy proprietary alternatives to st ...
... data types for storing vector, raster, and persistent topology data. This document outlines some best practices when working with Oracle’s native vector data type, SDO_GEOMETRY, in Oracle Spatial for Oracle Database 9i and 10g. Some of the major GIS vendors have legacy proprietary alternatives to st ...
vb notes - VB.NET section
... your DataSet (dsfor us). After a full stop, select Tables from the popup list. The Tables property needs something in between round brackets. Quite bizarrely, this is NOT the name of your database table! It's that identifier you used with the Data Adapter Fill. We used the identifier "AddressBook". ...
... your DataSet (dsfor us). After a full stop, select Tables from the popup list. The Tables property needs something in between round brackets. Quite bizarrely, this is NOT the name of your database table! It's that identifier you used with the Data Adapter Fill. We used the identifier "AddressBook". ...
BUSINESS OBJECTS
... Ans. It is the combination of MOLAP and ROLAP. For summary type information, it uses the cube technology for fast performance and when detail information is needed, it can drill through from the cube into underlying relational data. ...
... Ans. It is the combination of MOLAP and ROLAP. For summary type information, it uses the cube technology for fast performance and when detail information is needed, it can drill through from the cube into underlying relational data. ...
Guide to Using SQL: Synonyms and the Rename Statement
... be reporting applications that have used the previous synonym definition to reference the old table. Therefore, these applications will have to disconnect or restart at some point to so that the synonym is reloaded and the new target table located. How is this different from using a view? While it i ...
... be reporting applications that have used the previous synonym definition to reference the old table. Therefore, these applications will have to disconnect or restart at some point to so that the synonym is reloaded and the new target table located. How is this different from using a view? While it i ...
PL/SQL
... Declared in the SQL “Host Environment” Remain active for the length of the SQL Session Can be displayed with the SQL Print Command Can only be accessed in the program when prefaced with a colon (:) ...
... Declared in the SQL “Host Environment” Remain active for the length of the SQL Session Can be displayed with the SQL Print Command Can only be accessed in the program when prefaced with a colon (:) ...
Database Security and Auditing
... • Understand the difference between the auditing architecture of DML Action Auditing Architecture and DML changes • Create and implement Oracle triggers • Create and implement SQL Server triggers • Define and implement Oracle fine-grained auditing ...
... • Understand the difference between the auditing architecture of DML Action Auditing Architecture and DML changes • Create and implement Oracle triggers • Create and implement SQL Server triggers • Define and implement Oracle fine-grained auditing ...
Expressive Query Construction through Direct Manipulation of
... of each system against the requirements set forth in the introduction. Besides our core requirements, Table 1 also indicates which systems support nested results, i.e. a graphical equivalent of a hierarchical data model such as XML, JSON, or nested relations. This handles report-style queries that e ...
... of each system against the requirements set forth in the introduction. Besides our core requirements, Table 1 also indicates which systems support nested results, i.e. a graphical equivalent of a hierarchical data model such as XML, JSON, or nested relations. This handles report-style queries that e ...
Efficient Prediction of Difficult Keyword Queries over Databases
... must assign each query term to a schema element(s) in the database. It must also distinguish the desired result type(s). We empirically show that direct adaptations of these techniques are ineffective for structured data. In this paper, we analyze the characteristics of difficult queries over databa ...
... must assign each query term to a schema element(s) in the database. It must also distinguish the desired result type(s). We empirically show that direct adaptations of these techniques are ineffective for structured data. In this paper, we analyze the characteristics of difficult queries over databa ...
Expressive Query Construction through Direct Manipulation of
... of each system against the requirements set forth in the introduction. Besides our core requirements, Table 1 also indicates which systems support nested results, i.e. a graphical equivalent of a hierarchical data model such as XML, JSON, or nested relations. This handles report-style queries that e ...
... of each system against the requirements set forth in the introduction. Besides our core requirements, Table 1 also indicates which systems support nested results, i.e. a graphical equivalent of a hierarchical data model such as XML, JSON, or nested relations. This handles report-style queries that e ...
CIS300 Final Exam Review - Resources for Academic
... format to the same date and time format that is specified in the regional date and time settings in Control Panel. • The NOW function is useful when you need to display the current date and time on a worksheet or calculate a value based on the current date and time, and have that value updated each ...
... format to the same date and time format that is specified in the regional date and time settings in Control Panel. • The NOW function is useful when you need to display the current date and time on a worksheet or calculate a value based on the current date and time, and have that value updated each ...
Efficient Query Optimization for Distributed Join in Database
... Also the World Wide Web is witnessing the need to deal with vast heterogeneous collections of data sources. Improving search by inter-operating among data sources poses one of the greatest challenges [5]. ...
... Also the World Wide Web is witnessing the need to deal with vast heterogeneous collections of data sources. Improving search by inter-operating among data sources poses one of the greatest challenges [5]. ...
My DB and PHP Access slides
... Advantages of Scripts Accessing Databases Over Scripts Using Files • Faster access – DB performs the search (random access) vs. Sequential search - a line at a time in file ...
... Advantages of Scripts Accessing Databases Over Scripts Using Files • Faster access – DB performs the search (random access) vs. Sequential search - a line at a time in file ...
Class #9
... • Only 1% of databases are fully object oriented – so we usually need to convert our class structure into a relational database schema (entity-relationship diagram, ERD) • Start with the completed application class diagram • Identify and keep only persistent classes [These notes adapted from Prof. S ...
... • Only 1% of databases are fully object oriented – so we usually need to convert our class structure into a relational database schema (entity-relationship diagram, ERD) • Start with the completed application class diagram • Identify and keep only persistent classes [These notes adapted from Prof. S ...
Best Practices for Conflict Detection and Resolution in
... the same stock at the same time. Removing the conflicts in such critical situations can really allow this type of configuration to succeed, but also provide phenomenal results. Through the use of an application server, this can be made even easier by having a pool of connections to issue the trades, ...
... the same stock at the same time. Removing the conflicts in such critical situations can really allow this type of configuration to succeed, but also provide phenomenal results. Through the use of an application server, this can be made even easier by having a pool of connections to issue the trades, ...
CHAPTER11
... Many information systems shops hesitate to give end-users access to operational databases, because the volume of unscheduled reports and queries could overload the computers and hamper business operations. • To remedy that problem, data warehouses were developed. ...
... Many information systems shops hesitate to give end-users access to operational databases, because the volume of unscheduled reports and queries could overload the computers and hamper business operations. • To remedy that problem, data warehouses were developed. ...
Caching Management of Mobile DBMS
... For the past ten years, personal computer technology has been progressing at an astonishing rate. The size of a PC is becoming smaller, and the capacity of software and hardware functionality is increasing. Simultaneously, the technologies of cellular communications, satellite services and wireless ...
... For the past ten years, personal computer technology has been progressing at an astonishing rate. The size of a PC is becoming smaller, and the capacity of software and hardware functionality is increasing. Simultaneously, the technologies of cellular communications, satellite services and wireless ...