Designing Distributed Data Warehouses and OLAP Systems
... On the bottom tier we have operational databases set up for purposes that are of no particular interest for the data warehouse. However, we assume that the data stored in the data warehouse are extracted from these operational databases. In other words, the input of data into the data warehouse is d ...
... On the bottom tier we have operational databases set up for purposes that are of no particular interest for the data warehouse. However, we assume that the data stored in the data warehouse are extracted from these operational databases. In other words, the input of data into the data warehouse is d ...
Document
... Dimensional Modelling is a design concept used by many data warehouse desginers to build thier datawarehouse. In this design model all the data is stored in two types of tables - Facts table and Dimension table. Fact table contains the facts/measurements of the business and the dimension table conta ...
... Dimensional Modelling is a design concept used by many data warehouse desginers to build thier datawarehouse. In this design model all the data is stored in two types of tables - Facts table and Dimension table. Fact table contains the facts/measurements of the business and the dimension table conta ...
Chapter 14: Query Optimization
... r 2 . . . r n. There are (2(n – 1))!/(n – 1)! different join orders for above expression. With n = 7, the number is 665280, with n = 10, the number is greater than 176 billion! No need to generate all the join orders. Using dynamic programming, the least-cost join order for any subset of {r1, r2 ...
... r 2 . . . r n. There are (2(n – 1))!/(n – 1)! different join orders for above expression. With n = 7, the number is 665280, with n = 10, the number is greater than 176 billion! No need to generate all the join orders. Using dynamic programming, the least-cost join order for any subset of {r1, r2 ...
Final Project Report
... configuration that lets you model an actual device by defining hardware and software options to be emulated by the Android Emulator. You can create as many AVDs as you need, based on the types of device you want to model. To thoroughly test your application, you should create an AVD for each general ...
... configuration that lets you model an actual device by defining hardware and software options to be emulated by the Android Emulator. You can create as many AVDs as you need, based on the types of device you want to model. To thoroughly test your application, you should create an AVD for each general ...
Document
... Write embedded SQL code within the host language instructions (先不要管 PL/SQL 相關部分) EXEC SQL SQL statement END-EXEC A preprocessor is used to transform the embedded SQL into specialized procedure calls that are DBMS-and-languagespecific. Compile the program using the host language compiler The object c ...
... Write embedded SQL code within the host language instructions (先不要管 PL/SQL 相關部分) EXEC SQL SQL statement END-EXEC A preprocessor is used to transform the embedded SQL into specialized procedure calls that are DBMS-and-languagespecific. Compile the program using the host language compiler The object c ...
Korpus-Abfrage: Werkzeuge und Sprachen Motivation Overview
... local program vs. client/server-architecture ...
... local program vs. client/server-architecture ...
PDF
... . The SQL Reporting Services ReportServer database—This database is used by the SQL Reporting Services Component. It stores the report definitions used for OpsMgr Reporting and is updated when new reports are defined or definitions of existing reports are changed. . The ReportServerTempDB database—T ...
... . The SQL Reporting Services ReportServer database—This database is used by the SQL Reporting Services Component. It stores the report definitions used for OpsMgr Reporting and is updated when new reports are defined or definitions of existing reports are changed. . The ReportServerTempDB database—T ...
Data Pump
... Data Pump • Commands expdp/impdp • Can use files or direct network transfer • Dynamic configuration, resumable operations • Client can detach and reconnect • Can be parallelized using PARALLEL – Even loads to/from external text files ...
... Data Pump • Commands expdp/impdp • Can use files or direct network transfer • Dynamic configuration, resumable operations • Client can detach and reconnect • Can be parallelized using PARALLEL – Even loads to/from external text files ...
Generating Program Inputs for Database Application Testing
... Our approach differs from Emmi et al.’s approach [6] in that we leverage DSE as a supporting technique to generate effective program input values by executing constructed auxiliary queries against the existing database state. As a result, high code coverage of the application can be achieved without ...
... Our approach differs from Emmi et al.’s approach [6] in that we leverage DSE as a supporting technique to generate effective program input values by executing constructed auxiliary queries against the existing database state. As a result, high code coverage of the application can be achieved without ...
State Management in .NET Web Services
... There are generally two kinds of state that might need to be saved on the server: session state and application state. Recent requests from a particular client process are often considered in the same session. Session state data is only visible within that particular session. The familiar shopping c ...
... There are generally two kinds of state that might need to be saved on the server: session state and application state. Recent requests from a particular client process are often considered in the same session. Session state data is only visible within that particular session. The familiar shopping c ...
MTA Database - Certification Camps
... This module explains how to write queries which combine data from multiple sources in SQL Server. The module introduces the use of JOINs in T-SQL queries as a mechanism for retrieving data from multiple tables. Lessons Understanding Joins Querying with Inner Joins Querying with Outer Joins Q ...
... This module explains how to write queries which combine data from multiple sources in SQL Server. The module introduces the use of JOINs in T-SQL queries as a mechanism for retrieving data from multiple tables. Lessons Understanding Joins Querying with Inner Joins Querying with Outer Joins Q ...
15_Exception Handling
... execution is called an exception in PL/SQL. PL/SQL supports programmers to catch such conditions using EXCEPTION block in the program and an appropriate action is taken against the error condition. There are two types of exceptions: System-defined exceptions User-defined exceptions ...
... execution is called an exception in PL/SQL. PL/SQL supports programmers to catch such conditions using EXCEPTION block in the program and an appropriate action is taken against the error condition. There are two types of exceptions: System-defined exceptions User-defined exceptions ...
Institutionen för datavetenskap Migration process evaluation and design Henrik Bylin
... system has been downloaded to Mediusflow database from the customers ERP. This data has been mapped into relational database tables generated by the Mediusflow platform. ...
... system has been downloaded to Mediusflow database from the customers ERP. This data has been mapped into relational database tables generated by the Mediusflow platform. ...
3.1.2 DB Properties
... Managing property files ....................................................................................................... 3 ...
... Managing property files ....................................................................................................... 3 ...
Data warehousing & Data mining
... 10% in the last year, the data related to such products can be collected by executing an SQL query. Data discrimination is a comparison of the general features of target class data objects with the general features of objects from one or a set of contrasting classes. The target and contrasting class ...
... 10% in the last year, the data related to such products can be collected by executing an SQL query. Data discrimination is a comparison of the general features of target class data objects with the general features of objects from one or a set of contrasting classes. The target and contrasting class ...
Oracle Database 10g: Administration Workshop I
... Copyright © 2005, Oracle. All rights reserved. ...
... Copyright © 2005, Oracle. All rights reserved. ...
Hashing
... Skew in distribution of records. This can occur due to two reasons: multiple records have same search-key value chosen hash function produces non-uniform distribution of ...
... Skew in distribution of records. This can occur due to two reasons: multiple records have same search-key value chosen hash function produces non-uniform distribution of ...
Importing into Modules
... Prior to importing a tag that refers to a specific manufacturer, the manufacturer needs to be in the “COMPONENT_MFR” table in InTools. Export this table to a spreadsheet and delete all columns except the one titled ‘CMPNT_MFR_NAME’. Add your list of manufacturers into this column and import to InToo ...
... Prior to importing a tag that refers to a specific manufacturer, the manufacturer needs to be in the “COMPONENT_MFR” table in InTools. Export this table to a spreadsheet and delete all columns except the one titled ‘CMPNT_MFR_NAME’. Add your list of manufacturers into this column and import to InToo ...
Database Operation On GPU - University of North Carolina
... Reduces a highly sparse matrix with N elements to a list of its M active entries in O(N) + M (log N) steps, ...
... Reduces a highly sparse matrix with N elements to a list of its M active entries in O(N) + M (log N) steps, ...