The Snowflake Schema
... Not all tools are created equally so often many data transformations must occur to achieve ...
... Not all tools are created equally so often many data transformations must occur to achieve ...
MayBMS: A System for Managing Large Uncertain and Probabilistic Databases.
... Central themes in our research include the creation of foundations of query languages for probabilistic databases by developing analogs of relational algebra [22, 21] and SQL [6, 8] and the development of efficient query processing techniques [5, 25, 3, 23, 24, 17]. In practice, the efficient evalua ...
... Central themes in our research include the creation of foundations of query languages for probabilistic databases by developing analogs of relational algebra [22, 21] and SQL [6, 8] and the development of efficient query processing techniques [5, 25, 3, 23, 24, 17]. In practice, the efficient evalua ...
Outline
... unique value in its primary-key field • Compound Primary key: when a record has a unique key based on a combination of two fields • Foreign key: – Field for which every entry has a unique value in another table and where the field in the other table is the primary key for that table – Rule of Refere ...
... unique value in its primary-key field • Compound Primary key: when a record has a unique key based on a combination of two fields • Foreign key: – Field for which every entry has a unique value in another table and where the field in the other table is the primary key for that table – Rule of Refere ...
Lesson Plan Title: Simplifying the IF/IIf Function Goal of Lesson: To
... 1. In Cell H1, add the following label: Between 30,000 and 40,000. 2. On a blank page of paper write the title, Exercise B. 3. Create a diagram of the following on a piece of paper using the appropriate decision blocks, value-if-true blocks, and value-if-false blocks: If the value in Cell E2 is grea ...
... 1. In Cell H1, add the following label: Between 30,000 and 40,000. 2. On a blank page of paper write the title, Exercise B. 3. Create a diagram of the following on a piece of paper using the appropriate decision blocks, value-if-true blocks, and value-if-false blocks: If the value in Cell E2 is grea ...
Partitioning and Distribution of Large Tables
... second level of partitioning (for Hash Range and Hash Hash). The reason why it is restricted for the first level is explained below: Upon an insertion or update of a row, it is required to check the unique constraint of the primary key. If the primary key has to be checked on all partitions across t ...
... second level of partitioning (for Hash Range and Hash Hash). The reason why it is restricted for the first level is explained below: Upon an insertion or update of a row, it is required to check the unique constraint of the primary key. If the primary key has to be checked on all partitions across t ...
Using SAS with Oracle to Add a Replica of a Large Operational Database to a Data Warehouse
... change records could be found duplicated in the initial extract. This anomaly required additional processing to remove these duplicates from the Oracle tables before beginning the update process. At the time of the extract there was around 200 tables in the database; a total of 63 gigabytes. DATABri ...
... change records could be found duplicated in the initial extract. This anomaly required additional processing to remove these duplicates from the Oracle tables before beginning the update process. At the time of the extract there was around 200 tables in the database; a total of 63 gigabytes. DATABri ...
Document
... Entity-Relationship Model • Relational model is a great formalism – and a clean system framework ...
... Entity-Relationship Model • Relational model is a great formalism – and a clean system framework ...
Using Proc SQL and ODBC to Manage Data outside of SAS®
... You will be returned to the ODBC Data Source Administer interface Make sure the new ODBC Connection is on the list of ODBC connects in either the User interface or the System interface. This will ensure that you have an ODBC connection in place. Click Okay and the window closes ...
... You will be returned to the ODBC Data Source Administer interface Make sure the new ODBC Connection is on the list of ODBC connects in either the User interface or the System interface. This will ensure that you have an ODBC connection in place. Click Okay and the window closes ...
SQL Data Types and Schemas Integrity Constraints Authorization
... An assertion is a predicate expressing a condition that we wish the ...
... An assertion is a predicate expressing a condition that we wish the ...
Oracle PL/SQL
... Count how many records already exist with the same publisher value as the new record (the one being added or updated) If count is 3 or more, error fires - Output message and abort transaction ...
... Count how many records already exist with the same publisher value as the new record (the one being added or updated) If count is 3 or more, error fires - Output message and abort transaction ...
Database Cracking
... the cracker index is an AVL-tree. Each node in the tree holds information for one value v, i.e., it stores a position p referring to the cracker column such that all values that are before position p are smaller than v and all values that are after p are greater. Whether v is left or right inclusive ...
... the cracker index is an AVL-tree. Each node in the tree holds information for one value v, i.e., it stores a position p referring to the cracker column such that all values that are before position p are smaller than v and all values that are after p are greater. Whether v is left or right inclusive ...
Platform As A Service
... • A Windows Azure application can have multiple instances, each executing in its own virtual machine (VM) • Each VM is provided by a hypervisor (Hyper-V) • A developer can create A hosting account for running applications A storage account for storing data or both ...
... • A Windows Azure application can have multiple instances, each executing in its own virtual machine (VM) • Each VM is provided by a hypervisor (Hyper-V) • A developer can create A hosting account for running applications A storage account for storing data or both ...
Relation
... Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Revised by IB & SAM, Fasilkom UI, 2005 ...
... Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Revised by IB & SAM, Fasilkom UI, 2005 ...
ACCESS Chapter 4
... Input file: Investment workbook (Excel) Investment database (Access) Output file: Investment workbook Investment database (modified) Exploring Office 2003 - Grauer and Barber ...
... Input file: Investment workbook (Excel) Investment database (Access) Output file: Investment workbook Investment database (modified) Exploring Office 2003 - Grauer and Barber ...
Updating and re-developing structure, data bases and models for
... for scenario testing. Coupled with improvements in integration of data such as OS vector data for delineation of built-up areas, roads, forests this database provides Defra with the most up-todate and precise spatial database of national agricultural and rural land use available. Developments in nit ...
... for scenario testing. Coupled with improvements in integration of data such as OS vector data for delineation of built-up areas, roads, forests this database provides Defra with the most up-todate and precise spatial database of national agricultural and rural land use available. Developments in nit ...
OLAP Hands
... 13. Click the Next button. The Member Key Columns dialog appears, Next to move on. Click Next to move on from here as well. Give the dimension a name of Customer and click Finish. You now have one of our five dimensions completed: 14. Click the New Dimension button again and click Next to move past ...
... 13. Click the Next button. The Member Key Columns dialog appears, Next to move on. Click Next to move on from here as well. Give the dimension a name of Customer and click Finish. You now have one of our five dimensions completed: 14. Click the New Dimension button again and click Next to move past ...
Modules - Digital Pathology Association
... A teacher administrator has full control over all settings for a course, including restricting other teachers Choice of course formats such as by week, by topic or a discussion-focused social format Flexible array of course activities: Forums, Journals, Quizzes, Resources, Choices, Surveys, As ...
... A teacher administrator has full control over all settings for a course, including restricting other teachers Choice of course formats such as by week, by topic or a discussion-focused social format Flexible array of course activities: Forums, Journals, Quizzes, Resources, Choices, Surveys, As ...
Remote Batch Invocation for SQL Databases
... Figure 5 illustrates the use of dynamic queries in LINQ and Batch2SQL. A query is dynamic if the structure of the query (for example, the conditions in the where clause) vary at runtime, rather than being static. The example corresponds to the common case of generic search criteria on a web page. If ...
... Figure 5 illustrates the use of dynamic queries in LINQ and Batch2SQL. A query is dynamic if the structure of the query (for example, the conditions in the where clause) vary at runtime, rather than being static. The example corresponds to the common case of generic search criteria on a web page. If ...
An Analytic Data Warehouse for Ad-hoc Queries
... also used, e.g., to improve the flow of data being decompressed, as well as to iteratively refine Knowledge Nodebased information to better assist with dynamic optimization of query execution. With this respect, one should also refer to the principles of adaptive query processing [4, 12]. As mention ...
... also used, e.g., to improve the flow of data being decompressed, as well as to iteratively refine Knowledge Nodebased information to better assist with dynamic optimization of query execution. With this respect, one should also refer to the principles of adaptive query processing [4, 12]. As mention ...
A Relation Database Structure for Life Cycle Assessments
... further away. For example the steel used in a product of a company has a well known deliverer, while the coal used for producing electricity on the net may only be known as coming from the "world market". The technological system may have a local or global extension in space, but is rather limited r ...
... further away. For example the steel used in a product of a company has a well known deliverer, while the coal used for producing electricity on the net may only be known as coming from the "world market". The technological system may have a local or global extension in space, but is rather limited r ...
Advanced Database Techniques 2010
... • Query benchmark suite aimed at performance of – Selec7on with different selec7vity values – Projec7on with different percentage of duplicates – Single and mul7ple joins – Simple aggregates and aggregate func7ons ...
... • Query benchmark suite aimed at performance of – Selec7on with different selec7vity values – Projec7on with different percentage of duplicates – Single and mul7ple joins – Simple aggregates and aggregate func7ons ...