Week 9 - Purdue Engineering
... – Relational schema obtained from ER diagram is a good first step. But ER design subjective & can’t express certain constraints; so this relational schema may need refinement. ...
... – Relational schema obtained from ER diagram is a good first step. But ER design subjective & can’t express certain constraints; so this relational schema may need refinement. ...
www.cs.laurentian.ca
... Other operations drill across: executes queries involving (across) more than one fact table drill through: the bottom level of a data cube to its back-end relational tables (using SQL) Ranking the top N or bottom N items in lists, computing averages, growth rates, interests, internal rates of ...
... Other operations drill across: executes queries involving (across) more than one fact table drill through: the bottom level of a data cube to its back-end relational tables (using SQL) Ranking the top N or bottom N items in lists, computing averages, growth rates, interests, internal rates of ...
- Courses - University of California, Berkeley
... Standards: XML/SQL • In addition the standard says that XMLSchemas must be generated for each table, and also allows relations to be managed by nesting records from tables in the XML. • Variants of this are incorporated into the latest versions of ORACLE • But what if you want to deal with more com ...
... Standards: XML/SQL • In addition the standard says that XMLSchemas must be generated for each table, and also allows relations to be managed by nesting records from tables in the XML. • Variants of this are incorporated into the latest versions of ORACLE • But what if you want to deal with more com ...
lecture 15
... If you say 1:1, then only the current marriage for people is of interest in your miniworld. A recursive 1:1 relationship allows two entities of the same entity set to be related, but a given entity can only be related to one other entity. Consider the following figure, where we illustrate 5 persons ...
... If you say 1:1, then only the current marriage for people is of interest in your miniworld. A recursive 1:1 relationship allows two entities of the same entity set to be related, but a given entity can only be related to one other entity. Consider the following figure, where we illustrate 5 persons ...
DB2 Version 9.5
... or the DECFLOAT function) can be used for values beyond the ranges of DECIMAL or DOUBLE up to the range of DECFLOAT(34). There is currently no support for a numeric literal that ends in either D or F, representing 64-bit binary floating-point and 32-bit binary floating-point values, respectively. A ...
... or the DECFLOAT function) can be used for values beyond the ranges of DECIMAL or DOUBLE up to the range of DECFLOAT(34). There is currently no support for a numeric literal that ends in either D or F, representing 64-bit binary floating-point and 32-bit binary floating-point values, respectively. A ...
Database Processing, 12e (Kroenke/Auer)
... 91) What is the purpose of a database, and how does the database accomplish this purpose? Answer: The purpose of a database is to help people keep track of things. It accomplishes this purpose by storing data in tables. Each table has rows and columns, similar to a spreadsheet. A database usually ha ...
... 91) What is the purpose of a database, and how does the database accomplish this purpose? Answer: The purpose of a database is to help people keep track of things. It accomplishes this purpose by storing data in tables. Each table has rows and columns, similar to a spreadsheet. A database usually ha ...
mapping variables
... incremental aggregation, it passes new source data through the mapping and uses historical cache data to perform new aggregation calculations incrementally. 2. Filter The Filter transformation provides the means for filtering rows in a mapping. You pass all the rows from a source transformation thro ...
... incremental aggregation, it passes new source data through the mapping and uses historical cache data to perform new aggregation calculations incrementally. 2. Filter The Filter transformation provides the means for filtering rows in a mapping. You pass all the rows from a source transformation thro ...
Regulatory Reporting System Technical White
... Each user’s desktop requires only a standard web browser configuration to access the RRS Home Page and related web forms. There are no other desktop configuration requirements (e.g., no ActiveX objects.) Solutions Atlantic’s standard development methodology enforces clean separation between presenta ...
... Each user’s desktop requires only a standard web browser configuration to access the RRS Home Page and related web forms. There are no other desktop configuration requirements (e.g., no ActiveX objects.) Solutions Atlantic’s standard development methodology enforces clean separation between presenta ...
ppt
... single set-oriented query Set orientation -> fewer calls to database E.g., tune program that computes total salary for each department using a separate SQL query by instead using a single query that computes total salaries for all department at once (using group by) Use stored procedures: avoi ...
... single set-oriented query Set orientation -> fewer calls to database E.g., tune program that computes total salary for each department using a separate SQL query by instead using a single query that computes total salaries for all department at once (using group by) Use stored procedures: avoi ...
幻灯片 1 - 这是一个测试
... Contain textual information that represents the attributes of the business Contain relatively static data Are joined to a fact table through a foreign key reference ...
... Contain textual information that represents the attributes of the business Contain relatively static data Are joined to a fact table through a foreign key reference ...
PHP
... PHP uses a similar coding style to other server-side scripting languages (ASP, JSP, Cold Fusion) ...
... PHP uses a similar coding style to other server-side scripting languages (ASP, JSP, Cold Fusion) ...
What is Table Partitioning? - SQL Server Consultation
... Table partitioning consists in a technique adopted by some database management systems to deal with large databases. Instead of a single table storage location, they split your table in several files for quicker queries. If you have a table which will store large amounts of data (I mean REALLY large ...
... Table partitioning consists in a technique adopted by some database management systems to deal with large databases. Instead of a single table storage location, they split your table in several files for quicker queries. If you have a table which will store large amounts of data (I mean REALLY large ...
Physical Database Design(1)
... search keys are small. (Portion of index structure used to direct search is much smaller than with Alternative 1.) If more than one index is required on a given file, at most one index can use Alternative 1; rest must use Alternatives 2 or 3. Alternative 3 more compact than Alternative 2, but le ...
... search keys are small. (Portion of index structure used to direct search is much smaller than with Alternative 1.) If more than one index is required on a given file, at most one index can use Alternative 1; rest must use Alternatives 2 or 3. Alternative 3 more compact than Alternative 2, but le ...
Converting to Transparent Data Encryption with Oracle Data Guard
... become a significant concern. The Oracle Cloud also requires that production databases be encrypted using Oracle Advanced Security Transparent Data Encryption (TDE). To minimize downtime required to encrypt an unencrypted database either for migration to the cloud or to provide additional security f ...
... become a significant concern. The Oracle Cloud also requires that production databases be encrypted using Oracle Advanced Security Transparent Data Encryption (TDE). To minimize downtime required to encrypt an unencrypted database either for migration to the cloud or to provide additional security f ...
download
... roles. Role names are omitted when there are no ambiguity. If an entity plays more than one role in a relationship, that relationship is said recursive and role names are mandatory. Figure 1 (a) shows a recursive relationship : supervises is defined on Professor, who plays the roles of a supervisor ...
... roles. Role names are omitted when there are no ambiguity. If an entity plays more than one role in a relationship, that relationship is said recursive and role names are mandatory. Figure 1 (a) shows a recursive relationship : supervises is defined on Professor, who plays the roles of a supervisor ...
PDF
... design processes they support. By contrast, there are still relatively few papers on schema evolution in distributed systems―possibly a good opportunity for future research. ...
... design processes they support. By contrast, there are still relatively few papers on schema evolution in distributed systems―possibly a good opportunity for future research. ...
A Unified Data Model for Representing Multimedia, Timeline
... Attributes may be atomic or complex. Atomic attributes are thought of as the “basic data types” within the system: numbers, characters, strings, etc. In addition, images and audio data are also considered atomic in this work. Complex attributes are attributes whose values are, in themselves, also en ...
... Attributes may be atomic or complex. Atomic attributes are thought of as the “basic data types” within the system: numbers, characters, strings, etc. In addition, images and audio data are also considered atomic in this work. Complex attributes are attributes whose values are, in themselves, also en ...
Arttu Räsänen Data acquisition system and web user interface
... overview about the theoretical background of the technologies and processes that were used during the development of the thesis. This chapter introduces measurement technology in automation systems, measuring devices and background ...
... overview about the theoretical background of the technologies and processes that were used during the development of the thesis. This chapter introduces measurement technology in automation systems, measuring devices and background ...
Document
... Triggers can be used to record actions-to-be-taken in a separate table, and we can have an external process that repeatedly scans the table and carries out external-world actions. E.g. Suppose a warehouse has the following tables ...
... Triggers can be used to record actions-to-be-taken in a separate table, and we can have an external process that repeatedly scans the table and carries out external-world actions. E.g. Suppose a warehouse has the following tables ...
An Online Bibliography on Schema Evolution
... design processes they support. By contrast, there are still relatively few papers on schema evolution in distributed systems―possibly a good opportunity for future research. ...
... design processes they support. By contrast, there are still relatively few papers on schema evolution in distributed systems―possibly a good opportunity for future research. ...
Data Sheet
... (measured with Oracle Linux running on Intel Xeon E5-2680 2.7GHz processors). Consequently, throughput is measured in tens to hundreds of thousands of transactions per second, using commodity hardware. ...
... (measured with Oracle Linux running on Intel Xeon E5-2680 2.7GHz processors). Consequently, throughput is measured in tens to hundreds of thousands of transactions per second, using commodity hardware. ...
Day 3 AND Day 4 Topics Privileges Enhancements Implementing
... Implementing Separation of Duty for Database Administration Tasks For better separation of duty, Oracle Database now provides task-specific privileges to handle standard administration duties for Oracle Recovery Manager (Oracle RMAN), Oracle Data Guard, and Transparent Data Encryption. The new p ...
... Implementing Separation of Duty for Database Administration Tasks For better separation of duty, Oracle Database now provides task-specific privileges to handle standard administration duties for Oracle Recovery Manager (Oracle RMAN), Oracle Data Guard, and Transparent Data Encryption. The new p ...
Optimizing Large Data Handling in SAP ASE for Better
... In today’s fast-paced and competitive world, insights derived from data enables organizations to make the right decisions at the right time, optimize their operations, and provide better products and services to customers. Traditional database growth has been attributed to various factors, including ...
... In today’s fast-paced and competitive world, insights derived from data enables organizations to make the right decisions at the right time, optimize their operations, and provide better products and services to customers. Traditional database growth has been attributed to various factors, including ...
kroenke_dbp11e_ch01
... • To define and understand database design from existing data • To define and understand database design as new systems development • To define and understand database design in database redesign • To understand the history and development of database processing KROENKE AND AUER - DATABASE PROCESSIN ...
... • To define and understand database design from existing data • To define and understand database design as new systems development • To define and understand database design in database redesign • To understand the history and development of database processing KROENKE AND AUER - DATABASE PROCESSIN ...
A Methodology for Database System Performance Evaluation
... our measure of degree of data sharing. If the degree of data sharing is 0%, there is no data sharing amongst the concurrently executing queries and each query will reference its own partition of the database (or a separate database). Furthermore, all queries from the same application will reference ...
... our measure of degree of data sharing. If the degree of data sharing is 0%, there is no data sharing amongst the concurrently executing queries and each query will reference its own partition of the database (or a separate database). Furthermore, all queries from the same application will reference ...