RTS Inc.
... Data Pump • A server-managed data transportation tool • Direct load/extract capabilities • Very high performance/efficient with large data Data sets Pump Client Data • Replacement for exp/imp Pump • old exp/imp remain supported Data Warehouse ...
... Data Pump • A server-managed data transportation tool • Direct load/extract capabilities • Very high performance/efficient with large data Data sets Pump Client Data • Replacement for exp/imp Pump • old exp/imp remain supported Data Warehouse ...
echo ""
... PRIMARY KEY keywords when you first define a field with the CREATE TABLE statement The AUTO_INCREMENT keyword is often used with a primary key to generate a unique ID for each new row in a table ...
... PRIMARY KEY keywords when you first define a field with the CREATE TABLE statement The AUTO_INCREMENT keyword is often used with a primary key to generate a unique ID for each new row in a table ...
Slide 1
... − CACHE & NO CACHE: To improve performance, DB2 allocates a block of sequence values at the job or connection level. − ORDER & NO ORDER: ORDER ensures that values are returned in the actual order that they are requested independent of the job or connection. NO ORDER is the default. ...
... − CACHE & NO CACHE: To improve performance, DB2 allocates a block of sequence values at the job or connection level. − ORDER & NO ORDER: ORDER ensures that values are returned in the actual order that they are requested independent of the job or connection. NO ORDER is the default. ...
teradata utilities - dbmanagement.info
... and stores it on your desktop. Enables users to combine data retrieved from ODBC-based databases with desktop applications (e.g. Excel). ...
... and stores it on your desktop. Enables users to combine data retrieved from ODBC-based databases with desktop applications (e.g. Excel). ...
Slides from Lecture 16 - Courses - University of California, Berkeley
... instances. Each instance has the same collection of named attributes, and each attribute is of a specific type. Furthermore, each instance has a permanent object identifier (OID) that is unique throughout the installation. Because SQL syntax refers to tables, we will use the terms table and class in ...
... instances. Each instance has the same collection of named attributes, and each attribute is of a specific type. Furthermore, each instance has a permanent object identifier (OID) that is unique throughout the installation. Because SQL syntax refers to tables, we will use the terms table and class in ...
Kroenke-DBP-e10-PPT-Chapter09-Part02
... • Data repositories are collections of metadata about users, databases, and its applications • The repository may be – Virtual as it is composed of metadata from many different sources: DBMS, code libraries, Web page generation and editing ...
... • Data repositories are collections of metadata about users, databases, and its applications • The repository may be – Virtual as it is composed of metadata from many different sources: DBMS, code libraries, Web page generation and editing ...
Curated Databases - School of Engineering
... readable and thus amenable to data extraction tools, such as query languages that are common for databases. Socially, curated databases differ from wikis in that the curation process is usually more heavily orchestrated in the latter. However, there is much to be gained by trying to combine the bes ...
... readable and thus amenable to data extraction tools, such as query languages that are common for databases. Socially, curated databases differ from wikis in that the curation process is usually more heavily orchestrated in the latter. However, there is much to be gained by trying to combine the bes ...
Customer table
... Create a blank database (use any name you like) And then, import the three Excel Worksheets (Course, Instructor, and Membership) from the class web site into your Access database. Define each imported table’s primary key using ...
... Create a blank database (use any name you like) And then, import the three Excel Worksheets (Course, Instructor, and Membership) from the class web site into your Access database. Define each imported table’s primary key using ...
Chapter 27.ppt
... The main function of the database connectivity feature of AutoCAD is to associate data from external sources with its graphical objects. You can establish the association of the database table with the drawing objects by developing a link, which will make reference to one or more records from the ta ...
... The main function of the database connectivity feature of AutoCAD is to associate data from external sources with its graphical objects. You can establish the association of the database table with the drawing objects by developing a link, which will make reference to one or more records from the ta ...
introductory database concepts
... access to its structure through the same tools that are used to access the data. This is usually accomplished by storing the structure definition within special system tables. • Rule 5: Comprehensive Data Sublanguage Rule. The database must support at least one clearly defined language that includes ...
... access to its structure through the same tools that are used to access the data. This is usually accomplished by storing the structure definition within special system tables. • Rule 5: Comprehensive Data Sublanguage Rule. The database must support at least one clearly defined language that includes ...
database - COP4708
... • 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 ...
Materialized Views
... • However, in some scenarios, you can create a fastrefreshable MV when you reference two tables that are joined together in the MV query. • Use the EXPLAIN_MVIEW procedure of the DBMS_MVIEW to determine whether it’s possible to fastrefresh a complex query. ...
... • However, in some scenarios, you can create a fastrefreshable MV when you reference two tables that are joined together in the MV query. • Use the EXPLAIN_MVIEW procedure of the DBMS_MVIEW to determine whether it’s possible to fastrefresh a complex query. ...
Concepts of Database Management Sixth Edition
... upper pane of Query window To make the same change to all records that satisfy certain criteria, use an update query To delete all records that satisfy certain criteria, use a delete query To save the results of a query as a table, use a make-table query Relational algebra is a theoretical method of ...
... upper pane of Query window To make the same change to all records that satisfy certain criteria, use an update query To delete all records that satisfy certain criteria, use a delete query To save the results of a query as a table, use a make-table query Relational algebra is a theoretical method of ...
Query - NCNU Moodle 課程
... • To indicate AND criteria in an Access query, place both criteria in the same Criteria row of the design grid; to indicate OR criteria, place criteria on separate Criteria rows of the design grid • To create a computed field in Access, enter expression in the desired column of design grid • To use ...
... • To indicate AND criteria in an Access query, place both criteria in the same Criteria row of the design grid; to indicate OR criteria, place criteria on separate Criteria rows of the design grid • To create a computed field in Access, enter expression in the desired column of design grid • To use ...
PDF
... possible to provide realistic estimates on the costs of UDFs. A query executing on large tables and using costly UDFs will execute long enough that considerable fluctuations in resource availability will be observed while the query is running. As a consequence, the relative weights associated with d ...
... possible to provide realistic estimates on the costs of UDFs. A query executing on large tables and using costly UDFs will execute long enough that considerable fluctuations in resource availability will be observed while the query is running. As a consequence, the relative weights associated with d ...
Lecture slide
... • Schema: Description of data at some abstraction level. Each level has its own schema. • We will be concerned with three schemas: physical, conceptual, and external. ...
... • Schema: Description of data at some abstraction level. Each level has its own schema. • We will be concerned with three schemas: physical, conceptual, and external. ...
PDF
... CA-IDMS refers to the complete line of systems software products in the IDMS product family. This document covers Release 12.0 features for these CA-IDMS products: ■ CA-IDMS/DB ■ CA-IDMS/DC ■ CA-IDMS/UCF ■ CA-IDMS Performance Monitor ■ CA-ADS and the Mapping Facility ■ CA-Culprit ■ CA-OLQ ■ CA-IC ...
... CA-IDMS refers to the complete line of systems software products in the IDMS product family. This document covers Release 12.0 features for these CA-IDMS products: ■ CA-IDMS/DB ■ CA-IDMS/DC ■ CA-IDMS/UCF ■ CA-IDMS Performance Monitor ■ CA-ADS and the Mapping Facility ■ CA-Culprit ■ CA-OLQ ■ CA-IC ...
Introduction to Techniques of Query Processing and
... the same query and chooses one the best candidate for further execution process. To creating different alternatives and to compare with them and to select one from them in an efficient way, makes query optimization complicated. It is worth nothing some additional differences between query modificati ...
... the same query and chooses one the best candidate for further execution process. To creating different alternatives and to compare with them and to select one from them in an efficient way, makes query optimization complicated. It is worth nothing some additional differences between query modificati ...
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 ...
