슬라이드 1
... Sales department & production department use different names for the same product. Prod_Name’s are used twice If the cost is inserted in Product1, application program that used Product1 should be changed. ...
... Sales department & production department use different names for the same product. Prod_Name’s are used twice If the cost is inserted in Product1, application program that used Product1 should be changed. ...
Database Application Assignment
... • “for high-level graphical descriptions of of conceptual data models --especially for relational database systems.” • Entity=table, attributes=fields, • multi-field attributes=table with values (and ID’s, definitions) • Relationships=relationships (1-1, 1many) ...
... • “for high-level graphical descriptions of of conceptual data models --especially for relational database systems.” • Entity=table, attributes=fields, • multi-field attributes=table with values (and ID’s, definitions) • Relationships=relationships (1-1, 1many) ...
NoSQL Databases
... Carlo Strozzi first used the term NoSQL in 1998 as a name for his open source relational database that did not offer a SQL interface The term was reintroduced in 2009 by Eric Evans in conjunction with an event discussing open source distributed databases NoSQL stands for “Not Only SQL” ...
... Carlo Strozzi first used the term NoSQL in 1998 as a name for his open source relational database that did not offer a SQL interface The term was reintroduced in 2009 by Eric Evans in conjunction with an event discussing open source distributed databases NoSQL stands for “Not Only SQL” ...
PPT
... Big Data Analytics research • Input? BIG DATA (large data sets, large files, many documents, many tables, fast growing) • How? Fast external algorithms; memory-efficient data structures at two storage levels; parallel: multi-threaded or multi-node • Efficiency goal: linear time O(n) and linear spee ...
... Big Data Analytics research • Input? BIG DATA (large data sets, large files, many documents, many tables, fast growing) • How? Fast external algorithms; memory-efficient data structures at two storage levels; parallel: multi-threaded or multi-node • Efficiency goal: linear time O(n) and linear spee ...
Chapter 4 Exercise
... A) It, typically, contains both internal and external data B) It, typically, contains both current and historical data C) Its content is used to support business analysis activities as well as decisionmaking tasks. D) All of the above In a table, the field values represent A) the name assigned to th ...
... A) It, typically, contains both internal and external data B) It, typically, contains both current and historical data C) Its content is used to support business analysis activities as well as decisionmaking tasks. D) All of the above In a table, the field values represent A) the name assigned to th ...
Introduction to SQL
... Introduction to SQL Nonprocedural means what rather than how. For example, SQL describes what data to retrieve, delete, or insert, rather than how to perform the operation. Two standards organizations, the American National Standards Institute (ANSI) and the International Standards Organization ( ...
... Introduction to SQL Nonprocedural means what rather than how. For example, SQL describes what data to retrieve, delete, or insert, rather than how to perform the operation. Two standards organizations, the American National Standards Institute (ANSI) and the International Standards Organization ( ...
Purposes of databases - VCE IT Lecture Notes by Mark Kelly
... • DBMS (Database Management System) is software that creates and manages databases. E.g. Access, Filemaker, SQL. • Let’s use their names carefully, OK? ...
... • DBMS (Database Management System) is software that creates and manages databases. E.g. Access, Filemaker, SQL. • Let’s use their names carefully, OK? ...
Concurrency Control - High Point University
... ACID attributes • Atomic – Group one or more changes into an all or nothing operation • Consistency – during a transaction it may violate integrity rules, but no other transaction can see it and it eliminated before ending • Isolation- Appear that transaction is running by itself (invisible to all ...
... ACID attributes • Atomic – Group one or more changes into an all or nothing operation • Consistency – during a transaction it may violate integrity rules, but no other transaction can see it and it eliminated before ending • Isolation- Appear that transaction is running by itself (invisible to all ...
Create All Those Tables and Call PROC SQL Once!
... Well, if you are using pass-thru SQL, and have SAS/ACCESS licensed for the particular database you are using, and only have one or two calls to the database, it may not be worthwhile. But since the macro has been written as a shell, it only takes a few minutes to customize it to your particular need ...
... Well, if you are using pass-thru SQL, and have SAS/ACCESS licensed for the particular database you are using, and only have one or two calls to the database, it may not be worthwhile. But since the macro has been written as a shell, it only takes a few minutes to customize it to your particular need ...
Database
... These fields are called foreign keys – the secret to a relational database A foreign key is a field, or group of fields, in one table that is the primary key of another table ...
... These fields are called foreign keys – the secret to a relational database A foreign key is a field, or group of fields, in one table that is the primary key of another table ...
Database Development
... Database vs File Processing Main purpose of database Database Actors DBA, Database Designers, Database users, Application Programmer ...
... Database vs File Processing Main purpose of database Database Actors DBA, Database Designers, Database users, Application Programmer ...
slides
... to expose active research issues in distributed database systems and application development. ...
... to expose active research issues in distributed database systems and application development. ...
IS605/606: Information Systems Instructor: Dr. Boris Jukic
... Old way: Webmaster encodes a document in in html and posts it as a file on the corporate web server ...
... Old way: Webmaster encodes a document in in html and posts it as a file on the corporate web server ...
Entity
... A company has a number of employees. The attributes of EMPLOYEE include NAME, ADDRESS, and BIRTHDATE. The company also has several projects. The attributes of Project include PROJECT_CODE, DESCRIPTION, and START_DATE. Each employee may be assigned to one or more projects, or may not be assigned to a ...
... A company has a number of employees. The attributes of EMPLOYEE include NAME, ADDRESS, and BIRTHDATE. The company also has several projects. The attributes of Project include PROJECT_CODE, DESCRIPTION, and START_DATE. Each employee may be assigned to one or more projects, or may not be assigned to a ...
ch01
... in it satisfies all established integrity constraints. A good DBMS should provide an opportunity for users to incorporate these integrity constraints when they design the database. The DBMS then should ensure that these constraints are not violated. ...
... in it satisfies all established integrity constraints. A good DBMS should provide an opportunity for users to incorporate these integrity constraints when they design the database. The DBMS then should ensure that these constraints are not violated. ...
Initiates file download
... The classification used is: PRODCOM (CPA/NACE) PRODuction COMmunautaire (EUROSTAT). We use national version of PRODCOM, which is more accurate than the EU version ...
... The classification used is: PRODCOM (CPA/NACE) PRODuction COMmunautaire (EUROSTAT). We use national version of PRODCOM, which is more accurate than the EU version ...
Database Consultant Resume Santa Monica, CA
... - Successfully managed a large team of talented developers in the redesign of TSER UI. The new UI was highly praised for its improved usability and inter-operability to 3rd party tools. - Established an efficient and thorough screening process that identified candidates of the highest caliber with m ...
... - Successfully managed a large team of talented developers in the redesign of TSER UI. The new UI was highly praised for its improved usability and inter-operability to 3rd party tools. - Established an efficient and thorough screening process that identified candidates of the highest caliber with m ...
Slide 1
... Humans can discern vague similarities and differences among data fairly easily. Computers are more exacting. Computers need you to tell them when data is a date, or a character, or a number. A zero is not the same as a blank which is not the same as a null. A null is a special character assigned to ...
... Humans can discern vague similarities and differences among data fairly easily. Computers are more exacting. Computers need you to tell them when data is a date, or a character, or a number. A zero is not the same as a blank which is not the same as a null. A null is a special character assigned to ...
Database System (DBS)
... Relational DBMS companies – Oracle, Sybase – are among the largest software companies in the world. IBM offers its relational DB2 system. With IMS, a nonrelational system, IBM is by some accounts the largest DBMS vendor in the world. Microsoft offers SQL-Server, plus Microsoft Access for the cheap D ...
... Relational DBMS companies – Oracle, Sybase – are among the largest software companies in the world. IBM offers its relational DB2 system. With IMS, a nonrelational system, IBM is by some accounts the largest DBMS vendor in the world. Microsoft offers SQL-Server, plus Microsoft Access for the cheap D ...
Information Technology Module for Managers Structured Query
... over a local area network with database servers that store shared data. Many new applications are using this client/server architecture, which minimizes network traffic and allows both PCs and servers to do what they do best. SQL is a distributed database language. Distributed database management sy ...
... over a local area network with database servers that store shared data. Many new applications are using this client/server architecture, which minimizes network traffic and allows both PCs and servers to do what they do best. SQL is a distributed database language. Distributed database management sy ...
HW2 due(ch2)
... A) It is the act of outsourcing tasks, traditionally performed by an employee or contractor, to an undefined, large group of people or community, through the use of information technology. B) It is the process by which a customer-owned mutual organization or co-operative changes legal form to a join ...
... A) It is the act of outsourcing tasks, traditionally performed by an employee or contractor, to an undefined, large group of people or community, through the use of information technology. B) It is the process by which a customer-owned mutual organization or co-operative changes legal form to a join ...