- Courses - University of California, Berkeley
... 1. A written description of the data you will be using for the database, and what uses you might expect the database to have. (2-4 pages) 2. A preliminary data dictionary for the entities and attributes and format of the data elements of the database. You should have at least 5 entities with some lo ...
... 1. A written description of the data you will be using for the database, and what uses you might expect the database to have. (2-4 pages) 2. A preliminary data dictionary for the entities and attributes and format of the data elements of the database. You should have at least 5 entities with some lo ...
extract
... enable queries to read just the attributes they need, rather than having to read entire rows from disk and discard unneeded attributes once they are in memory. A similar benefit is true while transferring data from main memory to CPU registers, improving the overall utilization of the available I/O ...
... enable queries to read just the attributes they need, rather than having to read entire rows from disk and discard unneeded attributes once they are in memory. A similar benefit is true while transferring data from main memory to CPU registers, improving the overall utilization of the available I/O ...
ActiveX Data Objects (ADO) is Microsoft`s latest database object
... adUseClient -Uses client-side cursors supplied by a local cursor. Use for desktop applications. adUseServer - Default. Uses data-provider or driver-supplied cursors. These cursors are sometimes very flexible and allow for additional sensitivity to changes others make to the data source. However, som ...
... adUseClient -Uses client-side cursors supplied by a local cursor. Use for desktop applications. adUseServer - Default. Uses data-provider or driver-supplied cursors. These cursors are sometimes very flexible and allow for additional sensitivity to changes others make to the data source. However, som ...
Case study 29 | Databases and the edge for FreshDirect for students
... Founded in 1999, FreshDirect, an online grocer offering next‐day delivery, sell fresh food, plus popular grocery brands for up to 25% less than supermarket prices and deliver right to customer doors. The edge for FreshDirect, says CEO Braddock, is its extensive database where it can gather more ...
... Founded in 1999, FreshDirect, an online grocer offering next‐day delivery, sell fresh food, plus popular grocery brands for up to 25% less than supermarket prices and deliver right to customer doors. The edge for FreshDirect, says CEO Braddock, is its extensive database where it can gather more ...
Document
... from lover-level implementation issues • ‘Hide the implementation from users’ • Forms: ...
... from lover-level implementation issues • ‘Hide the implementation from users’ • Forms: ...
Advanced Database Applications
... the underlying protocol. However, TCP/IP and HTTP were not designed with security in mind. Without special software, all Internet traffic travels ‘in the clear’ and anyone who monitors traffic can read it. ...
... the underlying protocol. However, TCP/IP and HTTP were not designed with security in mind. Without special software, all Internet traffic travels ‘in the clear’ and anyone who monitors traffic can read it. ...
Database System Concepts and Architecture
... 2.1.2 Schemas, Instances, and Database State In any data model, it is important to distinguish between the description of the database and the database itself. The description of a database is called the database schema, which is specified during database design and is not expected to change ...
... 2.1.2 Schemas, Instances, and Database State In any data model, it is important to distinguish between the description of the database and the database itself. The description of a database is called the database schema, which is specified during database design and is not expected to change ...
Review 1
... • If a relation schema has more than one key, each of them is called a candidate key. • one candidate key is chosen as the primary key (PK) • foreign key (FK) is defined as follows: i) Consider two relation schemas R1 and R2; ii) The attributes in FK in R1 have the same domain(s) as the primary key ...
... • If a relation schema has more than one key, each of them is called a candidate key. • one candidate key is chosen as the primary key (PK) • foreign key (FK) is defined as follows: i) Consider two relation schemas R1 and R2; ii) The attributes in FK in R1 have the same domain(s) as the primary key ...
Opening the Lines of Communication between Revit
... multiple locations and allows the change of data in one place to affect all other instances of the data; hence, the whole idea behind a parametric model. But what happens when the data analysis tool or modeling system resides in a separate application? Rather than have multiple sets of data in multi ...
... multiple locations and allows the change of data in one place to affect all other instances of the data; hence, the whole idea behind a parametric model. But what happens when the data analysis tool or modeling system resides in a separate application? Rather than have multiple sets of data in multi ...
Chapter Notes
... Kerberos was developed by the to enable two parties to exchange information over an open network by assigning a unique key, called a ticket, to each user. This ticket is used to encrypt communicated message. Lightweight Directory Access Protocol (LDAP) LDAP is an authentication method uses a central ...
... Kerberos was developed by the to enable two parties to exchange information over an open network by assigning a unique key, called a ticket, to each user. This ticket is used to encrypt communicated message. Lightweight Directory Access Protocol (LDAP) LDAP is an authentication method uses a central ...
MicroStrategy,Terminology
... A MicroStrategy object that specifies the conditions that the data must meet to be included in the report results. Using a filter on a report narrows the data to consider only the information that ...
... A MicroStrategy object that specifies the conditions that the data must meet to be included in the report results. Using a filter on a report narrows the data to consider only the information that ...
3APPT11ACT01e
... Creating a simple query in the Design View In this activity, we are going to create queries in the Design View which will extract records from the tables ‘CPU’. 1. Copy the database file ch11_01.mdb from the Learning CD-ROM to the hard disk. 2. Start Microsoft Access and open the database file ch11_ ...
... Creating a simple query in the Design View In this activity, we are going to create queries in the Design View which will extract records from the tables ‘CPU’. 1. Copy the database file ch11_01.mdb from the Learning CD-ROM to the hard disk. 2. Start Microsoft Access and open the database file ch11_ ...
Essbase - dbmanagement.info
... The fast, efficient exploration of business data across multiple perspectives. January gross sales for all products and all customers in the current year ...
... The fast, efficient exploration of business data across multiple perspectives. January gross sales for all products and all customers in the current year ...
7. Decision Trees and Decision Rules
... When two variables are not linearly correlated, it does not mean that they are not linearly correlated in the some local region. For example, temperature and electrical energy consumption are not linearly correlated, but the linear correlation is negative in winter and positive in summer. So the lin ...
... When two variables are not linearly correlated, it does not mean that they are not linearly correlated in the some local region. For example, temperature and electrical energy consumption are not linearly correlated, but the linear correlation is negative in winter and positive in summer. So the lin ...
Customer table
... Instructor Last name, Instructor First name, and the Salary Amount for only those employees who make between $39,500 and $55,000. In addition, the resulting salaries must also be placed in order from high salary to low salaries. ...
... Instructor Last name, Instructor First name, and the Salary Amount for only those employees who make between $39,500 and $55,000. In addition, the resulting salaries must also be placed in order from high salary to low salaries. ...
\input /u/ullman/doc/nmacs
... 1. Classes without relationships: like entity set, but several new problems arise. 2. Classes with relationships: Treat the relationship separately, as in E/R. b) Attach a many-one relationship to the relation for the “many.” a) ...
... 1. Classes without relationships: like entity set, but several new problems arise. 2. Classes with relationships: Treat the relationship separately, as in E/R. b) Attach a many-one relationship to the relation for the “many.” a) ...
Zacharewski Bioinformatics Group Large Object
... cousins to the LONG datatype, and are essentially just a size “unlimited” datatype storing bytes of data. LOBs come in two flavors: 1) BLOBs for binary large objects such as images, and 2) CLOBS for character large objects, such as raw-text manuscripts, abstracts, or mark-up files such as HTML and X ...
... cousins to the LONG datatype, and are essentially just a size “unlimited” datatype storing bytes of data. LOBs come in two flavors: 1) BLOBs for binary large objects such as images, and 2) CLOBS for character large objects, such as raw-text manuscripts, abstracts, or mark-up files such as HTML and X ...
JDBC basics lecture
... outlined in the ODBC document available on the course web site. For this course, please use a DSN of se452 for all of your assignments. ...
... outlined in the ODBC document available on the course web site. For this course, please use a DSN of se452 for all of your assignments. ...
Client Server
... Implemented as an add-on to Linux, and each node runs a copy of Linux, with kernel extensions for global namespaces Examples of Beowulf system software: Beowulf Distributed Process Space – Allow process ID space to span machines, provide single system image, start processes on ...
... Implemented as an add-on to Linux, and each node runs a copy of Linux, with kernel extensions for global namespaces Examples of Beowulf system software: Beowulf Distributed Process Space – Allow process ID space to span machines, provide single system image, start processes on ...
Joins and subqueries
... statements The subquery introduced with IN or NOT IN returns zero or more values The subquery used with the EXISTS clause returns data in terms of TRUE or FALSE SQL/Lesson 4/Slide 38 of 45 ...
... statements The subquery introduced with IN or NOT IN returns zero or more values The subquery used with the EXISTS clause returns data in terms of TRUE or FALSE SQL/Lesson 4/Slide 38 of 45 ...