NetIntel: A Database for Manipulation of Rich Social Network Data
... has operated on a notion of a dataset - a clearly delimited and pruned set of observations that have been encoded and parameterized using a particular set of assumptions or policies. In such a dataset the entities are represented as nodes, and the relations between them as edges or links. The datase ...
... has operated on a notion of a dataset - a clearly delimited and pruned set of observations that have been encoded and parameterized using a particular set of assumptions or policies. In such a dataset the entities are represented as nodes, and the relations between them as edges or links. The datase ...
Two Commodity Scaleable Servers:a Billion Transactions
... fault-tolerant nodes with our Wolfpack clustering technology as a scaleout project. Microsoft, working closely with Intel and Compaq, built a 45-node cluster capable of running more than a billion transactions per day using Microsoft Transaction server (MTS) and a 2.4 terabyte Microsoft SQL Server d ...
... fault-tolerant nodes with our Wolfpack clustering technology as a scaleout project. Microsoft, working closely with Intel and Compaq, built a 45-node cluster capable of running more than a billion transactions per day using Microsoft Transaction server (MTS) and a 2.4 terabyte Microsoft SQL Server d ...
Database Concepts
... Client / Server over TCP/IP Connect to database using: host/IP, port number, logon, password Client software used to manage data/meta data on server Everything can be expressed in SQL! ...
... Client / Server over TCP/IP Connect to database using: host/IP, port number, logon, password Client software used to manage data/meta data on server Everything can be expressed in SQL! ...
The Lisbon Team - 8 December 2003 The CondDBTable What is the
... The CondDBTable is a transient object. It is possible to update it in memory and then commit it to the database (the CondDB persistent storage facility). the table structure is easily mapped from memory to database Database know about the object structure Restricted Transient model to support the Re ...
... The CondDBTable is a transient object. It is possible to update it in memory and then commit it to the database (the CondDB persistent storage facility). the table structure is easily mapped from memory to database Database know about the object structure Restricted Transient model to support the Re ...
More SQL
... • What indexes should we build to speed up the workload ? • FROM/WHERE clauses favor an index • INSERT/UPDATE clauses discourage an index • Index selection = normally done by people, recently done automatically (SQL Server) ...
... • What indexes should we build to speed up the workload ? • FROM/WHERE clauses favor an index • INSERT/UPDATE clauses discourage an index • Index selection = normally done by people, recently done automatically (SQL Server) ...
Oracle 9i Constraints Summary by Robert Phillips Updated February
... will result in an exception (e.g. you cannot delete the CPSC row from the majors table if there are students in the students table that have CPSC designated as their Major). As an alternative, the semantics of a system may specify that when a parent row is deleted that all child rows with that forei ...
... will result in an exception (e.g. you cannot delete the CPSC row from the majors table if there are students in the students table that have CPSC designated as their Major). As an alternative, the semantics of a system may specify that when a parent row is deleted that all child rows with that forei ...
Database Technology Topic 6: Triggers and Stored
... any) and the row operation both execute successfully If error during either a BEFORE or an AFTER trigger, the entire statement that activated the trigger fails ...
... any) and the row operation both execute successfully If error during either a BEFORE or an AFTER trigger, the entire statement that activated the trigger fails ...
Database System Concepts, 6 th Ed
... That is, for every pair of transactions Ti and Tj, it appears to Ti that either Tj, finished execution before Ti started, or Tj started execution after Ti finished. ...
... That is, for every pair of transactions Ti and Tj, it appears to Ti that either Tj, finished execution before Ti started, or Tj started execution after Ti finished. ...
SQL Server 2005
... • The witness & mirror server agree the primary is dead, which puts the database into a suspend state • If possible the database on the Primary server changes to a disconnected state • The mirror finishes rolling forward and records the LSN • The mirror database comes online ...
... • The witness & mirror server agree the primary is dead, which puts the database into a suspend state • If possible the database on the Primary server changes to a disconnected state • The mirror finishes rolling forward and records the LSN • The mirror database comes online ...
Final Presentation - San Jose State University
... It is a comprehensive computer storage system that is usually very slow, so it is usually used to archive data that is not accessed frequently. Holds data volumes in terabytes Used for databases much larger than what can be stored on disk ...
... It is a comprehensive computer storage system that is usually very slow, so it is usually used to archive data that is not accessed frequently. Holds data volumes in terabytes Used for databases much larger than what can be stored on disk ...
Week 14 - California State University, Sacramento
... Data Warehousing Characteristics • Subject-oriented - Organized around the major business subjects or entities, such as customers, order or products • Integrated - Operational (internal) data and external data are integrated into the data warehouse to provide a single unified database for decision ...
... Data Warehousing Characteristics • Subject-oriented - Organized around the major business subjects or entities, such as customers, order or products • Integrated - Operational (internal) data and external data are integrated into the data warehouse to provide a single unified database for decision ...
Database Intro - La Salle University
... presented to the user in different logical combinations, called views. Each view should support the same full range of data manipulation that direct-access to a table has available. In practice, providing update and delete access to logical views is difficult and is not fully supported by any curren ...
... presented to the user in different logical combinations, called views. Each view should support the same full range of data manipulation that direct-access to a table has available. In practice, providing update and delete access to logical views is difficult and is not fully supported by any curren ...
KYMENLAAKSON AMMATTIKORKEAKOULU University of Applied Sciences
... to keep records, whether it is books, products from some e-shop or security numbers. Everything is stored in some way to be used in future. However, in some cases we are facing the difficulty of storing large amount of data. Imagine the scenario, where it is needed to keep millions of records of pro ...
... to keep records, whether it is books, products from some e-shop or security numbers. Everything is stored in some way to be used in future. However, in some cases we are facing the difficulty of storing large amount of data. Imagine the scenario, where it is needed to keep millions of records of pro ...
PPT - Esri
... • be owned by the user registering the table. • have a single SDO_GEOMETRY column. • have no other columns of a user-defined type. • have a valid entry in the view USER_SDO_GEOM_METADATA. • have a single type of geometry (points, lines, or polygons), can be multipart. ...
... • be owned by the user registering the table. • have a single SDO_GEOMETRY column. • have no other columns of a user-defined type. • have a valid entry in the view USER_SDO_GEOM_METADATA. • have a single type of geometry (points, lines, or polygons), can be multipart. ...
Query Optimization
... Selection between attributes of the two arguments of a cross-product converts cross-product to a join. A selection on just attributes of R commutes with R S. (i.e., σ (R S) ≡ σ (R) ...
... Selection between attributes of the two arguments of a cross-product converts cross-product to a join. A selection on just attributes of R commutes with R S. (i.e., σ (R S) ≡ σ (R) ...
Component4/Unit 6 – Audio Transcript
... We will examine some background information to see what SQL can do. We will discuss how SQL is performed as well as some of the characteristics of SQL. Finally we will see what SQL can give us from the database. Slide 3 SQL had its beginning at IBM in the late 70s. Pronounced as sequel by some, it c ...
... We will examine some background information to see what SQL can do. We will discuss how SQL is performed as well as some of the characteristics of SQL. Finally we will see what SQL can give us from the database. Slide 3 SQL had its beginning at IBM in the late 70s. Pronounced as sequel by some, it c ...
Ingres/Data Dictionary/Integrity
... If they are contained in an application, there is the danger of saturating a network and causing degraded performance. This is particularly so in client / server computing CONSTRAINTS: Declarative approach where integrity constraints are ‘declared’ as part of a table specification. ANSI SQL-99 stand ...
... If they are contained in an application, there is the danger of saturating a network and causing degraded performance. This is particularly so in client / server computing CONSTRAINTS: Declarative approach where integrity constraints are ‘declared’ as part of a table specification. ANSI SQL-99 stand ...
CSS122_WINTER09_LECTURE08
... As in the previous example, subqueries in the INSERT command work, but only if the update table and the subquery table are different. This rule only applies to MySQL, other database management systems may behave differently. ...
... As in the previous example, subqueries in the INSERT command work, but only if the update table and the subquery table are different. This rule only applies to MySQL, other database management systems may behave differently. ...
No Slide Title - SAP SQL Anywhere Forum
... • DBMLSync/Ultralite will update the existing values • Very inefficient ...
... • DBMLSync/Ultralite will update the existing values • Very inefficient ...
SAS File Design: Guidelines for Statisticians and Data Managers
... Sequence or quantity numbers in character format. In this problem, drug dosage amounts are stored in a character variable. Later, the statistician will want to show the effects of increasing dosage in a chart. However, the lowest dose level is “5mg”, the next dose is “10mg”, and the last dose is “15 ...
... Sequence or quantity numbers in character format. In this problem, drug dosage amounts are stored in a character variable. Later, the statistician will want to show the effects of increasing dosage in a chart. However, the lowest dose level is “5mg”, the next dose is “10mg”, and the last dose is “15 ...