Architecture
... Access has its uses but it isn’t the best tool for building commercial sites. What if we wanted to change the underlying database from Access to say SQL server? The current database name is DVD.mdb. Changing to SQL server would result in the database file being called (probably) ...
... Access has its uses but it isn’t the best tool for building commercial sites. What if we wanted to change the underlying database from Access to say SQL server? The current database name is DVD.mdb. Changing to SQL server would result in the database file being called (probably) ...
Database Mirroring
... required in conjunction with scale out of read activity Failover possible; a custom solution Not limited to entire database; Can define subset of source database or tables Copy of database is continuously accessible for read activity Latency between source and copy can be as low as seconds ...
... required in conjunction with scale out of read activity Failover possible; a custom solution Not limited to entire database; Can define subset of source database or tables Copy of database is continuously accessible for read activity Latency between source and copy can be as low as seconds ...
The AMBIT database - Generis | Communication Design & Design
... The unique feature of AMBIT is the ability to store multifaceted information about chemical structures and provide a searchable interface linking these diverse components. The AMBIT database: AMBIT database contains over 450 000 chemical compounds with data imported from over a dozen databases [http ...
... The unique feature of AMBIT is the ability to store multifaceted information about chemical structures and provide a searchable interface linking these diverse components. The AMBIT database: AMBIT database contains over 450 000 chemical compounds with data imported from over a dozen databases [http ...
ORDBMS
... User defined types (UDTs) as attribute types • CREATE TYPE addrType AS (street CHAR(50),city CHAR(20) ); • CREATE TYPE student AS (name CHAR (30),sid char(9), address addrType ); • CREATE TABLE company (name CHAR(20) PRIMARY KEY,address addrType ); • keys are declared as part of tables - not UDTs ...
... User defined types (UDTs) as attribute types • CREATE TYPE addrType AS (street CHAR(50),city CHAR(20) ); • CREATE TYPE student AS (name CHAR (30),sid char(9), address addrType ); • CREATE TABLE company (name CHAR(20) PRIMARY KEY,address addrType ); • keys are declared as part of tables - not UDTs ...
Exec Circle - BSC - BDM Presentation
... Each column corresponds to a sub-object or an attribute of the object represented by the entire table Each row represents a unique instance of that sub-object or attribute and must be different in some way from any other row (that is, no duplicate rows are possible). All entries in any column must b ...
... Each column corresponds to a sub-object or an attribute of the object represented by the entire table Each row represents a unique instance of that sub-object or attribute and must be different in some way from any other row (that is, no duplicate rows are possible). All entries in any column must b ...
Jerry Held - UML软件工程组织
... • Definitions and space allocations of objects • Integrity constraints • Users • Roles • Privileges • Auditing ...
... • Definitions and space allocations of objects • Integrity constraints • Users • Roles • Privileges • Auditing ...
Toad DB Administration Best Practices
... • A set of guiding principles proposed by industry leading experts • Acknowledgement that the application is part of an evolving lifecycle which will continue to iterate over a period of time • Determination to deliver a quality product or what we used to call “taking pride in your work” ! ...
... • A set of guiding principles proposed by industry leading experts • Acknowledgement that the application is part of an evolving lifecycle which will continue to iterate over a period of time • Determination to deliver a quality product or what we used to call “taking pride in your work” ! ...
Chapter 17 - SaigonTech
... executeBatch. Executes a group of commands as a unit, returning an array with the update counts for each command setQueryTimeout. Specifies the amount of time a driver waits for the result before throwing an SQLException. getMaxRows/setMaxRows. etermines the number of rows a ResultSet may contain ...
... executeBatch. Executes a group of commands as a unit, returning an array with the update counts for each command setQueryTimeout. Specifies the amount of time a driver waits for the result before throwing an SQLException. getMaxRows/setMaxRows. etermines the number of rows a ResultSet may contain ...
Improving the Quality of Large-Scale Database - (Tse
... software engineering field, since these systems need to be responsive while being able to support millions of concurrent users at the same time. DBMSs are one of the core components of database-centric systems. Developers often store all user data in DBMSs to provide better scalability and maintaina ...
... software engineering field, since these systems need to be responsive while being able to support millions of concurrent users at the same time. DBMSs are one of the core components of database-centric systems. Developers often store all user data in DBMSs to provide better scalability and maintaina ...
Chapter 14 - Emunix Documentation on the Web
... Deadlock is prevented by allowing, at most, one lock statement to be open at a time Dirty reads are possible if some applications roll back their own work and do not surround their activity with table locks Copyright © 2004 Database Processing: Fundamentals, Design, and Implementation, 9/e by Da ...
... Deadlock is prevented by allowing, at most, one lock statement to be open at a time Dirty reads are possible if some applications roll back their own work and do not surround their activity with table locks Copyright © 2004 Database Processing: Fundamentals, Design, and Implementation, 9/e by Da ...
Technical Documentation
... database, presentation, and domain logic. Each of these components is implemented by one or more software modules, with keen emphasis on separation between the components (i.e. not placing database queries directly in a page that is presented to the client). In terms of hardware, the server-side com ...
... database, presentation, and domain logic. Each of these components is implemented by one or more software modules, with keen emphasis on separation between the components (i.e. not placing database queries directly in a page that is presented to the client). In terms of hardware, the server-side com ...
Chapter 12 – Databases, Controls, and Security
... Choosing Primary Keys: After creating tables for each class, the designer selects a primary key for each table. If a table already has an attribute or set of attributes that are guaranteed to be unique, then the designer can choose that attribute or set of attributes as the primary key. If the table ...
... Choosing Primary Keys: After creating tables for each class, the designer selects a primary key for each table. If a table already has an attribute or set of attributes that are guaranteed to be unique, then the designer can choose that attribute or set of attributes as the primary key. If the table ...
database - Teach ICT
... FatMax 2007. Licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License ...
... FatMax 2007. Licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License ...
SAS® Fraud Management 4.1 Release Notes for Hot
... DATETIME variable always results Fraud Tagging in a value of 02 for the RHX_SCORE_1_SAS_MATCH_INDf field. ...
... DATETIME variable always results Fraud Tagging in a value of 02 for the RHX_SCORE_1_SAS_MATCH_INDf field. ...
National e-Science Centre Temporal Database in Depth: Time and the Data
... and the pack and unpack operators. Sixth Normal Form was introduced as an important component, with the suggestion that this really was perhaps the last normal form that would need to be defined. His temporal model was defined by nine requirements. Some twelve queries were also introduced as being t ...
... and the pack and unpack operators. Sixth Normal Form was introduced as an important component, with the suggestion that this really was perhaps the last normal form that would need to be defined. His temporal model was defined by nine requirements. Some twelve queries were also introduced as being t ...
Relational Database - MUET-CRP
... databases typically requires stored procedures to support the relationships and provide access (interfaces) to external programs which, for example, "query" the relational database to retrieve and present selected data. Relational databases are both created and queried by Database Management Systems ...
... databases typically requires stored procedures to support the relationships and provide access (interfaces) to external programs which, for example, "query" the relational database to retrieve and present selected data. Relational databases are both created and queried by Database Management Systems ...
SQL views
... It has no data of its own, but obtains data from tables or other views It only has a definition SELECT statements are used to define views A view definition may not include an ORDER BY clause ...
... It has no data of its own, but obtains data from tables or other views It only has a definition SELECT statements are used to define views A view definition may not include an ORDER BY clause ...
lesson25
... • You also learned how to work with log shipping, which takes a copy of the transaction log and “ships” it to a remote destination. • To switch over to the remote standby server, you manually need to follow certain steps to perform the switch. • The standby server, however, has the capability to be ...
... • You also learned how to work with log shipping, which takes a copy of the transaction log and “ships” it to a remote destination. • To switch over to the remote standby server, you manually need to follow certain steps to perform the switch. • The standby server, however, has the capability to be ...