Physical Database Design
... One approach: consider the most important queries in turn. Consider the best plan using the current indexes, and see if a better plan is possible with an additional index. If so, create it. Before creating an index, must also consider the impact on updates in the workload! – Trade-off: indexes can m ...
... One approach: consider the most important queries in turn. Consider the best plan using the current indexes, and see if a better plan is possible with an additional index. If so, create it. Before creating an index, must also consider the impact on updates in the workload! – Trade-off: indexes can m ...
SQL Server Setup Standards
... monitoring and testing, and we can reuse a lot of their work easily. For questions about it, meet with Jim Smith. ...
... monitoring and testing, and we can reuse a lot of their work easily. For questions about it, meet with Jim Smith. ...
Anaylzing Experian Automotive
... Types of Databases - Several types of databases are used by business organizations, including operational, distributed, and external databases. Data warehouses are a central source of data from other databases that have been cleaned, transformed and cataloged for business analysis and decision suppo ...
... Types of Databases - Several types of databases are used by business organizations, including operational, distributed, and external databases. Data warehouses are a central source of data from other databases that have been cleaned, transformed and cataloged for business analysis and decision suppo ...
Using Temporary Tables to Improve Performance for
... A temporary table is a table in a relational database that stores intermediate, temporary data. Complex queries commonly require storage for large amounts of intermediate data, such as information from joins. When you implement temporary tables, business intelligence tools can retrieve this data fro ...
... A temporary table is a table in a relational database that stores intermediate, temporary data. Complex queries commonly require storage for large amounts of intermediate data, such as information from joins. When you implement temporary tables, business intelligence tools can retrieve this data fro ...
Chapter 4 - Keys and Relationships
... • Identify the primary key and foreign keys for each table. Put the name of the table and name its primary key and if there is a foreign key identify the foreign key. • Identify how each table that has the foreign key relates to another table. See slide No. 16 and 17 ...
... • Identify the primary key and foreign keys for each table. Put the name of the table and name its primary key and if there is a foreign key identify the foreign key. • Identify how each table that has the foreign key relates to another table. See slide No. 16 and 17 ...
Large Object Support in POSTGRES
... time travel over versions of large objects, and the definition of operators and functions on large objects. Operators and functions are dynamically loaded, and may be invoked from the query language. A file system built on top of the large object implementation supports transaction-protected access ...
... time travel over versions of large objects, and the definition of operators and functions on large objects. Operators and functions are dynamically loaded, and may be invoked from the query language. A file system built on top of the large object implementation supports transaction-protected access ...
ch7
... Exploring Microsoft Access 2003 Chapter 7 Building Applications: The Switchboard, Macros, and Prototyping ...
... Exploring Microsoft Access 2003 Chapter 7 Building Applications: The Switchboard, Macros, and Prototyping ...
Database Modeling and Design - Lecture Notes
... data aggregate (or group) -- a collection of related data items that form a whole concept; a simple group is a fixed collection, e.g. date (month, day, year); a repeating group is a variable length collection, e.g. a set of aliases. record—group of related data items treated as a unit by an applicat ...
... data aggregate (or group) -- a collection of related data items that form a whole concept; a simple group is a fixed collection, e.g. date (month, day, year); a repeating group is a variable length collection, e.g. a set of aliases. record—group of related data items treated as a unit by an applicat ...
What is JDBC Driver
... When Java first came out, this was a useful driver because most databases only supported ODBC access but now this type of driver is recommended only for experimental use or when no other alternative is available. ...
... When Java first came out, this was a useful driver because most databases only supported ODBC access but now this type of driver is recommended only for experimental use or when no other alternative is available. ...
cursor
... IF NotFound THEN LEAVE menuLoop END IF; IF thePrice < 3.00 THEN UPDATE Sells SET price = thePrice + 1.00 WHERE bar = ’Joe’’s Bar’ AND beer = theBeer; END IF; END LOOP; If Joe charges less than $3 for CLOSE c; the beer, raise its price at Joe’s Bar by $1. END; ...
... IF NotFound THEN LEAVE menuLoop END IF; IF thePrice < 3.00 THEN UPDATE Sells SET price = thePrice + 1.00 WHERE bar = ’Joe’’s Bar’ AND beer = theBeer; END IF; END LOOP; If Joe charges less than $3 for CLOSE c; the beer, raise its price at Joe’s Bar by $1. END; ...
File Structures A file is a collection of data stored on mass storage
... Instead, have the program figure out the solution. One approach is the production system model. First, consider the state graph of the problem: Every possible state of the system is a node. Draw an arrow from one node to another if a single move (or production, or rule) takes you from one state to t ...
... Instead, have the program figure out the solution. One approach is the production system model. First, consider the state graph of the problem: Every possible state of the system is a node. Draw an arrow from one node to another if a single move (or production, or rule) takes you from one state to t ...
Backup and Recovery Guide
... A component whose service offering covers an entire operational domain. ...
... A component whose service offering covers an entire operational domain. ...
Performances of Microsoft SQL Server Versus Oracle
... The use of databases for modern software applications is more and more extended. One of the problems that this kind of applications must face is the speed of query execution. Database Management Systems include modules that make their own optimization for the access. Programmers have to take care of ...
... The use of databases for modern software applications is more and more extended. One of the problems that this kind of applications must face is the speed of query execution. Database Management Systems include modules that make their own optimization for the access. Programmers have to take care of ...
data models in gis - Dycker@control
... photographs cover Portugal and were obtained in August 1995 in false color infra red film at scale 1:40 000. CNIG, The Directorate General of Forests and The Paper Mill industry are the owners of the aerial photographs (in ...
... photographs cover Portugal and were obtained in August 1995 in false color infra red film at scale 1:40 000. CNIG, The Directorate General of Forests and The Paper Mill industry are the owners of the aerial photographs (in ...
A Quantitative Analysis and Performance Study for Similarity
... results of Hellerstein et al. [22] are based on data sets that can be seen as regular meshes of extension n in each dimension. For range queries, these authors presented a minimum bound on the ‘access overhead’ of B1-a, which tends toward B as dimensionality d increases (B denotes the size of a bloc ...
... results of Hellerstein et al. [22] are based on data sets that can be seen as regular meshes of extension n in each dimension. For range queries, these authors presented a minimum bound on the ‘access overhead’ of B1-a, which tends toward B as dimensionality d increases (B denotes the size of a bloc ...
Lightning_SanFran_1-5_Shah_Azure
... • SQL Server on a VM • Natively supported by Alfresco • Microsoft SQL Server 2008 • Setup scripts are leveraged ...
... • SQL Server on a VM • Natively supported by Alfresco • Microsoft SQL Server 2008 • Setup scripts are leveraged ...
dm9 - btech
... E.g., discrete Fourier transform (DFT), discrete wavelet transform (DWT) The distance between two signals in the time domain is the same as their Euclidean distance in the frequency domain DFT does a good job of concentrating energy in the first few coefficients If we keep only first a few c ...
... E.g., discrete Fourier transform (DFT), discrete wavelet transform (DWT) The distance between two signals in the time domain is the same as their Euclidean distance in the frequency domain DFT does a good job of concentrating energy in the first few coefficients If we keep only first a few c ...
Chapter 19
... For Undo: Before a data item’s AFIM is flushed to the database disk (overwriting the BFIM) its BFIM must be written to the log and the log must be saved on a stable store (log disk). For Redo: Before a transaction executes its commit operation, all its AFIMs must be written to the log and the log mu ...
... For Undo: Before a data item’s AFIM is flushed to the database disk (overwriting the BFIM) its BFIM must be written to the log and the log must be saved on a stable store (log disk). For Redo: Before a transaction executes its commit operation, all its AFIMs must be written to the log and the log mu ...
ONLINE INFORMATION SYSTEM OF PHYSICS
... mental powers, without which we could not complete this project. Before we get into thick of the things we would like to add a few heart felt words for the people who were part of this project in numerous ways. People who gave unending support right from the stage project idea were conceived. In par ...
... mental powers, without which we could not complete this project. Before we get into thick of the things we would like to add a few heart felt words for the people who were part of this project in numerous ways. People who gave unending support right from the stage project idea were conceived. In par ...
Chapter 3 - WordPress.com
... of the base relation (Some collection of attributes, not necessarily all) are to be included in the virtual table. – Provide powerful flexibility and security: since unnecessary information will be hidden from the user there will be some sort of data security – Provide customized view of the databas ...
... of the base relation (Some collection of attributes, not necessarily all) are to be included in the virtual table. – Provide powerful flexibility and security: since unnecessary information will be hidden from the user there will be some sort of data security – Provide customized view of the databas ...
MySQL Cluster DataSheet
... MySQL Cluster is implemented as a strongly consistent, active/active, multi-master database ensuring updates can be made to any node and are instantly available to the rest of the cluster, without any replication lag. Tables are automatically sharded across a pool of low cost commodity data nodes, e ...
... MySQL Cluster is implemented as a strongly consistent, active/active, multi-master database ensuring updates can be made to any node and are instantly available to the rest of the cluster, without any replication lag. Tables are automatically sharded across a pool of low cost commodity data nodes, e ...