Document
... Formal Relational Query Languages Two mathematical Query Languages form the basis for “real” languages (e.g. SQL), and for implementation: Relational Algebra: More operational, very useful for representing execution plans. Relational Calculus: Lets users describe what they want, rather than how to ...
... Formal Relational Query Languages Two mathematical Query Languages form the basis for “real” languages (e.g. SQL), and for implementation: Relational Algebra: More operational, very useful for representing execution plans. Relational Calculus: Lets users describe what they want, rather than how to ...
Structured Query Language
... Figure 2 shows the initial data in the database. The first row in each figure summarizes the type of data each field may hold, as well as any special validation rules that apply. Query Notes • Process each DML query separately; in other words, do not look ahead and combine queries. • Figure 2 shows ...
... Figure 2 shows the initial data in the database. The first row in each figure summarizes the type of data each field may hold, as well as any special validation rules that apply. Query Notes • Process each DML query separately; in other words, do not look ahead and combine queries. • Figure 2 shows ...
Object Explorer
... Object Explorer uses a tree structure to group information into folders. To expand folders, click the plus sign (+) or double-click the folder. Expand folders to show more detailed information. Right-click folders or objects to perform common tasks. Double-click objects to perform the most common ta ...
... Object Explorer uses a tree structure to group information into folders. To expand folders, click the plus sign (+) or double-click the folder. Expand folders to show more detailed information. Right-click folders or objects to perform common tasks. Double-click objects to perform the most common ta ...
cos346day19
... – Generate database application performance reports – Investigate user performance complaints – Assess need for changes in database structure or application design – Modify database structure – Evaluate and implement new DBMS features – Tune the DBMS ...
... – Generate database application performance reports – Investigate user performance complaints – Assess need for changes in database structure or application design – Modify database structure – Evaluate and implement new DBMS features – Tune the DBMS ...
connecting to databases with asp.net
... It is important to understand that even though many database management systems support the same database formats (flat-file, relational, hierarchical, or network), each database management system is an individual application that creates its own proprietary file types. For example, even though Acce ...
... It is important to understand that even though many database management systems support the same database formats (flat-file, relational, hierarchical, or network), each database management system is an individual application that creates its own proprietary file types. For example, even though Acce ...
Object operations benchmark
... for direct commercial advantage, the ACM copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Association for Computing Machinery. To copy otherwise, or to republish, requires a fee and/or specific permission. ...
... for direct commercial advantage, the ACM copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Association for Computing Machinery. To copy otherwise, or to republish, requires a fee and/or specific permission. ...
Towards a XML Fuzzy Structured Query Language
... performance for components of these systems, especially for FDBMSs. Therefore, in order to create a FDBMS satisfying the performance requirements with low implementation effort, a strategy to implement a FDBMS extending a commercial DBMS is becoming more significant [1, 2, 7]. Extending commercial D ...
... performance for components of these systems, especially for FDBMSs. Therefore, in order to create a FDBMS satisfying the performance requirements with low implementation effort, a strategy to implement a FDBMS extending a commercial DBMS is becoming more significant [1, 2, 7]. Extending commercial D ...
Chapter_5
... • Data management and modeling are key aspects of organizing data and information – Define general data management concepts and terms, highlighting the advantages of the database approach to data management – Describe logical and physical database design considerations, the function of data centers, ...
... • Data management and modeling are key aspects of organizing data and information – Define general data management concepts and terms, highlighting the advantages of the database approach to data management – Describe logical and physical database design considerations, the function of data centers, ...
An Architecture for Automatic Relational Database System Conversion
... not information preserving. A second feature for characterizing transformations is data dependence/independence. A transformation is data dependent if the stored database must be checked to determine whether the transformation is consistent with the logical format of the target system. For example, ...
... not information preserving. A second feature for characterizing transformations is data dependence/independence. A transformation is data dependent if the stored database must be checked to determine whether the transformation is consistent with the logical format of the target system. For example, ...
cos346day21
... • Both data and log files are created by SQL Server • SQL Server provides a wizard for setting up database maintenance plan, e.g., scheduling database and log backups • To recover a database with SQL Server: – The database is restored from a prior database backup – Log after images are applied to th ...
... • Both data and log files are created by SQL Server • SQL Server provides a wizard for setting up database maintenance plan, e.g., scheduling database and log backups • To recover a database with SQL Server: – The database is restored from a prior database backup – Log after images are applied to th ...
PRISMA/DB: A Parallel, Main Memory Relational
... the designof a parallel, main memory DBMS that hasa flexible architecture and that is flexible in its query execution, so that experimentswith the functionality and the performance of the system are possible. Both for the functionality, and for the performance, there were minimum requirements,such t ...
... the designof a parallel, main memory DBMS that hasa flexible architecture and that is flexible in its query execution, so that experimentswith the functionality and the performance of the system are possible. Both for the functionality, and for the performance, there were minimum requirements,such t ...
ResultSet
... Accessing Databases with JDBC 1992-2007 Pearson Education, Inc. All rights reserved. ...
... Accessing Databases with JDBC 1992-2007 Pearson Education, Inc. All rights reserved. ...
Slide 12
... The user can then create one or more tables based on the UDT If keyword INSTANTIABLE is left out, can use UDT only as attribute data type – not as a basis for a table of objects ...
... The user can then create one or more tables based on the UDT If keyword INSTANTIABLE is left out, can use UDT only as attribute data type – not as a basis for a table of objects ...
Chapter 27.ppt
... Embedding Database) programs. AutoCAD is capable of utilizing data from other applications, regardless of the format and the platform on which the file is stored. Configuration of a database involves creating a new data source that points to a collection of data and information about the required dr ...
... Embedding Database) programs. AutoCAD is capable of utilizing data from other applications, regardless of the format and the platform on which the file is stored. Configuration of a database involves creating a new data source that points to a collection of data and information about the required dr ...
Extensible Markup Language Databases: A Study
... modify or retrieve content from XML files. The XMLDB API here is similar to the JDBC or ODBC drivers used for connecting to relational databases. The document-centric non-structured data cannot be queried or utilized using any of the relational databases that exist today7. This problem has to be add ...
... modify or retrieve content from XML files. The XMLDB API here is similar to the JDBC or ODBC drivers used for connecting to relational databases. The document-centric non-structured data cannot be queried or utilized using any of the relational databases that exist today7. This problem has to be add ...
TinyDB Documentation
... As already mentioned, the default storage relies upon Python’s JSON module. To improve performance, you can install ujson , an extremely fast JSON implementation. TinyDB will auto-detect and use it if possible. ...
... As already mentioned, the default storage relies upon Python’s JSON module. To improve performance, you can install ujson , an extremely fast JSON implementation. TinyDB will auto-detect and use it if possible. ...
View Chapter 22 Database: SQL, MYSQL, DBI and ADO
... – Logical representation of data allowing users to consider relationships between data – Consists of tables ...
... – Logical representation of data allowing users to consider relationships between data – Consists of tables ...
Introduction to Techniques of Query Processing and
... 3. Sort –Merge Join: This algorithm is used to perform natural joins, equi-joins and it requires that each relation to be sorted by the common attributes between each relation. 4. Hash Join: This algorithm is used to perform natural joins and equi-joins. This hash join algorithm utilizes two hash ta ...
... 3. Sort –Merge Join: This algorithm is used to perform natural joins, equi-joins and it requires that each relation to be sorted by the common attributes between each relation. 4. Hash Join: This algorithm is used to perform natural joins and equi-joins. This hash join algorithm utilizes two hash ta ...
Document
... – Logical representation of data allowing users to consider relationships between data – Consists of tables ...
... – Logical representation of data allowing users to consider relationships between data – Consists of tables ...
SQL, MYSQL, DBI and ADO
... – Logical representation of data allowing users to consider relationships between data – Consists of tables ...
... – Logical representation of data allowing users to consider relationships between data – Consists of tables ...
SQL Object Level Recovery Native 1.1
... SQL Object Level Recovery Pro is included with SQL Backup Pro (http://www.redgate.com/products/SQL_Backup/index.htm), and enables you to recover objects from SQL Backup (.sqb) files. SQL Object Level Recovery Pro requires a SQL Backup Pro license on the server you are restoring objects to. For more ...
... SQL Object Level Recovery Pro is included with SQL Backup Pro (http://www.redgate.com/products/SQL_Backup/index.htm), and enables you to recover objects from SQL Backup (.sqb) files. SQL Object Level Recovery Pro requires a SQL Backup Pro license on the server you are restoring objects to. For more ...
Fujitsu White Paper Picture
... In addition to usage by application programs in BS2000, which normally use the transaction monitor openUTM, SESAM/SQL offers various other options for direct data exchange with other applications and systems: APACHE web server The APACHE web server in BS2000 has its own connection for SESAM/SQL. Thi ...
... In addition to usage by application programs in BS2000, which normally use the transaction monitor openUTM, SESAM/SQL offers various other options for direct data exchange with other applications and systems: APACHE web server The APACHE web server in BS2000 has its own connection for SESAM/SQL. Thi ...
Versant Object Database
Versant Object Database (VOD) is an object database software product developed by Versant Corporation.The Versant Object Database enables developers using object oriented languages to transactionally store their information by allowing the respective language to act as the Data Definition Language (DDL) for the database. In other words, the memory model is the database schema model.In general, persistence in VOD in implemented by declaring a list of classes, then providing a transaction demarcation application programming interface to use cases. Respective language integrations adhere to the constructs of that language, including syntactic and directive sugars.Additional APIs exist, beyond simple transaction demarcation, providing for the more advanced capabilities necessary to address practical issues found when dealing with performance optimization and scalability for systems with large amounts of data, many concurrent users, network latency, disk bottlenecks, etc.