udf - Personify
... Transaction Volume Samples ♦ It is often helpful to see how much data is being processed within Elite over a given date range – Trust Volume Example – Number and absolute dollar value of transactions by period ...
... Transaction Volume Samples ♦ It is often helpful to see how much data is being processed within Elite over a given date range – Trust Volume Example – Number and absolute dollar value of transactions by period ...
Slides (powerpoint)
... Data translation [Popa et al] Data integration [Spaccapietra & Parent] Meta meta models [Noy et al] Properties of mappings [Hull] ...
... Data translation [Popa et al] Data integration [Spaccapietra & Parent] Meta meta models [Noy et al] Properties of mappings [Hull] ...
Using Databases in C2k
... This approach differs from the previous approach. In this case the database is integrated into the C# solution. This means that if the C# solution is moved to another computer, the database moves with the solution. There is no need for the developer to separately export the database and import it (o ...
... This approach differs from the previous approach. In this case the database is integrated into the C# solution. This means that if the C# solution is moved to another computer, the database moves with the solution. There is no need for the developer to separately export the database and import it (o ...
Slide 1
... a driver, which is usually provided by the database vendor Drivers are manipulated using the DriverManager class from java.sql ...
... a driver, which is usually provided by the database vendor Drivers are manipulated using the DriverManager class from java.sql ...
Avoiding SQL Performance Regressions - Oracle DBA
... • Use SPA time limit to control resource usage • Test during maintenance window or non-peak activity when spare resources are available ...
... • Use SPA time limit to control resource usage • Test during maintenance window or non-peak activity when spare resources are available ...
Disk and I/O Tuning on SQL Server 2005
... – LUNs set up for serial IO transaction load, not large block reads – Exchange best practices are carried forward to SQL Server even when they don’t apply! – OLTP and OLAP have conflicting needs (IO/sec versus MB/sec) ...
... – LUNs set up for serial IO transaction load, not large block reads – Exchange best practices are carried forward to SQL Server even when they don’t apply! – OLTP and OLAP have conflicting needs (IO/sec versus MB/sec) ...
Education
... unlike relational and object-oriented data, has no fixed schema known in advance and is stored separately from the data. XML data is self-describing and can model heterogeneity more naturally than relational or object-oriented data models. Moreover, XML data usually has XLinks or XPointers to data i ...
... unlike relational and object-oriented data, has no fixed schema known in advance and is stored separately from the data. XML data is self-describing and can model heterogeneity more naturally than relational or object-oriented data models. Moreover, XML data usually has XLinks or XPointers to data i ...
primary key
... Procedures and functions can be invoked also from dynamic SQL SQL:1999 allows more than one function/procedure of the same name (called name overloading), as long as the number of arguments differ, or at least the types of the arguments differ Database Management Systems ...
... Procedures and functions can be invoked also from dynamic SQL SQL:1999 allows more than one function/procedure of the same name (called name overloading), as long as the number of arguments differ, or at least the types of the arguments differ Database Management Systems ...
SQL in the Real World - Department of Computer Science, NMSU
... application program in two different ways: – Statement Level Interface (SLI): Application program is a mixture of host language statements and SQL statements and directives – Call Level Interface (CLI): Application program is written entirely in host language • SQL statements are values of string va ...
... application program in two different ways: – Statement Level Interface (SLI): Application program is a mixture of host language statements and SQL statements and directives – Call Level Interface (CLI): Application program is written entirely in host language • SQL statements are values of string va ...
Object-Oriented Programming & Relational Design
... (hard disks), a reel to reel tape drive for backup purposes, a dot-matrix line printer and a bunch of [dumb] terminals. This was a high end machine, and even a minimally configured PDP-11 cost about $40,000. Despite the cost, 600 such installations had been put into service by the end of 1974, mostl ...
... (hard disks), a reel to reel tape drive for backup purposes, a dot-matrix line printer and a bunch of [dumb] terminals. This was a high end machine, and even a minimally configured PDP-11 cost about $40,000. Despite the cost, 600 such installations had been put into service by the end of 1974, mostl ...
CS405G: Introduction to Database Systems
... • Compute GROUP BY: group rows according to the values of GROUP BY columns • Compute SELECT for each group – For aggregation functions with DISTINCT inputs, first eliminate duplicates within the group Number of groups = number of rows in the final output ...
... • Compute GROUP BY: group rows according to the values of GROUP BY columns • Compute SELECT for each group – For aggregation functions with DISTINCT inputs, first eliminate duplicates within the group Number of groups = number of rows in the final output ...
data models - Computer and Information Science | Brooklyn College
... Database Management Systems • A Database Management System (DBMS) is a software program that enables the creation and management of databases. • Most of today's database systems are referred to as a Relational Database Management System (RDBMS), because the use the Relational database model of data ...
... Database Management Systems • A Database Management System (DBMS) is a software program that enables the creation and management of databases. • Most of today's database systems are referred to as a Relational Database Management System (RDBMS), because the use the Relational database model of data ...
ORM Technologies and Entity Framework (EF)
... Overview of EF Entity Framework (EF) is the standard ORM framework for .NET Maps relational database to C# object model Powerful data manipulation ...
... Overview of EF Entity Framework (EF) is the standard ORM framework for .NET Maps relational database to C# object model Powerful data manipulation ...
SRINIvas palle
... is management system implemented worldwide for tracking clinical trial being carried out for various purposes. This project is part of clinical trial management system and involves data integration for its clinical trial processes. The purpose of this project was to integrate data from various sourc ...
... is management system implemented worldwide for tracking clinical trial being carried out for various purposes. This project is part of clinical trial management system and involves data integration for its clinical trial processes. The purpose of this project was to integrate data from various sourc ...
Java JDBC
... customized interfaces to standard database management systems through a number of approaches. • JDBC uses a standardized instruction syntax (SQL) to send queries to databases • The JDBC-ODBC bridge allows Java to use an existing database connectivity method to gain easy access to existing databases. ...
... customized interfaces to standard database management systems through a number of approaches. • JDBC uses a standardized instruction syntax (SQL) to send queries to databases • The JDBC-ODBC bridge allows Java to use an existing database connectivity method to gain easy access to existing databases. ...
Accessing Databases
... Pain in the neck to transfer information across miles This can be very bad ...
... Pain in the neck to transfer information across miles This can be very bad ...
SQLCMD – A Better DBACCESS?
... SQLCMD is an SQL Command Interpreter for Informix databases. It is analogous to the Query-Language option of DB-Access or ISQL, but it is designed to work better in shell scripts. SQLCMD is written in ESQL/C. It works with any version of ESQL/C from 5.00 (circa 1990) upwards. SQLCMD has a history me ...
... SQLCMD is an SQL Command Interpreter for Informix databases. It is analogous to the Query-Language option of DB-Access or ISQL, but it is designed to work better in shell scripts. SQLCMD is written in ESQL/C. It works with any version of ESQL/C from 5.00 (circa 1990) upwards. SQLCMD has a history me ...
Notes
... Idea: prevent “dangling tuples” (e.g.: a loan with a bname, Kenmore, when no Kenmore tuple in branch) ...
... Idea: prevent “dangling tuples” (e.g.: a loan with a bname, Kenmore, when no Kenmore tuple in branch) ...
SAP Interview Questions and Answers
... server. Application programs in an R/3 System are run on application servers. The application servers communicate with the presentation components, the database, and also with each other, using the message server. All the data are stored in a centralized server. This server is called database server ...
... server. Application programs in an R/3 System are run on application servers. The application servers communicate with the presentation components, the database, and also with each other, using the message server. All the data are stored in a centralized server. This server is called database server ...
Relational Model
... • Candidate Key – any attribute or combination of attributes that can uniquely identify each row • Primary Key - A candidate key which has been chosen by the database designer to uniquely identify each • Surrogate Key - A primary key whose values are automatically generated by the DBMS • Secondary K ...
... • Candidate Key – any attribute or combination of attributes that can uniquely identify each row • Primary Key - A candidate key which has been chosen by the database designer to uniquely identify each • Surrogate Key - A primary key whose values are automatically generated by the DBMS • Secondary K ...
Management of organizational memories
... Indicating whether stored values for this data item must be unique (unique compared to other values of the item within the same table or record type). The unique option is also required for identifiers. ...
... Indicating whether stored values for this data item must be unique (unique compared to other values of the item within the same table or record type). The unique option is also required for identifiers. ...