PostGIS Analysis Tool (PGAT)
... store different kind of messages including the SQL statements that it sends to the PostGIS server. This log system and all the preferences are stored using the software db4o. ...
... store different kind of messages including the SQL statements that it sends to the PostGIS server. This log system and all the preferences are stored using the software db4o. ...
Virtuoso Virtual Database
... Benefits of the VDB The best middleware is no middleware at all; to optimally redefine a multi-vendor patchwork of databases as a unified model where the middle tier vanishes is the Holy Grail. If in reality we cannot wave a wand and dissolve this middle-component, let the choice be as robust and tr ...
... Benefits of the VDB The best middleware is no middleware at all; to optimally redefine a multi-vendor patchwork of databases as a unified model where the middle tier vanishes is the Holy Grail. If in reality we cannot wave a wand and dissolve this middle-component, let the choice be as robust and tr ...
Spreadsheet As a Relational Database Engine
... spreadsheet itself. Two papers [14, 15] describe a project, later named Query by Excel to extend SQL by spreadsheetinspired functionality, allowing the user to treat database tables as if they were located in a spreadsheet and define calculations over rows and columns by formulas resembling those fo ...
... spreadsheet itself. Two papers [14, 15] describe a project, later named Query by Excel to extend SQL by spreadsheetinspired functionality, allowing the user to treat database tables as if they were located in a spreadsheet and define calculations over rows and columns by formulas resembling those fo ...
Oracle Database 11g Best Practices for using Partitioning in HA
... • New in Oracle11g, a PL/SQL supplied package which can be used as a fast and easy way to compare between tables, views and materialized views • DBMS_COMPARISON.COMPARE – performs a comparison • DBMS_COMPARISON.CONVERGE – execute compensating DML to get the two objects to converge ...
... • New in Oracle11g, a PL/SQL supplied package which can be used as a fast and easy way to compare between tables, views and materialized views • DBMS_COMPARISON.COMPARE – performs a comparison • DBMS_COMPARISON.CONVERGE – execute compensating DML to get the two objects to converge ...
Chapter 7: Relational Database Design
... But lot of applications where not sufficiently rich Multimedia, CAD, for storing set data etc Object-oriented models in programming languages ...
... But lot of applications where not sufficiently rich Multimedia, CAD, for storing set data etc Object-oriented models in programming languages ...
CPS221 Lecture: Relational Database Creation and Design Objectives:
... 3. There is another form of entity integrity constraint - the unique constraint - that we won’t discuss in this course. C. REFERENTIAL INTEGRITY: A principle related to using lossless join decompositions to avoid redundancy is the explicit identification of FOREIGN KEYS. 1. In our lossless join deco ...
... 3. There is another form of entity integrity constraint - the unique constraint - that we won’t discuss in this course. C. REFERENTIAL INTEGRITY: A principle related to using lossless join decompositions to avoid redundancy is the explicit identification of FOREIGN KEYS. 1. In our lossless join deco ...
90-728 Management Information Systems
... Use the Month(date) function to create a month field (read help on this function). (If there were data for more than one year, you would also have to extract a year field using the year function. Ignore this issue; do not implement the year.) Group on month. Call your query qryMonthlyComplaints. Tur ...
... Use the Month(date) function to create a month field (read help on this function). (If there were data for more than one year, you would also have to extract a year field using the year function. Ignore this issue; do not implement the year.) Group on month. Call your query qryMonthlyComplaints. Tur ...
Using Views with DB2, MS Access, and SQL Server
... the fields and tables in the database with 16 character names to reflect the source names. Our unit writes SAS code to retrieve data from DB2. We shares our SAS code within the unit. We like standardized names for fields and we needed eight character names for fields and tables. So, we developed SAS ...
... the fields and tables in the database with 16 character names to reflect the source names. Our unit writes SAS code to retrieve data from DB2. We shares our SAS code within the unit. We like standardized names for fields and we needed eight character names for fields and tables. So, we developed SAS ...
Slides
... – Few, but complex queries --- may run for hours. – Queries don't depend on having an absolutely up-to-date database. ...
... – Few, but complex queries --- may run for hours. – Queries don't depend on having an absolutely up-to-date database. ...
![New Sample Questions for CS 6371 (APL) [added 11/1/08]](http://s1.studyres.com/store/data/008815993_1-c5313aea2b9de70fc6d06120eccb7a8a-300x300.png)
New Sample Questions for CS 6371 (APL) [added 11/1/08]
... where key = Nat (set of natural numbers) and list = Nat∗ (list of natural numbers). Thus, a collection of tuples is modeled as a function. Each tuple is modeled as a pair, whose first element is the primary key and the second element is a list of remaining elements of the tuple. Note: DO NOT USE YOU ...
... where key = Nat (set of natural numbers) and list = Nat∗ (list of natural numbers). Thus, a collection of tuples is modeled as a function. Each tuple is modeled as a pair, whose first element is the primary key and the second element is a list of remaining elements of the tuple. Note: DO NOT USE YOU ...
Java Database Connectivity API
... rs = ps.executeQuery(); while(rs.next()) { String title = rs.getString("title"); Integer numCopies = rs.getInt("numCopies") ...
... rs = ps.executeQuery(); while(rs.next()) { String title = rs.getString("title"); Integer numCopies = rs.getInt("numCopies") ...
PowerPoint for this Session
... Executing an SQL statement: mysql_query(cmd, conn) Executes a specific command or query using a database connection If cmd is a SELECT statement, function returns a set of records If cmd is INSERT, DELETE, UPDATE, $result true if successful, false if not $result = mysql_query($sql, $dblink) or die ( ...
... Executing an SQL statement: mysql_query(cmd, conn) Executes a specific command or query using a database connection If cmd is a SELECT statement, function returns a set of records If cmd is INSERT, DELETE, UPDATE, $result true if successful, false if not $result = mysql_query($sql, $dblink) or die ( ...
Lab 6
... s = con.prepareStatement(query); e) Looking at the query String, notice the “?”. This is called a parameter marker. It marks the place where a value will be inserted during runtime, in this case, the search criteria provided by the user when executing the application. The following command is used t ...
... s = con.prepareStatement(query); e) Looking at the query String, notice the “?”. This is called a parameter marker. It marks the place where a value will be inserted during runtime, in this case, the search criteria provided by the user when executing the application. The following command is used t ...
USING OLAP DATA CUBES IN BUSINESS INTELLIGENCE
... “good” or “big” • The trend – a MDX expression that evaluates the value of KPIs throughout time. The trend can be any criterion based on time which is useful in a business context. The MDX trend expression makes it easier for the business user to find out if the KPI values are improving or not throu ...
... “good” or “big” • The trend – a MDX expression that evaluates the value of KPIs throughout time. The trend can be any criterion based on time which is useful in a business context. The MDX trend expression makes it easier for the business user to find out if the KPI values are improving or not throu ...
Language Integrated Query: An introduction
... EF is an object-relational mapper (ORM) that enables .NET developers to work with relational data using domain-specific objects. ...
... EF is an object-relational mapper (ORM) that enables .NET developers to work with relational data using domain-specific objects. ...
Database Integrity: State of the Art
... Most database systems provide some support for integrity constraints. For example, current commercial database systems (especially RDBMSs) enforce only a little set of constraints, mainly because of the performance overhead associated with update operations. In this manner, in RDBMSs and ORDBMSs som ...
... Most database systems provide some support for integrity constraints. For example, current commercial database systems (especially RDBMSs) enforce only a little set of constraints, mainly because of the performance overhead associated with update operations. In this manner, in RDBMSs and ORDBMSs som ...
Introduction to XML
... Connection object sends queries to database server after a connection is set up JDBC provides following three classes for ...
... Connection object sends queries to database server after a connection is set up JDBC provides following three classes for ...
Creating a Data Warehouse using SQL Server
... The most appealing way to load the schema is to build a Data Transformation Service Package (DTS Package) using the DTS Designer (Microsoft, 1988b). The DTS Designer is a graphically oriented tool for building a number of connections and a number of data transformation flows to run between the conne ...
... The most appealing way to load the schema is to build a Data Transformation Service Package (DTS Package) using the DTS Designer (Microsoft, 1988b). The DTS Designer is a graphically oriented tool for building a number of connections and a number of data transformation flows to run between the conne ...
Transferring SAS Datasets from z/OS to SQL Server Databases
... In Veterans Administration (VA) Pittsburgh Healthcare Systems, we keep a copy of national VA clinical data in Microsoft SQL Server for local researchers. Maintaining a local backup is preferred over retrieving the SAS data sets from our national data center (runs on z/OS) each time they are needed b ...
... In Veterans Administration (VA) Pittsburgh Healthcare Systems, we keep a copy of national VA clinical data in Microsoft SQL Server for local researchers. Maintaining a local backup is preferred over retrieving the SAS data sets from our national data center (runs on z/OS) each time they are needed b ...
Chapter 1: Introduction
... SQLJ part 0: ANSI (1998), “Object Language Bindings (SQL/OLB)”, SQL—Part 10 SQLJ part 1: ANSI (1999), "SQL Routines Using the Java" SQLJ part 2: ANSI (2000), "SQL Types Using the Java” Object Language Bindings (SQL/OLB) : ISO (2000), SQL—Part 10 SQL Routines and Types Using the Java (SQL/J ...
... SQLJ part 0: ANSI (1998), “Object Language Bindings (SQL/OLB)”, SQL—Part 10 SQLJ part 1: ANSI (1999), "SQL Routines Using the Java" SQLJ part 2: ANSI (2000), "SQL Types Using the Java” Object Language Bindings (SQL/OLB) : ISO (2000), SQL—Part 10 SQL Routines and Types Using the Java (SQL/J ...
Question Answer
... How difficult will it be to To help make the transition seamless, the LCC Viewer interface shows screens locate information in similar to what you see in Purkinje or Health Screen. the Viewer? The following configurations were also done: The migration of the document tree to preserve the organizat ...
... How difficult will it be to To help make the transition seamless, the LCC Viewer interface shows screens locate information in similar to what you see in Purkinje or Health Screen. the Viewer? The following configurations were also done: The migration of the document tree to preserve the organizat ...
