CS6362 1998 - Northumbria University
... – Very easy to compare because both are based on Relational Model. – An RDB does not support abstract data types (ADT), all attribute values must be atomic and relations must be in first normal form (flat relation). – An ORDB supports ADTs, attributes can be multi-valued, and does not require first ...
... – Very easy to compare because both are based on Relational Model. – An RDB does not support abstract data types (ADT), all attribute values must be atomic and relations must be in first normal form (flat relation). – An ORDB supports ADTs, attributes can be multi-valued, and does not require first ...
OODB_Lecture1
... • Many-to-many relationships are represented directly without introducing a new class or relation as in the case of takes, partOf, and teaches relationships. ...
... • Many-to-many relationships are represented directly without introducing a new class or relation as in the case of takes, partOf, and teaches relationships. ...
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 ...
lab manual 2
... Define the names of the columns to which you will be exporting data. In this example, the column names are those in the avgcost table you created earlier, date and cost. Assign the cell array containing the column names to the variable colnames. Type colnames = {'id','cost'}; Before you export data ...
... Define the names of the columns to which you will be exporting data. In this example, the column names are those in the avgcost table you created earlier, date and cost. Assign the cell array containing the column names to the variable colnames. Type colnames = {'id','cost'}; Before you export data ...
Chapter 1
... A computer (client) runs an application (say SQLPLUS) in a user process. The application attempts to establish a connection to the server. The server detects the connection request from the application and creates a dedicated server process on behalf of the user process. The user runs a SQL statemen ...
... A computer (client) runs an application (say SQLPLUS) in a user process. The application attempts to establish a connection to the server. The server detects the connection request from the application and creates a dedicated server process on behalf of the user process. The user runs a SQL statemen ...
Oracle's HA Vision
... • PL/SQL code changes and view changes installed in the privacy of a new edition • New data changes made to new Pre-upgrade Edition columns/tables not seen by old edition • Editioning view exposes a private projection of a table into each edition • Crossedition trigger propagates changes made by old ...
... • PL/SQL code changes and view changes installed in the privacy of a new edition • New data changes made to new Pre-upgrade Edition columns/tables not seen by old edition • Editioning view exposes a private projection of a table into each edition • Crossedition trigger propagates changes made by old ...
![[Problem Type : Other] [Item : Web+Center 7.0] Last Modified Date](http://s1.studyres.com/store/data/004676024_1-12729e36a9e66c2b19f32b89062a5a96-300x300.png)
[Problem Type : Other] [Item : Web+Center 7.0] Last Modified Date
... Upgrading to a newer version of SqlServer and migrating data at the same time In this example, we are upgrading a Web Center 5.0 database to 7.0 and moving it from SqlServer 2000 to SqlServer 2008. Step 1. Move a copy of the webcenter50 database over to the new server and name it webcenter70. Option ...
... Upgrading to a newer version of SqlServer and migrating data at the same time In this example, we are upgrading a Web Center 5.0 database to 7.0 and moving it from SqlServer 2000 to SqlServer 2008. Step 1. Move a copy of the webcenter50 database over to the new server and name it webcenter70. Option ...
Introduction to Relational Databases and SQL
... First, SQL is the premier tool for viewing information from a relational database. It doesn’t just give you a data dump. SQL gives you sophisticated tools to summarize, consolidate, and calculate from the data. Using table relationships, data can be combined from multiple tables in a number of ways. ...
... First, SQL is the premier tool for viewing information from a relational database. It doesn’t just give you a data dump. SQL gives you sophisticated tools to summarize, consolidate, and calculate from the data. Using table relationships, data can be combined from multiple tables in a number of ways. ...
Database Recovery
... A facility by which the DBMS periodically refuses to accept new transactions. The system is in a quiet state and the database and transaction logs are synchronized All transactions in progress are completed and journal files are brought up-to-date DBMS writes a special record (checkpoint record) to ...
... A facility by which the DBMS periodically refuses to accept new transactions. The system is in a quiet state and the database and transaction logs are synchronized All transactions in progress are completed and journal files are brought up-to-date DBMS writes a special record (checkpoint record) to ...
MIS2502: Data Analytics SQL – Putting Information Into a Database
... PRIMARY KEY (CustomerID) ); (i.e., mis80orderdb.Customer) Based on this SQL statement: • The only required field is CustomerID – the rest can be left blank. • CustomerID is defined as the primary key. ...
... PRIMARY KEY (CustomerID) ); (i.e., mis80orderdb.Customer) Based on this SQL statement: • The only required field is CustomerID – the rest can be left blank. • CustomerID is defined as the primary key. ...
Database Systems
... • ActiveX Data Objects provide interface with OLE-DB, DAO, and RDO • ADO.NET is data access component of Microsoft .NET framework • Java Database Connectivity (JDBC) interfaces with Java applications with data sources ...
... • ActiveX Data Objects provide interface with OLE-DB, DAO, and RDO • ADO.NET is data access component of Microsoft .NET framework • Java Database Connectivity (JDBC) interfaces with Java applications with data sources ...
SQL Queries - KDD Laboratory
... SQL commands can be called from within a host language (e.g., C or Java) program. – SQL statements can refer to host variables (including special variables used to return status). – Must include a statement to connect to the right database. ...
... SQL commands can be called from within a host language (e.g., C or Java) program. – SQL statements can refer to host variables (including special variables used to return status). – Must include a statement to connect to the right database. ...
DATA-INTENSIVE COMPUTING IN SQL WITH GPUS 10/7/2010
... Implement computational functionality in a separate process from the database server process Access through inter-process communication (IPC) ...
... Implement computational functionality in a separate process from the database server process Access through inter-process communication (IPC) ...
Object-Relational Mapping with Hibernate and JPA
... … Join in HQL Query: find all the sections for which “cysun” is one of the instructors ...
... … Join in HQL Query: find all the sections for which “cysun” is one of the instructors ...
What is a database?
... number and street name. But what would be the point? There's no need to extract or sort information in the database simply by street number or name, and so it's not a useful basis for breaking up the field. On the other hand, if we wanted to deal with multi-line addresses which are common for busine ...
... number and street name. But what would be the point? There's no need to extract or sort information in the database simply by street number or name, and so it's not a useful basis for breaking up the field. On the other hand, if we wanted to deal with multi-line addresses which are common for busine ...
FREE Sample Here
... Chapter Overview The purpose of this chapter is to learn the basic SELECT statement used to retrieve data from a database table. The students will learn to use the SELECT clause to retrieve all columns, one column, and multiple columns from a table specified in the FROM clause. In addition, students ...
... Chapter Overview The purpose of this chapter is to learn the basic SELECT statement used to retrieve data from a database table. The students will learn to use the SELECT clause to retrieve all columns, one column, and multiple columns from a table specified in the FROM clause. In addition, students ...
A SQL:1999 Code Generator for the Pathfinder XQuery
... kernel. Pathfinder, a retargetable front-end compiler, translates input XQuery expressions into DAG-shaped relational algebra plans. The code generator then turns these plans into sequences of either SQL:1999 statements or view definitions which jointly implement the (sometimes intricate) XQuery sem ...
... kernel. Pathfinder, a retargetable front-end compiler, translates input XQuery expressions into DAG-shaped relational algebra plans. The code generator then turns these plans into sequences of either SQL:1999 statements or view definitions which jointly implement the (sometimes intricate) XQuery sem ...
galcho.com
... Why are there two query languages? LINQ is programming language based multiple types of data as input can be extended to new input types uses LINQ to SQL for database programming ...
... Why are there two query languages? LINQ is programming language based multiple types of data as input can be extended to new input types uses LINQ to SQL for database programming ...
FOUNDATIONS OF BUSINESS INTELLIGENCE: DATABASES …
... • Capabilities of Database Management Systems – Data definition capability: Specifies structure of database content, used to create tables and define characteristics of fields – Data dictionary: Automated or manual file storing definitions of data elements and their characteristics – Data manipulati ...
... • Capabilities of Database Management Systems – Data definition capability: Specifies structure of database content, used to create tables and define characteristics of fields – Data dictionary: Automated or manual file storing definitions of data elements and their characteristics – Data manipulati ...
Introduction to Data Modeling
... Introduction to Expressions.............................................................................................................. 66 21.1 Overview of Expressions.............................................................................................................. 66 ...
... Introduction to Expressions.............................................................................................................. 66 21.1 Overview of Expressions.............................................................................................................. 66 ...
Slide 1
... the table names for a given database connection object. The getTables() method works well for MySQL The getTables() does NOT work well for Oracle databases (in addition to user’s tables, it returns system tables, which are not needed) To get a list of user-defined tables and views, we use the Oracle ...
... the table names for a given database connection object. The getTables() method works well for MySQL The getTables() does NOT work well for Oracle databases (in addition to user’s tables, it returns system tables, which are not needed) To get a list of user-defined tables and views, we use the Oracle ...
ppt
... • Up to 1970, a “database” was a file of records – COBOL/CODASYL – Network model, with low level navigational interface ...
... • Up to 1970, a “database” was a file of records – COBOL/CODASYL – Network model, with low level navigational interface ...
Questions and Answers
... Execution of SQL statements in which the ? parameter is specified Specification of the ? parameter Generation and return of a ResultSet object as a retrieval result Return of the number of updated rows as an updating result Because the PreparedStatement interface is a subinterface of the Statement i ...
... Execution of SQL statements in which the ? parameter is specified Specification of the ? parameter Generation and return of a ResultSet object as a retrieval result Return of the number of updated rows as an updating result Because the PreparedStatement interface is a subinterface of the Statement i ...