Referential Integrity in Oracle Rdb
... the Oracle Rdb product. It is written from an historical perspective examining changes in this feature since the first versions of Rdb and relates the Rdb and SQL standard features and terminology. ANSI and ISO SQL-92 define constraints in various classes: PRIMARY KEY, FOREIGN KEY, NOT NULL, UNIQUE ...
... the Oracle Rdb product. It is written from an historical perspective examining changes in this feature since the first versions of Rdb and relates the Rdb and SQL standard features and terminology. ANSI and ISO SQL-92 define constraints in various classes: PRIMARY KEY, FOREIGN KEY, NOT NULL, UNIQUE ...
MedSchema_Draft - The BioText Project
... The software offers both options to the user, since document parsing is processor intensive, and data insertion is disk intensive. The two tasks can be executed at different times to accommodate other demands on the server. There are two types of application programming interfaces (APIs) for parsing ...
... The software offers both options to the user, since document parsing is processor intensive, and data insertion is disk intensive. The two tasks can be executed at different times to accommodate other demands on the server. There are two types of application programming interfaces (APIs) for parsing ...
Embedded SQL Developer`s Guide
... The c-treeSQL Communications Area................................................................. 54 The COMMIT WORK and ROLLBACK WORK Statements ............................................. 55 ...
... The c-treeSQL Communications Area................................................................. 54 The COMMIT WORK and ROLLBACK WORK Statements ............................................. 55 ...
Oracle DBA / Oracle Parallel Server / Oracle Web
... administration of the development and testing databases environments and UNIX operating system. As a developer I coded HTML web pages and applied PHP technology that allowed for database connection and data manipulation via the HTML. I also coded Java applets that would send and retrieve data via th ...
... administration of the development and testing databases environments and UNIX operating system. As a developer I coded HTML web pages and applied PHP technology that allowed for database connection and data manipulation via the HTML. I also coded Java applets that would send and retrieve data via th ...
SIGMOD 2006: Effective Keyword Search in Relational Databases
... Effective Keyword Search in Relational Databases Fang Liu (University of Illinois at Chicago) Clement Yu (University of Illinois at Chicago) ...
... Effective Keyword Search in Relational Databases Fang Liu (University of Illinois at Chicago) Clement Yu (University of Illinois at Chicago) ...
ppt
... For most queries, the asterisk (*) should not be used to specify column names. In general, you process results by knowing in advance the order of the columns in the result—for example, selecting authorID and lastName from table authors ensures that the columns will appear in the result with authorID ...
... For most queries, the asterisk (*) should not be used to specify column names. In general, you process results by knowing in advance the order of the columns in the result—for example, selecting authorID and lastName from table authors ensures that the columns will appear in the result with authorID ...
vb notes - VB.NET section
... information, and not have people write to your database.). But the DataSet (and Data Table) will hold a copy of the information from the database. The DataSet is not something you can draw on your form, like a Button or a Textbox. The DataSet is something that is hidden from you, and just stored in ...
... information, and not have people write to your database.). But the DataSet (and Data Table) will hold a copy of the information from the database. The DataSet is not something you can draw on your form, like a Button or a Textbox. The DataSet is something that is hidden from you, and just stored in ...
SSIS 2008 New Features: Integration Services Project: An
... To optimize performance, consider the following: If the text file is located on the same computer as the SQL Server database into which data is inserted, the copy operation neither occurs at an even faster rate because the data is nor moved over the network. The bulk insert task does not log err ...
... To optimize performance, consider the following: If the text file is located on the same computer as the SQL Server database into which data is inserted, the copy operation neither occurs at an even faster rate because the data is nor moved over the network. The bulk insert task does not log err ...
Databases
... 4.3.1 Inserting tuples ........................................................................................................ 114 4.3.2 Deleting tuples .........................................................................................................115 4.3.3 Updating tuples ............... ...
... 4.3.1 Inserting tuples ........................................................................................................ 114 4.3.2 Deleting tuples .........................................................................................................115 4.3.3 Updating tuples ............... ...
Oracle NoSQL Database, 12.1.4.0.9 Enterprise Edition
... Customers can now use their Python or NodeJS application to query, create, update or delete data that's stored in NoSQL using these drivers. ...
... Customers can now use their Python or NodeJS application to query, create, update or delete data that's stored in NoSQL using these drivers. ...
Introduction to Web Development
... The mysqli_fetch_assoc() function returns the fields in the current row of a resultset into an associative array and moves the result pointer to the next row The difference between mysqli_fetch_assoc() and mysqli_fetch_row() is that instead of returning the fields into an indexed array, the mysqli_f ...
... The mysqli_fetch_assoc() function returns the fields in the current row of a resultset into an associative array and moves the result pointer to the next row The difference between mysqli_fetch_assoc() and mysqli_fetch_row() is that instead of returning the fields into an indexed array, the mysqli_f ...
Logic and Databases
... Equivalence of Relational Algebra and Calculus Theorem: If q is a k-ary query, then the following statements are equivalent: 1. There is a relational algebra expression E such that q(D) = E(D), for every database instance D (in other words, q is expressible in relational algebra). 2. There is a rel ...
... Equivalence of Relational Algebra and Calculus Theorem: If q is a k-ary query, then the following statements are equivalent: 1. There is a relational algebra expression E such that q(D) = E(D), for every database instance D (in other words, q is expressible in relational algebra). 2. There is a rel ...
mod-6
... where is any legal SQL expression. The
view name is represented by v.
Once a view is defined, the view name can be used to refer to
...
... where
2. Quality metrics for SQL queries embedded in host languages - Huib J. van den Brink, Rob C. van der Leek
... In order to obtain an indication of the accuracy and effectiveness of the defined measurements, a case study is presented, showing how the metrics reflect the situation as it is present in the application. The case study was performed on a few commercial software applications, as is explained in sec ...
... In order to obtain an indication of the accuracy and effectiveness of the defined measurements, a case study is presented, showing how the metrics reflect the situation as it is present in the application. The case study was performed on a few commercial software applications, as is explained in sec ...
Understanding ArcSDE
... extended with support for spatial types, with associated indexing and search functionality. The GIS application retains responsibility for defining the specific DBMS schema used to represent various geographic datasets and for domain-specific logic, which maintains the integrity and utility of the u ...
... extended with support for spatial types, with associated indexing and search functionality. The GIS application retains responsibility for defining the specific DBMS schema used to represent various geographic datasets and for domain-specific logic, which maintains the integrity and utility of the u ...
Oracle 9i to Oracle 10g Upgrade Guide
... This guide is intended for Oracle database administrators. Prior experience with Oracle software is not required but is highly recommended. If you do not have an Oracle database administrator available to upgrade your database, you can outsource these tasks to Professional Services. Contact your rep ...
... This guide is intended for Oracle database administrators. Prior experience with Oracle software is not required but is highly recommended. If you do not have an Oracle database administrator available to upgrade your database, you can outsource these tasks to Professional Services. Contact your rep ...
Enterprise PDM - Backup and Restore
... A database in Full recovery mode allows you to do "point-in-time recovery." This model requires the most administration because all operations are logged and the transaction log is not truncated until a transaction log backup is performed. Be careful not to run out the disk space. Databases are usua ...
... A database in Full recovery mode allows you to do "point-in-time recovery." This model requires the most administration because all operations are logged and the transaction log is not truncated until a transaction log backup is performed. Be careful not to run out the disk space. Databases are usua ...
Ch3: Database Modeling Building Blocks
... A collection is a set of values repeated structurally (values are not necessarily the same) Collection arrays can have storage structures defined in alternative locations to table fields as for binary objects Collection arrays, much like program arrays, can be either fixed length or dynamic ...
... A collection is a set of values repeated structurally (values are not necessarily the same) Collection arrays can have storage structures defined in alternative locations to table fields as for binary objects Collection arrays, much like program arrays, can be either fixed length or dynamic ...
Development of a SAS/DB2 Business Application
... Every data table has a primary key composed of one or more fields/columns. For performance reasons nearly every data table has one or more indexes defined on it. ...
... Every data table has a primary key composed of one or more fields/columns. For performance reasons nearly every data table has one or more indexes defined on it. ...