Chapter 9 – Unix Shell Scripting
... • Open Source server-side scripting language designed specifically for the web. – Conceived in 1994, now used on +10 million web sites. – Outputs not only HTML but can output XML, images (JPG & PNG), PDF files and even Flash movies all generated on the fly. Can write these files to the file system. ...
... • Open Source server-side scripting language designed specifically for the web. – Conceived in 1994, now used on +10 million web sites. – Outputs not only HTML but can output XML, images (JPG & PNG), PDF files and even Flash movies all generated on the fly. Can write these files to the file system. ...
Why Open Source for Database Systems?
... MySQL is, then, an open-source database that can perform as well as or better than proprietary alternatives. But what about the key concerns for scalability and availability when the number of users and amount of data involved are constantly increasing? How does this open source solution handle thes ...
... MySQL is, then, an open-source database that can perform as well as or better than proprietary alternatives. But what about the key concerns for scalability and availability when the number of users and amount of data involved are constantly increasing? How does this open source solution handle thes ...
Possible and Certain SQL Keys
... journal carries the null marker ⊥. Nevertheless, every tuple in I can be uniquely identified by a combination of column pairs, such as (title, journal) or (author, journal). This is not possible with SQL unique constraints which cannot always uniquely identify tuples in which null markers occur in th ...
... journal carries the null marker ⊥. Nevertheless, every tuple in I can be uniquely identified by a combination of column pairs, such as (title, journal) or (author, journal). This is not possible with SQL unique constraints which cannot always uniquely identify tuples in which null markers occur in th ...
MYCH7 - Computing Science
... Client-Server Architectures Disadvantages of thick clients No central place to update the business logic Security issues: Server needs to trust clients • Access control and authentication needs to be managed at the server • Clients need to leave server database in consistent state • One possibi ...
... Client-Server Architectures Disadvantages of thick clients No central place to update the business logic Security issues: Server needs to trust clients • Access control and authentication needs to be managed at the server • Clients need to leave server database in consistent state • One possibi ...
Merging What`s Cracked, Cracking What`s Merged
... key values are then moved into the final partitions. Tables of contents and the adaptive index are updated to reflect which key ranges have been moved into the final partitions so that subsequent queries know which parts of the requested key ranges to retrieve from final partitions and which from in ...
... key values are then moved into the final partitions. Tables of contents and the adaptive index are updated to reflect which key ranges have been moved into the final partitions so that subsequent queries know which parts of the requested key ranges to retrieve from final partitions and which from in ...
ADT Parameter in Connection URL and ASU
... Whenever a user requests a connection to the server for query execution, the server management components creates a new user connection for the user. Execution of query is performed under the newly established user connection. The user connection runs in its own operating system thread, within the s ...
... Whenever a user requests a connection to the server for query execution, the server management components creates a new user connection for the user. Execution of query is performed under the newly established user connection. The user connection runs in its own operating system thread, within the s ...
Chapter 1 - people.vcu.edu
... If we now use this consensus value for small houses to query a database containing descriptions of houses including their physical size we can retrieve a set, which is a consensus view of small houses. The database itself may directly store the size of the house as an attribute describing each house ...
... If we now use this consensus value for small houses to query a database containing descriptions of houses including their physical size we can retrieve a set, which is a consensus view of small houses. The database itself may directly store the size of the house as an attribute describing each house ...
Packaged Global Solution: Rapidly Cloning Oracle 11i Applications
... Architecture Planning: Database Number of databases which will reside on each array Size of the databases Type of database (OLTP, data warehouse …etc.) Combined peak I/O for all databases Segmentation of I/O by database object Number of concurrent users Database response time Other ...
... Architecture Planning: Database Number of databases which will reside on each array Size of the databases Type of database (OLTP, data warehouse …etc.) Combined peak I/O for all databases Segmentation of I/O by database object Number of concurrent users Database response time Other ...
DB_Lab 12 - WordPress.com
... Exceptions can be internally defined (by the run-time system) or user defined. Internally defined exceptions include division by zero and out of memory. Some common internal exceptions have predefined names, such as ZERO_DIVIDE and STORAGE_ERROR. The others can be given names. An exception is an ide ...
... Exceptions can be internally defined (by the run-time system) or user defined. Internally defined exceptions include division by zero and out of memory. Some common internal exceptions have predefined names, such as ZERO_DIVIDE and STORAGE_ERROR. The others can be given names. An exception is an ide ...
Techwave_2001_EM413-_Mark_Culp
... If ASA uses a plan that has the remote table on the right side of the join operator, then the remote data will be hauled across the communication link multiple times – once for each left hand side row. For each row s in S for each row r in ( select * from R ) if s.k = r.k match row ...
... If ASA uses a plan that has the remote table on the right side of the join operator, then the remote data will be hauled across the communication link multiple times – once for each left hand side row. For each row s in S for each row r in ( select * from R ) if s.k = r.k match row ...
3.Dealing (again) with forms in Php
... The function htmlspecialchars() makes sure any characters that are special in html are properly encoded so users can't inject HTML tags or Javascript into the page. For the age field, since it is known ...
... The function htmlspecialchars() makes sure any characters that are special in html are properly encoded so users can't inject HTML tags or Javascript into the page. For the age field, since it is known ...
Stream Processing in Emerging Distributed Applications
... books and place orders online.” – Books: • For each book, B&N’s catalog contains its ISBN number, title, author, price, year of publication, … ...
... books and place orders online.” – Books: • For each book, B&N’s catalog contains its ISBN number, title, author, price, year of publication, … ...
session 14
... If STARTUP NOMOUNT is issued, the instance will be started – creates the SGA and starts the background processes, but does not allow access to the database. If STARTUP MOUNT is issued, the instance will be started and the control file will be opened. The control files are read to obtain the names an ...
... If STARTUP NOMOUNT is issued, the instance will be started – creates the SGA and starts the background processes, but does not allow access to the database. If STARTUP MOUNT is issued, the instance will be started and the control file will be opened. The control files are read to obtain the names an ...
JDBC Stands for Java Database Connectivity, is an API specification
... should not use it for mission-critical application if native JDBC driver is available. 2. Bridge uses C language code so can not be used in untrusted applets. So this depends on operating systems. 3.Since Bridge uses existing ODBC driver any bug in the driver would be carried-forward 4.If a thing th ...
... should not use it for mission-critical application if native JDBC driver is available. 2. Bridge uses C language code so can not be used in untrusted applets. So this depends on operating systems. 3.Since Bridge uses existing ODBC driver any bug in the driver would be carried-forward 4.If a thing th ...
Chapter 3
... (Structured Query Language): language for manipulating relational databases Three classes of statements: definition, query, and manipulation You create objects with the CREATE statement You perform queries with the SELECT statement the condition is part of the WHERE clause Concepts of Databa ...
... (Structured Query Language): language for manipulating relational databases Three classes of statements: definition, query, and manipulation You create objects with the CREATE statement You perform queries with the SELECT statement the condition is part of the WHERE clause Concepts of Databa ...
System Administration Certification exam 918 for IBM Informix
... A sensor is a specialized TASK for collecting and saving data. A sensor can be created the same way as a task by inserting a row in the ph_task table, with some additional information. To set up a new sensor, you need to plan first. You need to have: • A description of the sensor • The result table ...
... A sensor is a specialized TASK for collecting and saving data. A sensor can be created the same way as a task by inserting a row in the ph_task table, with some additional information. To set up a new sensor, you need to plan first. You need to have: • A description of the sensor • The result table ...
ORACLE DBA HANDBOOK
... It is responsible to redo log buffer management. Almost all activities against the database are tracked in the online redo logs. As transaction are initiated and eventually committed or rolled back, a record of this activity is written to these log files. Log writer writes to redo logs sequentially. ...
... It is responsible to redo log buffer management. Almost all activities against the database are tracked in the online redo logs. As transaction are initiated and eventually committed or rolled back, a record of this activity is written to these log files. Log writer writes to redo logs sequentially. ...
12. Programmatic Database Access with ADO.NET
... Flushing changes back to database • Reconnect, and apply adapter's Update() method – use CommandBuilder object to generate necessary SQL for you // retrieve existing data set from grid… ds = (DataSet) this.dataGrid1.get_DataSource(); ...
... Flushing changes back to database • Reconnect, and apply adapter's Update() method – use CommandBuilder object to generate necessary SQL for you // retrieve existing data set from grid… ds = (DataSet) this.dataGrid1.get_DataSource(); ...
Crystal Reports
... Database connectivity errors represent a large percentage of errors encountered when running a Crystal Report at runtime through a custom application. Usually these errors occur due to: ...
... Database connectivity errors represent a large percentage of errors encountered when running a Crystal Report at runtime through a custom application. Usually these errors occur due to: ...
02 Backend Architecture
... top-level interface is IBackendObject which provides a number of attributes common to all objects in the backend. The IEntity, IUser, and IContent classes derive from this, each adding methods specific to users and content. Another interface, IBackendObjectCollection, is also exposed, which not only ...
... top-level interface is IBackendObject which provides a number of attributes common to all objects in the backend. The IEntity, IUser, and IContent classes derive from this, each adding methods specific to users and content. Another interface, IBackendObjectCollection, is also exposed, which not only ...
Data Extraction, Transformation, and Loading Techniques
... granularity as the source system. For example, a retail client may decide to roll data up to the SKU level by day rather than track individual line item data. The level of item detail that is stored in the fact table of the data warehouse is called the grain of the data. If the grain of the target d ...
... granularity as the source system. For example, a retail client may decide to roll data up to the SKU level by day rather than track individual line item data. The level of item detail that is stored in the fact table of the data warehouse is called the grain of the data. If the grain of the target d ...
Recovering SQL Server Databases
... However, using tape as the primary backup and recovery mechanism also imposes constraints. ...
... However, using tape as the primary backup and recovery mechanism also imposes constraints. ...
Oracle Advanced Security Data Redaction with Oracle Database 12c
... Because it is part of the Oracle Database kernel, Oracle Data Redaction provides fast kernel-level speed. It has very little impact on the performance of applications or the database itself. The performance overhead from full and partial redaction is near zero in most cases. ...
... Because it is part of the Oracle Database kernel, Oracle Data Redaction provides fast kernel-level speed. It has very little impact on the performance of applications or the database itself. The performance overhead from full and partial redaction is near zero in most cases. ...
Remote Site Recovery of Oracle Enterprise Data Warehouse
... At its headquarters in Hopkinton, Massachusetts, EMC IT maintains a 12 TB Oracle data warehouse, deployed on an Oracle Real Application Clusters (RAC) 11g environment. To demonstrate the benefits and implementation of the solution documented in this white paper, this real-world production database w ...
... At its headquarters in Hopkinton, Massachusetts, EMC IT maintains a 12 TB Oracle data warehouse, deployed on an Oracle Real Application Clusters (RAC) 11g environment. To demonstrate the benefits and implementation of the solution documented in this white paper, this real-world production database w ...