Virtual Database Performance Tuning
... CustomerName could be passed through the Aggregator transformation, and Informatica returns the last occurrence of CustomerName. This logic is not possible in SQL and cannot be passed down. The query log will show that pushdown stops at the Aggregator transformation. Avoid this problem by using an a ...
... CustomerName could be passed through the Aggregator transformation, and Informatica returns the last occurrence of CustomerName. This logic is not possible in SQL and cannot be passed down. The query log will show that pushdown stops at the Aggregator transformation. Avoid this problem by using an a ...
Corporate PPT Template
... channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:45 ...
... channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:45 ...
Corporate PPT Template - Universidad Nacional De Colombia
... channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:45 ...
... channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:45 ...
Using Database Performance Warehouse to Monitor Microsoft SQL
... In other database platforms that SAP supports, a single database application can contain only one database. Therefore, the original Database Performance Warehouse architecture contains a characteristic named Database name. This characteristic always contains the database name you chose when you setu ...
... In other database platforms that SAP supports, a single database application can contain only one database. Therefore, the original Database Performance Warehouse architecture contains a characteristic named Database name. This characteristic always contains the database name you chose when you setu ...
CSc-340 08a
... That is, once the server replies to a request, the server closes the connection with the client, and forgets all about the request In contrast, Unix logins, and JDBC/ODBC connections stay connected until the client disconnects ...
... That is, once the server replies to a request, the server closes the connection with the client, and forgets all about the request In contrast, Unix logins, and JDBC/ODBC connections stay connected until the client disconnects ...
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Welcome [mll.csie.ntu.edu.tw]
... – When some system components fail (hard drive, network, etc.), database can be restored to a good state. ...
... – When some system components fail (hard drive, network, etc.), database can be restored to a good state. ...
Data Definition and Integrity Constraints
... • Often, real-world business rules cannot be implemented using constraints. • Example: The branch manager is notified by e-mail if a client views more than 10 properties. • Different DBMSs often provide a trigger mechanism • Triggers may contain procedural code (if/then/else, function calls) • Trigg ...
... • Often, real-world business rules cannot be implemented using constraints. • Example: The branch manager is notified by e-mail if a client views more than 10 properties. • Different DBMSs often provide a trigger mechanism • Triggers may contain procedural code (if/then/else, function calls) • Trigg ...
Phase 2, Answering queries using views.
... When the event happens, the system will check the constraint, and if satisfied, will perform the action. NOTE: triggers may cause cascading effects. Database vendors did not wait for standards with triggers! ...
... When the event happens, the system will check the constraint, and if satisfied, will perform the action. NOTE: triggers may cause cascading effects. Database vendors did not wait for standards with triggers! ...
The Edge Transport server role
... File and data access for Outlook Web App enables users to access attachments and files stored on other servers ...
... File and data access for Outlook Web App enables users to access attachments and files stored on other servers ...
DBXplorer: A system for keyword based search over relational
... keywords. The query was varied with 2 to 10 keywords and still the average query time was between 1 to 1.3 seconds Also, it was noticed that FK-Comp and CP-Comp reduce the size of Pub-Col by a factor of 0.45 to 0.90 depending on size of original table However, it was noticed that compression add ...
... keywords. The query was varied with 2 to 10 keywords and still the average query time was between 1 to 1.3 seconds Also, it was noticed that FK-Comp and CP-Comp reduce the size of Pub-Col by a factor of 0.45 to 0.90 depending on size of original table However, it was noticed that compression add ...
Course Outline
... a lecture and know how to develop database system. This course includes several design and programming assignments to have hands-on experience on how to design and implement database system using relational database management systems. COURSE PROJECT The project to design and implement a database ap ...
... a lecture and know how to develop database system. This course includes several design and programming assignments to have hands-on experience on how to design and implement database system using relational database management systems. COURSE PROJECT The project to design and implement a database ap ...
Introduction To Oracle - Sushant's Technical Articles
... ·Select the appropriate datatype for each column. ·Define columns that allow nulls last, to conserve storage space. ·Cluster tables whenever appropriate, to conserve storage space and optimize performance of SQL statements. ...
... ·Select the appropriate datatype for each column. ·Define columns that allow nulls last, to conserve storage space. ·Cluster tables whenever appropriate, to conserve storage space and optimize performance of SQL statements. ...
ch08
... Learning Objectives Know the most important features and operations of a relational database. ...
... Learning Objectives Know the most important features and operations of a relational database. ...
PL/SQL
... A stored block which is implicitly called when an event occurs A triggering event is based on a Data Manipulation Language ...
... A stored block which is implicitly called when an event occurs A triggering event is based on a Data Manipulation Language ...
Database Application Development
... EXEC SQL BEGIN DECLARE SECTION ;(=>declare section) char c_sname[20]; short c_minrating; float c_age; EXEC SQL END DECLARE SECTION ...
... EXEC SQL BEGIN DECLARE SECTION ;(=>declare section) char c_sname[20]; short c_minrating; float c_age; EXEC SQL END DECLARE SECTION ...
30-2-Database-Software
... It is easier and more repeatable to put SQL commands in a file and process the file using a MySQL client. For example: ...
... It is easier and more repeatable to put SQL commands in a file and process the file using a MySQL client. For example: ...
JDBC
... A Connection Object represents a connection with a database A Connection Session includes Statements executed and Results got DriverManager.getConnection() - Standard way to establish connection The method takes a string containing a URL DriverManager tries to use each of the drivers in the order of ...
... A Connection Object represents a connection with a database A Connection Session includes Statements executed and Results got DriverManager.getConnection() - Standard way to establish connection The method takes a string containing a URL DriverManager tries to use each of the drivers in the order of ...
WCFSQLTablePollingBlogdocx
... and retrieve some data when the conditions are met. The WCF-based adapters available with the BizTalk Adapter Pack enable the adapter clients to receive data-change messages from the SQL Server database(s). The adapter(s) supports receiving "pollingbased" messages wherein the adapter executes a spec ...
... and retrieve some data when the conditions are met. The WCF-based adapters available with the BizTalk Adapter Pack enable the adapter clients to receive data-change messages from the SQL Server database(s). The adapter(s) supports receiving "pollingbased" messages wherein the adapter executes a spec ...
3.2-HadoopDB
... • Introduction, desired properties and background • HadoopDB Architecture • Results ...
... • Introduction, desired properties and background • HadoopDB Architecture • Results ...
HTML DB Applications/Solutions
... • We are now able to process Purse payouts, in large numbers from within HTML DB • This has resulted in significant time savings for our accounts payable dept, and reduced our need to hire new staff..approx savings were $100,000 • Our financial dashboard application was built with very low cost…We e ...
... • We are now able to process Purse payouts, in large numbers from within HTML DB • This has resulted in significant time savings for our accounts payable dept, and reduced our need to hire new staff..approx savings were $100,000 • Our financial dashboard application was built with very low cost…We e ...
Joins and subqueries
... A subquery can be defined as a SELECT query that returns a single value Subqueries are nested within a SELECT, INSERT, UPDATE, or DELETE statement Subqueries can be used to retrieve data from multiple tables and can be used as an alternative to a join Subqueries can also be used inside the WHERE ...
... A subquery can be defined as a SELECT query that returns a single value Subqueries are nested within a SELECT, INSERT, UPDATE, or DELETE statement Subqueries can be used to retrieve data from multiple tables and can be used as an alternative to a join Subqueries can also be used inside the WHERE ...