Document
... all updates are made on a shadow copy of the database, and db_pointer is made to point to the updated shadow copy only after the transaction reaches partial commit and all updated pages have been flushed to disk. in case transaction fails, old consistent copy pointed to by db_pointer can be used ...
... all updates are made on a shadow copy of the database, and db_pointer is made to point to the updated shadow copy only after the transaction reaches partial commit and all updated pages have been flushed to disk. in case transaction fails, old consistent copy pointed to by db_pointer can be used ...
Physical Design
... Planning for size and growth Planning for data warehouse storage as well as other storage such as staging area and client desktops ...
... Planning for size and growth Planning for data warehouse storage as well as other storage such as staging area and client desktops ...
slides
... undo a specific Xact (e.g., to resolve a deadlock). • Log is often duplexed and archived on “stable” storage. • All log related activities (and in fact, all CC related activities such as lock/unlock, dealing with deadlocks etc.) are handled transparently by the DBMS. CS 4320 ...
... undo a specific Xact (e.g., to resolve a deadlock). • Log is often duplexed and archived on “stable” storage. • All log related activities (and in fact, all CC related activities such as lock/unlock, dealing with deadlocks etc.) are handled transparently by the DBMS. CS 4320 ...
Lesson 22 Getting Started with Access Essentials
... Creating a Table in Datasheet View (cont): A record is a group of related fields in a database, such as all the contact information for an individual, including first and last name, address, postal code, telephone number, and so forth. When you create a table, the default setting creates a primary k ...
... Creating a Table in Datasheet View (cont): A record is a group of related fields in a database, such as all the contact information for an individual, including first and last name, address, postal code, telephone number, and so forth. When you create a table, the default setting creates a primary k ...
DS_13_olap
... An important form of mining from relational data involves market baskets = sets of “items” that are purchased together as a customer leaves a store. Summary of basket data is frequent itemsets = sets of items that often appear together in baskets. ...
... An important form of mining from relational data involves market baskets = sets of “items” that are purchased together as a customer leaves a store. Summary of basket data is frequent itemsets = sets of items that often appear together in baskets. ...
MS-SQL Advantages - Sloan Digital Sky Survey
... offer significant advantages for the anticipated SDSS Science Archive (SA) data model and application. OODBs have a larger set of available data types and the ability to use object associations to traverse references (links) between objects instead of the expensive table joins used in relational da ...
... offer significant advantages for the anticipated SDSS Science Archive (SA) data model and application. OODBs have a larger set of available data types and the ability to use object associations to traverse references (links) between objects instead of the expensive table joins used in relational da ...
Providing Standardization to DHI (Dairy Herd Improvement) Databases with SAS and using SAS products to deliver user friendly applications.
... When analyzing data, it is always better to have common variables calculated in a standardized manner. However, due to lack of calculation standardization of core parameters within the dairy industry, different organizations have developed central databases and software management programs that have ...
... When analyzing data, it is always better to have common variables calculated in a standardized manner. However, due to lack of calculation standardization of core parameters within the dairy industry, different organizations have developed central databases and software management programs that have ...
Database transaction
... Database transaction is an important concept to understand while working in database and SQL. Transaction in database is required to protect data and keep it consistent when multiple users access the database at same time. What is transaction in database? Database transaction is collection of SQL qu ...
... Database transaction is an important concept to understand while working in database and SQL. Transaction in database is required to protect data and keep it consistent when multiple users access the database at same time. What is transaction in database? Database transaction is collection of SQL qu ...
Slide 1: In this demonstration, we are going to discuss Data
... do this regularly. If you are not allowed to do this, ask your DBA. SQL Server Profiler is running in the background. It will determine the query that is running and create a query for you to provide to the Database Engine Tuning Advisor. Usually a company will let the SQL Server Profiler run 2-3 da ...
... do this regularly. If you are not allowed to do this, ask your DBA. SQL Server Profiler is running in the background. It will determine the query that is running and create a query for you to provide to the Database Engine Tuning Advisor. Usually a company will let the SQL Server Profiler run 2-3 da ...
PL/SQL - STIKOM Surabaya
... • Two variables can have the same name, provided they are in different blocks • The variable name (identifier) should not be the same as the name of table columns used in the block • The names of the variables must not be longer than 30 characters. The first character must be a letter; the remaining ...
... • Two variables can have the same name, provided they are in different blocks • The variable name (identifier) should not be the same as the name of table columns used in the block • The names of the variables must not be longer than 30 characters. The first character must be a letter; the remaining ...
Building Data-Driven Web Sites in ASP.NET 2.0
... If instance methods are used: New class instance on each call Must have public default constructor ...
... If instance methods are used: New class instance on each call Must have public default constructor ...
Chapter No. 1 "Getting Started with Information Integration"
... The challenge begins during the initial analysis of the source data when most of the assumptions about the data are proved wrong. Since there is never enough time planned for analysis, any mapping specification from the mainframe to Oracle is effectively an intelligent guess. Based on the initial ma ...
... The challenge begins during the initial analysis of the source data when most of the assumptions about the data are proved wrong. Since there is never enough time planned for analysis, any mapping specification from the mainframe to Oracle is effectively an intelligent guess. Based on the initial ma ...
Setting up Veritas Cluster Server (VCS)
... group” be defined for each database and associated applications. Each service group contains everything that is relevant to that particular database and application. Then, when failover occurs, everything in that Service Group transfers to the other node For instance, in Figure 1, Service Group “A” ...
... group” be defined for each database and associated applications. Each service group contains everything that is relevant to that particular database and application. Then, when failover occurs, everything in that Service Group transfers to the other node For instance, in Figure 1, Service Group “A” ...
Slide 1
... Make sure you have enough permission to write to its App_Data folder. Using Windows Explorer, locate the App_Data of this new site and right-click on the folder. Select Properties and switch to the security tab. Ensure your account has at least the ...
... Make sure you have enough permission to write to its App_Data folder. Using Windows Explorer, locate the App_Data of this new site and right-click on the folder. Select Properties and switch to the security tab. Ensure your account has at least the ...
EnterPrise2 - Syracuse University`s College of Engineering and
... The goal of physical design is to apply real-world technology constraints to the logical model, including implementation and performance considerations. The output is a set of components, UI design for a particular platform, and physical database design. ...
... The goal of physical design is to apply real-world technology constraints to the logical model, including implementation and performance considerations. The output is a set of components, UI design for a particular platform, and physical database design. ...
from the Oracle Database - Greater Cincinnati Oracle Users Group
... Physical Standby Database is a block-for-block copy of the primary database Uses the database recovery functionality to apply changes While apply is active can be opened in read-only mode for reporting/queries* Supports Fast incremental backups, further offloading the production database Support for ...
... Physical Standby Database is a block-for-block copy of the primary database Uses the database recovery functionality to apply changes While apply is active can be opened in read-only mode for reporting/queries* Supports Fast incremental backups, further offloading the production database Support for ...
Database_performance
... 1. Partitioning— breaking a single database table into sections stored in multiple files. 2. Raw partitions versus file systems— choosing whether to store database data in an OScontrolled file or not. 3. Indexing— choosing the proper indexes and options to enable efficient queries. 4. Denormalizatio ...
... 1. Partitioning— breaking a single database table into sections stored in multiple files. 2. Raw partitions versus file systems— choosing whether to store database data in an OScontrolled file or not. 3. Indexing— choosing the proper indexes and options to enable efficient queries. 4. Denormalizatio ...
DATA REPRESENTATION FOR THE RULES EDITOR Bachelor's thesis
... are being used. While some of the criteria are too complex for the end user, other criteria are irrelevant. A conclusion can be made that only the most used conditions should become available for the editing. The second step is to remove the complexity of editing rules. Rules are now specified using ...
... are being used. While some of the criteria are too complex for the end user, other criteria are irrelevant. A conclusion can be made that only the most used conditions should become available for the editing. The second step is to remove the complexity of editing rules. Rules are now specified using ...