OVERVIEW OF TRANSACTION MANAGEMENT
... (j) A recoverable schedule is one in which a transaction can commit only after all other transactions whose changes it has read have committed. (k) A schedule that avoids-cascading-aborts is one in which transactions only read the changes of committed transactions. Such a schedule is not only recove ...
... (j) A recoverable schedule is one in which a transaction can commit only after all other transactions whose changes it has read have committed. (k) A schedule that avoids-cascading-aborts is one in which transactions only read the changes of committed transactions. Such a schedule is not only recove ...
EPICS Version 4 Development Plan
... In 1989 several international and domestic labs showed interest to use it. Collaboration made with APS. EPICS release shows up in 1991 with process database rewritten to clarify the interface to hardware and new record types. Channel access continues to mature. Data types in Channel Access stay the ...
... In 1989 several international and domestic labs showed interest to use it. Collaboration made with APS. EPICS release shows up in 1991 with process database rewritten to clarify the interface to hardware and new record types. Channel access continues to mature. Data types in Channel Access stay the ...
Grouper Loader
... on the Grouper web server linked from: • http://www.internet2.edu/grouper/software.html ...
... on the Grouper web server linked from: • http://www.internet2.edu/grouper/software.html ...
PPT - Electrical and Computer Engineering Department
... if and only if there exists some item Q accessed by both li and lj, and at least one of these instructions wrote Q. 1. li = read(Q), lj = read(Q). 2. li = read(Q), lj = write(Q). 3. li = write(Q), lj = read(Q). ...
... if and only if there exists some item Q accessed by both li and lj, and at least one of these instructions wrote Q. 1. li = read(Q), lj = read(Q). 2. li = read(Q), lj = write(Q). 3. li = write(Q), lj = read(Q). ...
Oracle Database 10g: Administration Workshop I
... silent mode, perform the following steps: 1. Create the oraInst.loc file, if it does not already exist. 2. Prepare a response file based on file templates that are delivered with the Oracle software. 3. Record a response file: .runInstaller –record -destinationFile
4. Run OUI in silent or ...
... silent mode, perform the following steps: 1. Create the oraInst.loc file, if it does not already exist. 2. Prepare a response file based on file templates that are delivered with the Oracle software. 3. Record a response file: .runInstaller –record -destinationFile
Introduction to JDBC Programming
... Holds the pickle image (in the low level storage format) Contains a “values” array of oracle.sql.Datum objects Each attribute is already in its true data type getAttribute() retrieves values array as java.lang.Object[] Casts Struct to oracle.sql.STRUCT to use oracle.sql extensions ...
... Holds the pickle image (in the low level storage format) Contains a “values” array of oracle.sql.Datum objects Each attribute is already in its true data type getAttribute() retrieves values array as java.lang.Object[] Casts Struct to oracle.sql.STRUCT to use oracle.sql extensions ...
Variables Storage, Type, Declaration.
... Data independence services Copyright © 1998-2016 Curt Hill ...
... Data independence services Copyright © 1998-2016 Curt Hill ...
DARS on the Web
... Degree Audit Reports (Web Interactive & Web batch access) Maintain DARS Exceptions (Web Interactive access) DARS Degree Programs index web pages (Batch module, used by the Degree Audit Reports module) SWT Degree Programs report (Batch module, used to check data integrity) ...
... Degree Audit Reports (Web Interactive & Web batch access) Maintain DARS Exceptions (Web Interactive access) DARS Degree Programs index web pages (Batch module, used by the Degree Audit Reports module) SWT Degree Programs report (Batch module, used to check data integrity) ...
PDF
... on schema evolution. We are not limiting ourselves to database schema evolution but also consider related fields such as ontology evolution, software evolution and workflow evolution. We have found these evolution problems are often similar so that proposed solutions may be transferable to different ...
... on schema evolution. We are not limiting ourselves to database schema evolution but also consider related fields such as ontology evolution, software evolution and workflow evolution. We have found these evolution problems are often similar so that proposed solutions may be transferable to different ...
An Online Bibliography on Schema Evolution
... on schema evolution. We are not limiting ourselves to database schema evolution but also consider related fields such as ontology evolution, software evolution and workflow evolution. We have found these evolution problems are often similar so that proposed solutions may be transferable to different ...
... on schema evolution. We are not limiting ourselves to database schema evolution but also consider related fields such as ontology evolution, software evolution and workflow evolution. We have found these evolution problems are often similar so that proposed solutions may be transferable to different ...
Understanding and Selecting a Database Encryption
... Over the last two decades, database security has meant access controls and encryption. Access controls to gate who should and should not be allowed access to the database, and encryption to protect data at rest. The use of access control systems for databases is well documented, and the available so ...
... Over the last two decades, database security has meant access controls and encryption. Access controls to gate who should and should not be allowed access to the database, and encryption to protect data at rest. The use of access control systems for databases is well documented, and the available so ...
Lesson06 Implementing Views
... Performance Considerations for Views Views introduce performance overhead because views are resolved dynamically Nested views introduce risk of performance problems ...
... Performance Considerations for Views Views introduce performance overhead because views are resolved dynamically Nested views introduce risk of performance problems ...
Business Intelligence in SQL Server 2008
... builds on its strong legacy of support for both relational and non-relational data by providing data types that enable developers and administrators to efficiently store and manage unstructured data, such as documents and images, so you can store, manage, and analyze data in the format that best sui ...
... builds on its strong legacy of support for both relational and non-relational data by providing data types that enable developers and administrators to efficiently store and manage unstructured data, such as documents and images, so you can store, manage, and analyze data in the format that best sui ...
slide-04 - Informatika
... • Positional tuples, without attribute names • Tuples as mappings/functions of attributes ...
... • Positional tuples, without attribute names • Tuples as mappings/functions of attributes ...
Semantic Business Process Repository
... feature great performance improvement comparing with main memory systems, but efficient database techniques (e.g., cost-based query planning, caching, buffering) they utilize are suited only for EDB relations and not fully deployable on derived relations. IRIS is designed to meet requirements for la ...
... feature great performance improvement comparing with main memory systems, but efficient database techniques (e.g., cost-based query planning, caching, buffering) they utilize are suited only for EDB relations and not fully deployable on derived relations. IRIS is designed to meet requirements for la ...
Networking and Distributed Processing
... Designers must provide mechanisms to ensure consistency among the state information at different machines ...
... Designers must provide mechanisms to ensure consistency among the state information at different machines ...
Now
... • In order to facilitate user account management on Sybase, the driver’s database login account has to be granted system administrator rights • Making the driver a sys admin, however, changes the driver’s identity to “dbo” • Because the driver’s identity is no longer unique, the publisher is unable ...
... • In order to facilitate user account management on Sybase, the driver’s database login account has to be granted system administrator rights • Making the driver a sys admin, however, changes the driver’s identity to “dbo” • Because the driver’s identity is no longer unique, the publisher is unable ...
Database
... selecting authorID and lastName from table authors ensures that the columns will appear in the result with authorID as the first column and lastName as the second column. Programs typically process result columns by specifying the column number in the result (starting from number 1 for the first col ...
... selecting authorID and lastName from table authors ensures that the columns will appear in the result with authorID as the first column and lastName as the second column. Programs typically process result columns by specifying the column number in the result (starting from number 1 for the first col ...
Enabling Usage Tracking
... – End-user queries may not match what is expected, so cache is not seeded with appropriate queries. – Additional aggregate tables may need to be created to speed up query processing. ...
... – End-user queries may not match what is expected, so cache is not seeded with appropriate queries. – Additional aggregate tables may need to be created to speed up query processing. ...
1.1 What is a Database?
... but are included in one table. The same data might (and generally does) appear in multiple records in the table. For example, a customer’s full name and address might be stored in many records of an Orders table. If that customer’s address changes, it must be changed in all those records. Flat-file ...
... but are included in one table. The same data might (and generally does) appear in multiple records in the table. For example, a customer’s full name and address might be stored in many records of an Orders table. If that customer’s address changes, it must be changed in all those records. Flat-file ...
Chapter 10_Database_Space_Management
... multiple data files to collectively store its data. When you create a tablespace, you can create one or more data files for the new tablespace. In general, you create a tablespace with multiple data files on different disks to distribute the disk I/O associated with accessing a tablespace's data. Th ...
... multiple data files to collectively store its data. When you create a tablespace, you can create one or more data files for the new tablespace. In general, you create a tablespace with multiple data files on different disks to distribute the disk I/O associated with accessing a tablespace's data. Th ...
teradata utilities - dbmanagement.info
... that retrieves data from various ODBC databases and stores it on your desktop. Enables users to combine data retrieved from ODBC-based databases with desktop applications (e.g. Excel). ...
... that retrieves data from various ODBC databases and stores it on your desktop. Enables users to combine data retrieved from ODBC-based databases with desktop applications (e.g. Excel). ...
Avoiding Common Traps When Accessing RDBMS Data
... the data set and renaming the new data set to have the same name as the previous version. So, you really wind up with a completely “new” data set that has the same name as the original one. Relational databases don’t work this way: creating a table is normally a long-term commitment, with changes ma ...
... the data set and renaming the new data set to have the same name as the previous version. So, you really wind up with a completely “new” data set that has the same name as the original one. Relational databases don’t work this way: creating a table is normally a long-term commitment, with changes ma ...
TestPartner Installation Guide
... Getting Help If ever you have any problems or you would like additional technical information or advice, there are several sources. In some countries, product support from Micro Focus may be available only to customers who have maintenance agreements. If you obtained this product directly from Micro ...
... Getting Help If ever you have any problems or you would like additional technical information or advice, there are several sources. In some countries, product support from Micro Focus may be available only to customers who have maintenance agreements. If you obtained this product directly from Micro ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.