Evaluating and Comparing Oracle Database Appliance X6
... Database performance related bug 13344323 should be addressed. This bug is related to the possibility of a missing post from DBWR that can cause buffer busy waits. As a workaround the _buffer_busy_wait_timeout parameter should be set to 20ms. ...
... Database performance related bug 13344323 should be addressed. This bug is related to the possibility of a missing post from DBWR that can cause buffer busy waits. As a workaround the _buffer_busy_wait_timeout parameter should be set to 20ms. ...
DATASPREAD: Unifying Databases and Spreadsheets
... modifications that correspond to a SQL query. • Computation: spreadsheets support value-at-a-time formulae to allow derived computation, while databases support arbitrary SQL queries operating on groups of tuples at once. We have identified these as research issues and have build the first version o ...
... modifications that correspond to a SQL query. • Computation: spreadsheets support value-at-a-time formulae to allow derived computation, while databases support arbitrary SQL queries operating on groups of tuples at once. We have identified these as research issues and have build the first version o ...
Best Practices ® Minimizing Planned Outages IBM
... Reorgs should not be performed periodically just as a matter of routine. In fact, many DB2 indexes and tables will seldom ever need to be reorganized. For additional information on this topic, see Determining when to reorganize tables and indexes. If you are using the REORGCHK command to determine i ...
... Reorgs should not be performed periodically just as a matter of routine. In fact, many DB2 indexes and tables will seldom ever need to be reorganized. For additional information on this topic, see Determining when to reorganize tables and indexes. If you are using the REORGCHK command to determine i ...
connecting to databases with asp.net
... Your goal in this chapter is to learn how to use ASP.NET to read, write, and modify database information. To accomplish this goal, it helps to first understand how databases work. Formally defined, a database is an ordered collection of information from which a computer program can quickly access in ...
... Your goal in this chapter is to learn how to use ASP.NET to read, write, and modify database information. To accomplish this goal, it helps to first understand how databases work. Formally defined, a database is an ordered collection of information from which a computer program can quickly access in ...
DATASPREAD: Unifying Databases and Spreadsheets
... modifications that correspond to a SQL query. • Computation: spreadsheets support value-at-a-time formulae to allow derived computation, while databases support arbitrary SQL queries operating on groups of tuples at once. We have identified these as research issues and have build the first version o ...
... modifications that correspond to a SQL query. • Computation: spreadsheets support value-at-a-time formulae to allow derived computation, while databases support arbitrary SQL queries operating on groups of tuples at once. We have identified these as research issues and have build the first version o ...
Slides PPT
... Changes are made to user-defined metadata as a design is developed. SchemaEvolver tool compares generated schema with those previously stored. Depending on similarity weighting of closest match the outcome is: Exact match – Metadata conforms to an existing XML Schema Similar – Existing XML Schema mo ...
... Changes are made to user-defined metadata as a design is developed. SchemaEvolver tool compares generated schema with those previously stored. Depending on similarity weighting of closest match the outcome is: Exact match – Metadata conforms to an existing XML Schema Similar – Existing XML Schema mo ...
Overview of Storage and Indexing
... for data records (instead of a Heap file or sorted file). At most one index on a given collection of data records can use Alternative 1. (Otherwise, data records are duplicated, leading to redundant storage and potential inconsistency.) If data records are very large, # of pages containing data entr ...
... for data records (instead of a Heap file or sorted file). At most one index on a given collection of data records can use Alternative 1. (Otherwise, data records are duplicated, leading to redundant storage and potential inconsistency.) If data records are very large, # of pages containing data entr ...
Database Systems - University of Texas at Dallas
... Specifying General Constraints as Assertions in SQL • CREATE ASSERTION – Specify a query that selects any tuples that violate the desired condition – Use only in cases where it is not possible to use CHECK on attributes and domains ...
... Specifying General Constraints as Assertions in SQL • CREATE ASSERTION – Specify a query that selects any tuples that violate the desired condition – Use only in cases where it is not possible to use CHECK on attributes and domains ...
Semantic Web Architecture and Applications
... grammar of the sentence, and also the semantic relationships of the context. These meanings and relationships are then stored in a Semantic web database. The Semantic Web is similar to the schematic logic of an electronic device or the DNA of a living organism. It contains all of the logical conten ...
... grammar of the sentence, and also the semantic relationships of the context. These meanings and relationships are then stored in a Semantic web database. The Semantic Web is similar to the schematic logic of an electronic device or the DNA of a living organism. It contains all of the logical conten ...
Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition
... Ordering of tuples in a relation r(R): The tuples are not considered to be ordered, even though they appear to be in the tabular form. Ordering of attributes in a relation schema R (and of values within each tuple): We will consider the attributes in R(A1, A2, ..., An) and the values in t=
... Ordering of tuples in a relation r(R): The tuples are not considered to be ordered, even though they appear to be in the tabular form. Ordering of attributes in a relation schema R (and of values within each tuple): We will consider the attributes in R(A1, A2, ..., An) and the values in t=
CH1 - Favorite
... It started out with the intention of using the MySQL database system to connect to our tables using our own fast low-level (ISAM) routines. However, after some testing, we came to the conclusion that MySQL was not fast enough or flexible enough for our needs. This resulted in a new SQL interface to ...
... It started out with the intention of using the MySQL database system to connect to our tables using our own fast low-level (ISAM) routines. However, after some testing, we came to the conclusion that MySQL was not fast enough or flexible enough for our needs. This resulted in a new SQL interface to ...
KorthDB6_ch21
... User selects a few relevant documents from those retrieved by keyword query, and system finds other documents similar to these ...
... User selects a few relevant documents from those retrieved by keyword query, and system finds other documents similar to these ...
Storage Schema for Jena1 and Jena2
... memory or in databases In Jena2, architecture was modified to achieve two goals: Provide a simple minimalist view of the RDF graph Allow easy access to, and manipulation of, data in graphs enabling the data to be exposed as triples ...
... memory or in databases In Jena2, architecture was modified to achieve two goals: Provide a simple minimalist view of the RDF graph Allow easy access to, and manipulation of, data in graphs enabling the data to be exposed as triples ...
fdacs: gis gdi - Enterprise 24x7 Inc.
... The mission of the GDI System is to improve how FDACS executives and FDACS Divisions / Offices carry out their missions, especially targeting domestic security planning and response business functions. The GDI System will accomplish this by selectively gathering existing operational data; validating ...
... The mission of the GDI System is to improve how FDACS executives and FDACS Divisions / Offices carry out their missions, especially targeting domestic security planning and response business functions. The GDI System will accomplish this by selectively gathering existing operational data; validating ...
An integrated intranet and dynamic database Postgraduate School
... These databases, while minimally acceptable in the past to simply track personnel and classified material, are obsolete and no longer fully support the staff’s expanding information needs. ...
... These databases, while minimally acceptable in the past to simply track personnel and classified material, are obsolete and no longer fully support the staff’s expanding information needs. ...
Solutions to Review Questions
... separate from the programs that operate on the data. This is held in the system catalog or data dictionary. Programs can now share data, which is no longer fragmented. There is also a reduction in redundancy, and achievement of program-data independence. ...
... separate from the programs that operate on the data. This is held in the system catalog or data dictionary. Programs can now share data, which is no longer fragmented. There is also a reduction in redundancy, and achievement of program-data independence. ...
Preventing, Detecting, and Repairing Block Corruption: Oracle
... Block corruptions are a common source of database outages. A database block is corrupted when its content has changed from what Oracle Database expects to find. If not prevented or repaired, block corruption can bring down the database and possibly result in the loss of key business data. This Oracl ...
... Block corruptions are a common source of database outages. A database block is corrupted when its content has changed from what Oracle Database expects to find. If not prevented or repaired, block corruption can bring down the database and possibly result in the loss of key business data. This Oracl ...
ATLAS Computing - Indico
... We also required one server component which interfaces between the panda servers and ProdDB, bamboo ...
... We also required one server component which interfaces between the panda servers and ProdDB, bamboo ...
SQL Server and Oracle
... Museum, Library and Archive manual), you may open, in a/o Microsoft’s SQL Server Management Studio (Express) or SQL Server Enterprise Manager, an Adlib SQL Server database, and in the Oracle Enterprise Manager Console an Adlib Oracle database, if you would like to see the structure or contents of it ...
... Museum, Library and Archive manual), you may open, in a/o Microsoft’s SQL Server Management Studio (Express) or SQL Server Enterprise Manager, an Adlib SQL Server database, and in the Oracle Enterprise Manager Console an Adlib Oracle database, if you would like to see the structure or contents of it ...