MySQL
... wall. In what state is your data now? Atomicity means that either the three statements changed all your data, or none of it. ...
... wall. In what state is your data now? Atomicity means that either the three statements changed all your data, or none of it. ...
1. File Systems and Databases
... • Integrity constraints (e.g. account balance > 0) become part of program code • Hard to add new constraints or change existing ones ...
... • Integrity constraints (e.g. account balance > 0) become part of program code • Hard to add new constraints or change existing ones ...
Indexing Temporal Data with Virtual Structure
... Modern database system, such as used for tracking moving objects, contain a significant amount of time dependent data [6]. Over the last two decades due to increased number of spatio-temporal applications interest in the field of temporal databases has increased significantly with contributions from ...
... Modern database system, such as used for tracking moving objects, contain a significant amount of time dependent data [6]. Over the last two decades due to increased number of spatio-temporal applications interest in the field of temporal databases has increased significantly with contributions from ...
Database Engines on Multicores Scale
... The remainder of this paper is organized as follows: Section 2 provides an overview of DBMS sub-components, their interactions and performance impact; Sections 3 and 4 present a practical performance study, and propose some modifications for improving their performance on a single machine multicores ...
... The remainder of this paper is organized as follows: Section 2 provides an overview of DBMS sub-components, their interactions and performance impact; Sections 3 and 4 present a practical performance study, and propose some modifications for improving their performance on a single machine multicores ...
Indexing Temporal Data with Virtual Structure
... Modern database system, such as used for tracking moving objects, contain a significant amount of time dependent data [6]. Over the last two decades due to increased number of spatio-temporal applications interest in the field of temporal databases has increased significantly with contributions from ...
... Modern database system, such as used for tracking moving objects, contain a significant amount of time dependent data [6]. Over the last two decades due to increased number of spatio-temporal applications interest in the field of temporal databases has increased significantly with contributions from ...
Concurrency Control
... Allow people to lock at each level, but with a special protocol using new “intention” locks: ...
... Allow people to lock at each level, but with a special protocol using new “intention” locks: ...
Database Connections
... JDBC is a SQL-level API This API is used by java programs to send SQL statements to a DBMS; the result of the query is returned back to the program through the API A JDBC driver is used as the pipeline through which queries are sent and results are received The basic goal of Java developers, in desi ...
... JDBC is a SQL-level API This API is used by java programs to send SQL statements to a DBMS; the result of the query is returned back to the program through the API A JDBC driver is used as the pipeline through which queries are sent and results are received The basic goal of Java developers, in desi ...
download
... number of parts and these are used to identify the matching SQL row. The delimiter used to separate the different parts of the item-id is ‘\’ by default, however this can be changed to a character of your choosing. Dictionary definitions will also be automatically created for each column specified w ...
... number of parts and these are used to identify the matching SQL row. The delimiter used to separate the different parts of the item-id is ‘\’ by default, however this can be changed to a character of your choosing. Dictionary definitions will also be automatically created for each column specified w ...
Database Environment
... u A homonym is a single name that is used for two different data items (e.g. in a bank the term balance might be used to designate a checking account balance in one department and a savings account balance in a different department) ...
... u A homonym is a single name that is used for two different data items (e.g. in a bank the term balance might be used to designate a checking account balance in one department and a savings account balance in a different department) ...
High-Precision Natural Language Interfaces: A Graph
... What are the Chinese restaurants in Seattle ? What is the population of Washington ? ...
... What are the Chinese restaurants in Seattle ? What is the population of Washington ? ...
4902RecoveryCh19
... •Periodically the system performs a checkpoint •Transactions are temporarily suspended •All modified main memory buffers are written to disk •A checkpoint record is force-written to the log (i.e. written ...
... •Periodically the system performs a checkpoint •Transactions are temporarily suspended •All modified main memory buffers are written to disk •A checkpoint record is force-written to the log (i.e. written ...
PowerPoint - SW
... With DATAMASTER it is as easy to define a data entry program as a query with IQ. Within the program the user may create, amend and delete information from one or more tables. When the application is executed by NETDM it provides what may be conpared to a HTML form where the user may enter informatio ...
... With DATAMASTER it is as easy to define a data entry program as a query with IQ. Within the program the user may create, amend and delete information from one or more tables. When the application is executed by NETDM it provides what may be conpared to a HTML form where the user may enter informatio ...
Creating the Data Layer
... Notice how the syntax for the parameter is set up. Firstly it has a prefix of @ identifying it as a parameter rather than a field Notice the logical comparison where AddressNo = @AddressNo; This tells the stored procedure to locate any records in the data where the unique identifier value matches th ...
... Notice how the syntax for the parameter is set up. Firstly it has a prefix of @ identifying it as a parameter rather than a field Notice the logical comparison where AddressNo = @AddressNo; This tells the stored procedure to locate any records in the data where the unique identifier value matches th ...
Title of Presentation
... Page Verify: Checksum Autogrowth: Use mainly for catching mistakes. File growth should be managed manually. Use fixed amount, not percentage ...
... Page Verify: Checksum Autogrowth: Use mainly for catching mistakes. File growth should be managed manually. Use fixed amount, not percentage ...
Grants Reporting
... Updated nightly – data is one day older than production Example: JV you do today will be there tomorrow Security is based on Purposes or DeptID (for proposals) Security changes/updates also take one day to be reflected in Reporting database ...
... Updated nightly – data is one day older than production Example: JV you do today will be there tomorrow Security is based on Purposes or DeptID (for proposals) Security changes/updates also take one day to be reflected in Reporting database ...
J2EE: Black Box in the Oracle World
... Agnostic JVM server support Fast installation and data collection techniques Cost Effective EASE OF USE – MAKE IT OBVIOUS! ...
... Agnostic JVM server support Fast installation and data collection techniques Cost Effective EASE OF USE – MAKE IT OBVIOUS! ...
Database Management Systems 2010/11 -- Chapter 1: Introduction --
... Object-oriented database management systems (OODBMSs) were introduced in late 1980s and early 1990s to cater to the need of complex data processing in CAD and other applications. Pure OODBMSs have disappeared. Many relational DBMSs have incorporated object database concepts, leading to a new categor ...
... Object-oriented database management systems (OODBMSs) were introduced in late 1980s and early 1990s to cater to the need of complex data processing in CAD and other applications. Pure OODBMSs have disappeared. Many relational DBMSs have incorporated object database concepts, leading to a new categor ...
Get More out of Your Databases with search
... 3) How Database SBAs Work 3.1 The Search Engine Index: An Alternate Data Access Layer In the SBA framework for database applications, a search engine indexes content from a database system (individual databases, data marts or data warehouses), creating an optimized view of the information contained ...
... 3) How Database SBAs Work 3.1 The Search Engine Index: An Alternate Data Access Layer In the SBA framework for database applications, a search engine indexes content from a database system (individual databases, data marts or data warehouses), creating an optimized view of the information contained ...
Handy Annotations within Oracle 10g
... commercial at processing applications. It attained its primary position because of its simplicity, which eases the job of the programmer, compared to earlier data models such as the network model or the hierarchical model. A relational database consists of a collection of tables, each of which is as ...
... commercial at processing applications. It attained its primary position because of its simplicity, which eases the job of the programmer, compared to earlier data models such as the network model or the hierarchical model. A relational database consists of a collection of tables, each of which is as ...
Transactions and Concurrency Control
... checkpoint) to identify all Xacts that were active, and all dirty pages in the buffer pool at the time of the crash. Redo: Redoes all updates to dirty pages in the buffer pool, as needed, to ensure that all logged updates are in fact carried out and written to disk. Undo: The writes of all Xacts tha ...
... checkpoint) to identify all Xacts that were active, and all dirty pages in the buffer pool at the time of the crash. Redo: Redoes all updates to dirty pages in the buffer pool, as needed, to ensure that all logged updates are in fact carried out and written to disk. Undo: The writes of all Xacts tha ...
Microsoft Jet Database Engine
The Microsoft Jet Database Engine is a database engine on which several Microsoft products have been built. A database engine is the underlying component of a database, a collection of information stored on a computer in a systematic way. The first version of Jet was developed in 1992, consisting of three modules which could be used to manipulate a database.Database connect for MicrosoftJET stands for Joint Engine Technology, sometimes being referred to as Microsoft JET Engine or simply Jet. Microsoft Access and Visual Basic use or have used Jet as their underlying database engine. It has since been superseded for general use, however, first by Microsoft Desktop Engine (MSDE), then later by SQL Server Express. For larger database needs, Jet databases can be upgraded (or, in Microsoft parlance, ""up-sized"") to Microsoft's flagship database product, SQL Server.However, this does not mean that a MS Jet (Red) database cannot match MS SQL Server in storage capacity. A 5 billion record MS Jet (Red) database with compression and encryption turned on requires about 1 terabyte of disk storage space, comprising hundreds of (*.mdb) files, each acting as partial table, and not as a database in itself.Over the years, Jet has become almost synonymous with Microsoft Access, to the extent that many people refer to a Jet database as an ""Access database"".