ps - CS
... from Java applications Information is transferred from relations to objects and vice-versa databases optimized for searching/indexing objects optimized for engineering/flexibility ...
... from Java applications Information is transferred from relations to objects and vice-versa databases optimized for searching/indexing objects optimized for engineering/flexibility ...
Chapter 7: Relational Database Design
... Everything reachable from that object will also be persistent You then write plain old Java code, and all changes to the persistent objects are stored in a database When you run the program again, those persistent objects have the same values they used to have! Solves the “impedance mismatch ...
... Everything reachable from that object will also be persistent You then write plain old Java code, and all changes to the persistent objects are stored in a database When you run the program again, those persistent objects have the same values they used to have! Solves the “impedance mismatch ...
Accessing Data from Your PC Using Version 7 of the SAS System, Presented by Michael Ho, SAS Institute Inc.
... new data sources, Microsoft Access and Excel 97, have also been added. A conversion utility has also been developed to aid in the conversion of existing AS/400 and MS SQL view descriptors to ODBC view descriptors. ...
... new data sources, Microsoft Access and Excel 97, have also been added. A conversion utility has also been developed to aid in the conversion of existing AS/400 and MS SQL view descriptors to ODBC view descriptors. ...
Chapter 10, Slide 1 Starting Out with Visual Basic 3 rd Edition
... Reading Dataset Rows with For-Each A For-Each statement can be used to iterate over all rows of a dataset Usually use a strongly typed dataset for this Sum Amount column of dsPayments dataset ...
... Reading Dataset Rows with For-Each A For-Each statement can be used to iterate over all rows of a dataset Usually use a strongly typed dataset for this Sum Amount column of dsPayments dataset ...
DBMS functions
... a checkpoint record is written into the log periodically at that point when the system writes out to the database on disk the effect of all WRITE operations of committed transactions recovery manager decides at what intervals to take a check point in minutes or number of committed transaction checkp ...
... a checkpoint record is written into the log periodically at that point when the system writes out to the database on disk the effect of all WRITE operations of committed transactions recovery manager decides at what intervals to take a check point in minutes or number of committed transaction checkp ...
Microsoft SQL Server I/O Basics
... The time of last access is a caching algorithm that enables cache entries to be ordered by their access times. SQL Server 2005 changed its lazy writer so that it returns data pages to the free list based on the time they were last accessed. This is different from the reference count design that was ...
... The time of last access is a caching algorithm that enables cache entries to be ordered by their access times. SQL Server 2005 changed its lazy writer so that it returns data pages to the free list based on the time they were last accessed. This is different from the reference count design that was ...
Corporate PPT Template
... How does an organization get a consolidated view of its information – in real time ? ...
... How does an organization get a consolidated view of its information – in real time ? ...
Lecture 1- Query Processing
... Algorithm A1 (linear search). Scan each file block and test all records to see whether they satisfy the selection condition. Cost estimate = br block transfers + 1 seek br ...
... Algorithm A1 (linear search). Scan each file block and test all records to see whether they satisfy the selection condition. Cost estimate = br block transfers + 1 seek br ...
Visual Web Developer - Dei-Isep
... table data is displayed in a grid where users can select individual rows. When they do, one or more detail records are displayed in a scrollable control elsewhere on the page. For illustration purposes, you will use the Northwind Categories table as the master table and the Products table as the det ...
... table data is displayed in a grid where users can select individual rows. When they do, one or more detail records are displayed in a scrollable control elsewhere on the page. For illustration purposes, you will use the Northwind Categories table as the master table and the Products table as the det ...
Advanced SQL Injection
... Almost all SQL databases are based on the RDBM (Relational Database Model) One important fact for SQL Injection Amongst Codd's 12 rules for a Truly Relational Database System: 4. Metadata (data about the database) must be stored in the database just as regular data is ...
... Almost all SQL databases are based on the RDBM (Relational Database Model) One important fact for SQL Injection Amongst Codd's 12 rules for a Truly Relational Database System: 4. Metadata (data about the database) must be stored in the database just as regular data is ...
Application Development in Web Mapping 2. Spatial Data Storage
... 5. 2.5 About the PostgreSQL environment 5.1. 2.5.1 Terminology Server The PostgreSQL server manages databases and serves requests coming from client applications. The PostgreSQL server has no user interface, you must use a client application to access a database. Client A client is an application th ...
... 5. 2.5 About the PostgreSQL environment 5.1. 2.5.1 Terminology Server The PostgreSQL server manages databases and serves requests coming from client applications. The PostgreSQL server has no user interface, you must use a client application to access a database. Client A client is an application th ...
mysql_T1
... databases on the server • The db table scope columns determine which users can access which databases from which hosts. The privilege columns determine which operations are allowed. A privilege granted at the database level applies to the database and to all its tables • The host table is used in co ...
... databases on the server • The db table scope columns determine which users can access which databases from which hosts. The privilege columns determine which operations are allowed. A privilege granted at the database level applies to the database and to all its tables • The host table is used in co ...
presentation source
... Well-defined transaction semantics and support Excellent multi-user performance and robustness Views for data independence, authorization Constraints, triggers, and stored procedures for (shared) ...
... Well-defined transaction semantics and support Excellent multi-user performance and robustness Views for data independence, authorization Constraints, triggers, and stored procedures for (shared) ...
Chapter 1: Introduction - YOU LOOK HAPPY TO MEET ME
... Set of programs to access the data (control programs) To provide an environment that is both convenient and efficient to use in retrieving and storing database information. (Primary Goal) DBMS = database + control programs Database Applications: ...
... Set of programs to access the data (control programs) To provide an environment that is both convenient and efficient to use in retrieving and storing database information. (Primary Goal) DBMS = database + control programs Database Applications: ...
Preventing Transaction Logs From Filling Up
... growing too large. This document will cover the steps necessary to recover in the event that the transaction log has grown too large, manual truncation of the transaction log before it becomes a problem and how to schedule a maintenance plan. The transaction log is responsible for keeping track of a ...
... growing too large. This document will cover the steps necessary to recover in the event that the transaction log has grown too large, manual truncation of the transaction log before it becomes a problem and how to schedule a maintenance plan. The transaction log is responsible for keeping track of a ...
data
... Concurrent access needed for performance Uncontrolled concurrent accesses can lead to inconsistencies – Example: Two people reading a balance (say $100) and updating it by withdrawing money (say $50 each) at the same ...
... Concurrent access needed for performance Uncontrolled concurrent accesses can lead to inconsistencies – Example: Two people reading a balance (say $100) and updating it by withdrawing money (say $50 each) at the same ...
Database applications - The University of Winnipeg
... • query compiler It handles high-level queries that are entered interactively. It parses, analyzes, and compiles or interprets a query by creating database access code, and then generates calls to the rum-time processor for executing the code. ...
... • query compiler It handles high-level queries that are entered interactively. It parses, analyzes, and compiles or interprets a query by creating database access code, and then generates calls to the rum-time processor for executing the code. ...
Indexes (AKA Indices) - Prof. Yitz Rosenthal
... checking and notices that balance in checking account is somehow negative - program will voluntarily stop the transfer since something is fishy - program issues ROLLBACK command (see next few slides) to undo the modifications to DB made so far. – abnormal program termination - caused by programming ...
... checking and notices that balance in checking account is somehow negative - program will voluntarily stop the transfer since something is fishy - program issues ROLLBACK command (see next few slides) to undo the modifications to DB made so far. – abnormal program termination - caused by programming ...
FME Readers and Writers 2013 SP1
... GeoMedia warehouses store both geometry and attributes for features in the form of columns within the tables of a database. Tables can be divided into two groups based on content. The first group contains meta-information about the formatting of the data, including coordinate systems, tables aliases ...
... GeoMedia warehouses store both geometry and attributes for features in the form of columns within the tables of a database. Tables can be divided into two groups based on content. The first group contains meta-information about the formatting of the data, including coordinate systems, tables aliases ...
Flashback Transaction Query
... Provides a way to audit the rows of a table and retrieve information about the transactions that changed the rows. Retrieve all committed versions of the rows that exist or ever existed between the time the query was issued and a point in time in the past Use the transaction ID to perform transactio ...
... Provides a way to audit the rows of a table and retrieve information about the transactions that changed the rows. Retrieve all committed versions of the rows that exist or ever existed between the time the query was issued and a point in time in the past Use the transaction ID to perform transactio ...
Distributed Architecture of Oracle Database In
... associated SCN. Each IMCU has an associated mutable metadata area called the Snapshot Management Unit (SMU) that tracks changes in rows covered by the IMCU made beyond the IMCU SCN. As mentioned in section 3.1, changes due to DMLs first modify the row-major data blocks through the buffer cache. Once ...
... associated SCN. Each IMCU has an associated mutable metadata area called the Snapshot Management Unit (SMU) that tracks changes in rows covered by the IMCU made beyond the IMCU SCN. As mentioned in section 3.1, changes due to DMLs first modify the row-major data blocks through the buffer cache. Once ...
370 - ClassicCMP
... • Every Speedware development toolset offers crossplatform portability as one of its core features. • Most applications built with Speedware technology can be easily ported to any other supported platform without modifying the code at all. • Operating System Switches permit developers to write OS-sp ...
... • Every Speedware development toolset offers crossplatform portability as one of its core features. • Most applications built with Speedware technology can be easily ported to any other supported platform without modifying the code at all. • Operating System Switches permit developers to write OS-sp ...