OnBase Database Health Check
... The deliverables at the end of the engagement will be: • A detailed report defining the current system, an assessment of the performance of this system and any action items recommended to improve and ...
... The deliverables at the end of the engagement will be: • A detailed report defining the current system, an assessment of the performance of this system and any action items recommended to improve and ...
Chapter 19
... flushed to the database disk under WAL before it commits. For this reason the recovery manager undoes all transactions during recovery. No transaction is redone. It is possible that a transaction might have completed execution and ready to commit but this transaction is also undone. Copyright © 2007 ...
... flushed to the database disk under WAL before it commits. For this reason the recovery manager undoes all transactions during recovery. No transaction is redone. It is possible that a transaction might have completed execution and ready to commit but this transaction is also undone. Copyright © 2007 ...
DBMS - University of Virginia
... Idea: If an action of Ti (say, writing X) affects Tj (which perhaps reads X), one of them, say Ti, will obtain the lock on X first and Tj is forced to wait until Ti completes; this effectively orders the transactions. What if Tj already has a lock on Y and Ti later requests a lock on Y? What is it c ...
... Idea: If an action of Ti (say, writing X) affects Tj (which perhaps reads X), one of them, say Ti, will obtain the lock on X first and Tj is forced to wait until Ti completes; this effectively orders the transactions. What if Tj already has a lock on Y and Ti later requests a lock on Y? What is it c ...
Document
... • ODBC performs better when number of records transferred increases due to it’s good at prefetching. ...
... • ODBC performs better when number of records transferred increases due to it’s good at prefetching. ...
Document
... – The type of lock held must be known before a lock can be granted – Three lock operations exist: READ_LOCK, WRITE_LOCK, and UNLOCK – The schema has been enhanced to allow a lock upgrade or a lock downgrade ...
... – The type of lock held must be known before a lock can be granted – Three lock operations exist: READ_LOCK, WRITE_LOCK, and UNLOCK – The schema has been enhanced to allow a lock upgrade or a lock downgrade ...
- TehraTechnologies
... Distributed Database Querying System ABSTRACT Aim: The project aims to develop an application which could query multiple heterogeneous Databases in a distributed fashion. The project would provide me familiarity with the RMI mechanism as implemented in Java. It will also give me an insight into some ...
... Distributed Database Querying System ABSTRACT Aim: The project aims to develop an application which could query multiple heterogeneous Databases in a distributed fashion. The project would provide me familiarity with the RMI mechanism as implemented in Java. It will also give me an insight into some ...
Why A Distributed Database?
... and their database is more manageable. Failure of an independent system has no effect on other nodes. Recovery from isolated failures also has no effect on other nodes. Each local database has its own data ...
... and their database is more manageable. Failure of an independent system has no effect on other nodes. Recovery from isolated failures also has no effect on other nodes. Each local database has its own data ...
Database Persistence, Without The Performance Penalty
... applications require a higher level of data durability and recoverability. As a solution, IMDS vendors offer transaction logging, which keeps a record of changes to the database. But this logging requires writing to persistent storage. Will re-introducing these “database writes” eliminate IMDSs’ per ...
... applications require a higher level of data durability and recoverability. As a solution, IMDS vendors offer transaction logging, which keeps a record of changes to the database. But this logging requires writing to persistent storage. Will re-introducing these “database writes” eliminate IMDSs’ per ...
Cross-platform Database Management
... Verax Systems currently works on a tool integrating multiple database systems. Our aim is to create an application that provides full functionality to monitor and perform operations on many types of databases simultaneously. The solution is designed to help companies wishing to integrate their datab ...
... Verax Systems currently works on a tool integrating multiple database systems. Our aim is to create an application that provides full functionality to monitor and perform operations on many types of databases simultaneously. The solution is designed to help companies wishing to integrate their datab ...
Incrementally Mining Frequent Itemsets in Update Distorted Databases
... model, which improves the efficiency of itemsets’ support computation. In the following statement, for transaction database D, let U denote a set of objects (universe), as unique identifiers for the transactions. For simplicity, we refer U as the transactions without differences. For an itemset A ⊆ ...
... model, which improves the efficiency of itemsets’ support computation. In the following statement, for transaction database D, let U denote a set of objects (universe), as unique identifiers for the transactions. For simplicity, we refer U as the transactions without differences. For an itemset A ⊆ ...
Performance Extracts from Books Online
... Optimum hardware configuration to handle the large numbers of concurrent users and quick response times required by an OLTP system. ...
... Optimum hardware configuration to handle the large numbers of concurrent users and quick response times required by an OLTP system. ...
iOS/SQLite (Powerpoint)
... • Flying Meat Database (FMDB) – FMDB is a set of Objective C wrappers for SQLite – let you program using embedded SQL – modeled after Java JDBC ...
... • Flying Meat Database (FMDB) – FMDB is a set of Objective C wrappers for SQLite – let you program using embedded SQL – modeled after Java JDBC ...
Chapter 1 of Database Design, Application Development and
... Software maintenance is a large part (50%) of information system budgets Reduce impact of changes by separating database description from applications Change database definition with minimal effect on applications that use the database ...
... Software maintenance is a large part (50%) of information system budgets Reduce impact of changes by separating database description from applications Change database definition with minimal effect on applications that use the database ...
Introduction to Database Systems
... • Enroll “Mary Johnson” in “CSE444”: BEGIN TRANSACTION; INSERT INTO Takes SELECT Students.SSN, Courses.CID FROM Students, Courses WHERE Students.name = ‘Mary Johnson’ and Courses.name = ‘CSE444’ -- More updates here.... IF everything-went-OK THEN COMMIT; ELSE ROLLBACK ...
... • Enroll “Mary Johnson” in “CSE444”: BEGIN TRANSACTION; INSERT INTO Takes SELECT Students.SSN, Courses.CID FROM Students, Courses WHERE Students.name = ‘Mary Johnson’ and Courses.name = ‘CSE444’ -- More updates here.... IF everything-went-OK THEN COMMIT; ELSE ROLLBACK ...
Mid term
... 12. Discuss the different types of user-friendly interfaces and the types of users who typically use each. 13. Consider Figure 2.1. In addition to constraints relating the values of columns in one table to columns in another table, there are also constraints that impose restrictions on values in a c ...
... 12. Discuss the different types of user-friendly interfaces and the types of users who typically use each. 13. Consider Figure 2.1. In addition to constraints relating the values of columns in one table to columns in another table, there are also constraints that impose restrictions on values in a c ...
chapter01_rev
... File structures and proprietary program interfaces Networks and hierarchies of related records, standard program interfaces Non-procedural languages, optimization, transaction processing Multi-media, active, distributed processing, XML enabled ...
... File structures and proprietary program interfaces Networks and hierarchies of related records, standard program interfaces Non-procedural languages, optimization, transaction processing Multi-media, active, distributed processing, XML enabled ...
G08 - Spatial Database Group
... which hosts multiple logical databases. – Relational Cloud periodically determines which databases should be placed on which machines using a novel non-linear optimization formulation. – a cost model that estimates the combined resource utilization of multiple databases running on a machine. ...
... which hosts multiple logical databases. – Relational Cloud periodically determines which databases should be placed on which machines using a novel non-linear optimization formulation. – a cost model that estimates the combined resource utilization of multiple databases running on a machine. ...
Using SQL Queries to Insert, Update, Delete and View Data
... Purpose of transaction processing – Enable users to see consistent view of database – Preventing users from viewing or updating data that are part of a pending (uncommitted) transaction ...
... Purpose of transaction processing – Enable users to see consistent view of database – Preventing users from viewing or updating data that are part of a pending (uncommitted) transaction ...
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Introduction to PL/SQL Lecture 1 [Part 1]
... How many times should the trigger body execute when the triggering event takes place? Per statement: the trigger body executes once for the triggering event. This is the default. For each row: the trigger body executes once for each row affected by the triggering event. When the trigger can be f ...
... How many times should the trigger body execute when the triggering event takes place? Per statement: the trigger body executes once for the triggering event. This is the default. For each row: the trigger body executes once for each row affected by the triggering event. When the trigger can be f ...
Systems Development Life Cycle
... Specifications for how data from a logical schema are stored in a computer’s secondary memory by a database management system. ...
... Specifications for how data from a logical schema are stored in a computer’s secondary memory by a database management system. ...
Lboss-LPOS Full - Restaurant Pos System
... • Transaction data stored on each lane and on server. • Automatic data backup daily • Transaction data is available to rebuild report history in event of material failure • Each front end accesses its own database. • Microsoft structured query language (MSSQL) database engine. ...
... • Transaction data stored on each lane and on server. • Automatic data backup daily • Transaction data is available to rebuild report history in event of material failure • Each front end accesses its own database. • Microsoft structured query language (MSSQL) database engine. ...