A Methodology of A Database Schema Design Using
... the real system constraints and business rules, in the different subschemas. If the collisions between the different subschemas exist, then some of the subschemas are not consistent with the potential database schema in a formal sense. Consequently, the programs made over the inconsistent subschemas ...
... the real system constraints and business rules, in the different subschemas. If the collisions between the different subschemas exist, then some of the subschemas are not consistent with the potential database schema in a formal sense. Consequently, the programs made over the inconsistent subschemas ...
Migrating to Azure SQL Database Tips, Tricks and Lessons Learned
... permissions are not available though some are replaced by database-level permissions. Some server-level DMV's are not available though some are replaced by database-level DMVs. ...
... permissions are not available though some are replaced by database-level permissions. Some server-level DMV's are not available though some are replaced by database-level DMVs. ...
Presented by Kaberi Nayak Senior Oracle Apps DBA
... Upgrading an Oracle E-Business Suite Release 11i database server and instance from Oracle9i Release 2 (9.2.0), Oracle 10g Release 1 (10.1.0), Oracle 10g Release 2 (10.2.0), or Oracle Database 11g Release 1 (11.1.0) to Oracle Database 11g Release 2 (11.2.0) Applying the latest certified Oracle Databa ...
... Upgrading an Oracle E-Business Suite Release 11i database server and instance from Oracle9i Release 2 (9.2.0), Oracle 10g Release 1 (10.1.0), Oracle 10g Release 2 (10.2.0), or Oracle Database 11g Release 1 (11.1.0) to Oracle Database 11g Release 2 (11.2.0) Applying the latest certified Oracle Databa ...
Theme: Production Management - Overview
... Mayang, one of the RCIP staffs, is given the responsibility to keep and maintain the said list. This also means that she would be the point person whenever related information is needed. At about the same time, Mayang just finished the training on Microsoft Word and was impressed with the software s ...
... Mayang, one of the RCIP staffs, is given the responsibility to keep and maintain the said list. This also means that she would be the point person whenever related information is needed. At about the same time, Mayang just finished the training on Microsoft Word and was impressed with the software s ...
Middleware-based Database Replication: The Gaps
... master without consulting the slave) with an upper-bound time window (e.g., at most all transactions committed in the past 5 minutes have been lost). These guarantees are usually considered weak, but good enough for maintaining uptime in the face of single faults. 2-safe database replication forces ...
... master without consulting the slave) with an upper-bound time window (e.g., at most all transactions committed in the past 5 minutes have been lost). These guarantees are usually considered weak, but good enough for maintaining uptime in the face of single faults. 2-safe database replication forces ...
Chapter 19: Distributed Databases
... more subsystems that lack any connection between them – Note: a subsystem may consist of a single node ...
... more subsystems that lack any connection between them – Note: a subsystem may consist of a single node ...
X-FTL: Transactional FTL for SQLite Databases
... txFlash to support atomic writes for file system journaling [20]. In addition to supporting atomicity of mult-page writes, TxFlash provides isolation among multiple atomic write calls by ensuring that no conflicting writes are issued. It relies on a new commit protocol called Simple Cyclic Commit (S ...
... txFlash to support atomic writes for file system journaling [20]. In addition to supporting atomicity of mult-page writes, TxFlash provides isolation among multiple atomic write calls by ensuring that no conflicting writes are issued. It relies on a new commit protocol called Simple Cyclic Commit (S ...
Assess Oracle`s Role in the Enterprise Database Strategy
... Determine Oracle’s fit with your organization’s size & complexity Large organizations, or those with complex database requirements, will benefit most from Oracle over other database options. • An Info-Tech survey found that large organizations are more satisfied with Oracle (performance, availabili ...
... Determine Oracle’s fit with your organization’s size & complexity Large organizations, or those with complex database requirements, will benefit most from Oracle over other database options. • An Info-Tech survey found that large organizations are more satisfied with Oracle (performance, availabili ...
The Experimental Study of CODASYL Database Administration at
... 39 and the experimental study of its performance presented in Refs 17 and 18. In this research, the performance of CODASYL database is studied by considering storage record placement strategies, the cost of query and update transactions, usage pattern, storage space and statistical variation in data ...
... 39 and the experimental study of its performance presented in Refs 17 and 18. In this research, the performance of CODASYL database is studied by considering storage record placement strategies, the cost of query and update transactions, usage pattern, storage space and statistical variation in data ...
Proceedings
... The goal of this workshop was to bring software engineers and database experts together to discuss about technologies for developing tailor-made data management solutions. The workshop was a full day meeting with four paper sessions. It was introduced by a presentation of the FAME-DBMS project that ...
... The goal of this workshop was to bring software engineers and database experts together to discuss about technologies for developing tailor-made data management solutions. The workshop was a full day meeting with four paper sessions. It was introduced by a presentation of the FAME-DBMS project that ...
ADVANCED SQL AND PL/SQL TOPICS
... connections, but allows current users to finish their transactions and log off normally • Transactional - instance does not accept any new connections, and allows users to finish their current transaction • Immediate - instance does not accept any new user connections, and immediately terminates cur ...
... connections, but allows current users to finish their transactions and log off normally • Transactional - instance does not accept any new connections, and allows users to finish their current transaction • Immediate - instance does not accept any new user connections, and immediately terminates cur ...
Unit 3- Database Connectivity A database is an organized collection
... You access the data in a ResultSet object through a cursor. Note that this cursor is not a database cursor. This cursor is a pointer that points to one row of data in the ResultSet. Initially, the cursor is positioned before the first row. The method ResultSet.next moves the cursor to the next row. ...
... You access the data in a ResultSet object through a cursor. Note that this cursor is not a database cursor. This cursor is a pointer that points to one row of data in the ResultSet. Initially, the cursor is positioned before the first row. The method ResultSet.next moves the cursor to the next row. ...
ONLINE-EXTRA CONTENT Optimizing Disaster Recovery Using
... On the standby database, this query shows the maximum sequence number recovered for each thread. This should match the output from the previous query. For further details, refer to “Monitoring Log Apply Services for Physical Standby Databases” in the Oracle9i Data Guard Concepts and Administration m ...
... On the standby database, this query shows the maximum sequence number recovered for each thread. This should match the output from the previous query. For further details, refer to “Monitoring Log Apply Services for Physical Standby Databases” in the Oracle9i Data Guard Concepts and Administration m ...
Replica Refresh Strategies in a Database Cluster
... for an incoming query, it first sends refresh transactions to that node before sending the query. Such routing-dependent refresh strategy is locally optimal since the freshness level of some nodes may get lower and lower, thus increasing the cost of refreshment. For instance, when all nodes are busy ...
... for an incoming query, it first sends refresh transactions to that node before sending the query. Such routing-dependent refresh strategy is locally optimal since the freshness level of some nodes may get lower and lower, thus increasing the cost of refreshment. For instance, when all nodes are busy ...
relational database
... In our relational database, we broke our list into several tables. Somehow the tables must be joined back together. In a relational database, tables are joined together using the value of the data. If a PROJECT has a CUSTOMER, the Customer_ID is stored as a column in the PROJECT table. The value sto ...
... In our relational database, we broke our list into several tables. Somehow the tables must be joined back together. In a relational database, tables are joined together using the value of the data. If a PROJECT has a CUSTOMER, the Customer_ID is stored as a column in the PROJECT table. The value sto ...
Database Mirroring
... Witness Only required for automatic failover; Just another instance of SQL Server 2005 Can serve multiple sessions ...
... Witness Only required for automatic failover; Just another instance of SQL Server 2005 Can serve multiple sessions ...
Chapter 19: Distributed Databases
... replica of r. Disadvantages of Replication Increased cost of updates: each replica of relation r must be updated. Increased complexity of concurrency control: concurrent updates to distinct replicas may lead to inconsistent data unless special concurrency control mechanisms are implemented. ...
... replica of r. Disadvantages of Replication Increased cost of updates: each replica of relation r must be updated. Increased complexity of concurrency control: concurrent updates to distinct replicas may lead to inconsistent data unless special concurrency control mechanisms are implemented. ...
Continuous integration for databases using Redgate tools
... deployment therefore rely on creating upgrade scripts specifically for that purpose. The lack of database source code makes it more complicated to maintain a current stable version in source control. Creation and migration scripts can be checked into the source control repository, but despite its im ...
... deployment therefore rely on creating upgrade scripts specifically for that purpose. The lack of database source code makes it more complicated to maintain a current stable version in source control. Creation and migration scripts can be checked into the source control repository, but despite its im ...
adbms tutorial 2 lahore leads university
... and use AUTO_INCREMENT for the rest of records by inserting a NULL, or with a missing column value. Take note that strings must be enclosed with a pair of single quotes (or double quotes). -- Insert a row with all the column values mysql> INSERT INTO products VALUES (1001, 'PEN', 'Pen Red', 5000, 1. ...
... and use AUTO_INCREMENT for the rest of records by inserting a NULL, or with a missing column value. Take note that strings must be enclosed with a pair of single quotes (or double quotes). -- Insert a row with all the column values mysql> INSERT INTO products VALUES (1001, 'PEN', 'Pen Red', 5000, 1. ...
MDBS Schema Integration: The Relational Integration Model
... multidatabase system (MDBS) - a collection of autonomous, local databases participating in a global database system to share data ...
... multidatabase system (MDBS) - a collection of autonomous, local databases participating in a global database system to share data ...
Transactional Consistency and Automatic Management
... Unlike a simple hash table, our cache is versioned. In addition to its key, each entry in the cache is tagged with its validity interval, as shown in Figure 3. This interval is the range of time at which the cached value was current. Its lower bound is the commit time of the transaction that caused ...
... Unlike a simple hash table, our cache is versioned. In addition to its key, each entry in the cache is tagged with its validity interval, as shown in Figure 3. This interval is the range of time at which the cached value was current. Its lower bound is the commit time of the transaction that caused ...
Oracle 10g Database Administrator: Implementation and
... partial access allowed to data by other sessions • An exclusive lock completely prohibits changes to data, but still allows read access • Locking of transactions and tables (using transactional control commands or LOCK TABLE) create locking situations manually • In this chapter you examine how locks ...
... partial access allowed to data by other sessions • An exclusive lock completely prohibits changes to data, but still allows read access • Locking of transactions and tables (using transactional control commands or LOCK TABLE) create locking situations manually • In this chapter you examine how locks ...
Super database computers : hardware and software
... the notion and characteristics of very large databases for online storage and processing are motivated. The database computer requirements The limitations and bottlenecks of the for very large databases are given. conventional database computer (i.e., the database management system, DBMS, utilizing ...
... the notion and characteristics of very large databases for online storage and processing are motivated. The database computer requirements The limitations and bottlenecks of the for very large databases are given. conventional database computer (i.e., the database management system, DBMS, utilizing ...