DBmotion Datasheet.indd
... business applications for over 15 years and enjoys a 100% project success rate. The company specializes in developing end-to-end modernization solutions that allow industry and government leaders to increase their business agility and reduce their operational costs. Speedware has been a leading prov ...
... business applications for over 15 years and enjoys a 100% project success rate. The company specializes in developing end-to-end modernization solutions that allow industry and government leaders to increase their business agility and reduce their operational costs. Speedware has been a leading prov ...
Components of the DBMS Environment
... Data storage, retrieval, and update A DBMS must provide users with the ability to store, retrieve, and update data in the database. It should hide the internal physical implementation details from users ...
... Data storage, retrieval, and update A DBMS must provide users with the ability to store, retrieve, and update data in the database. It should hide the internal physical implementation details from users ...
Course Prescription Programme and Course
... business problem; and to consolidate and extend information modelling skills. Implementation & Performance Tuning Issues & Strategies To explore advanced database management concepts such as database security, transaction management, concurrency control, ); query processing query optimisation, perfo ...
... business problem; and to consolidate and extend information modelling skills. Implementation & Performance Tuning Issues & Strategies To explore advanced database management concepts such as database security, transaction management, concurrency control, ); query processing query optimisation, perfo ...
Creating the Data Layer
... Creating the Data Layer When interacting with any system it is always useful if it remembers all of the settings and changes between visits. For example FaceBook has the details of your login and any conversations with friends. If we use the system and then log off and return to it the next day it r ...
... Creating the Data Layer When interacting with any system it is always useful if it remembers all of the settings and changes between visits. For example FaceBook has the details of your login and any conversations with friends. If we use the system and then log off and return to it the next day it r ...
Materialy/32/Lectures Oracle
... transaction T1 has stored the changes, the result of T1 is lost. temporary update problem (temporary changes): If a transaction fails during the processing and the changes in the database are already stored, another transaction can read the changed date before the the old state was re-stored. inco ...
... transaction T1 has stored the changes, the result of T1 is lost. temporary update problem (temporary changes): If a transaction fails during the processing and the changes in the database are already stored, another transaction can read the changed date before the the old state was re-stored. inco ...
CUSTOMER_CODE SMUDE DIVISION_CODE SMUDE
... expression (tree) which is made more efficient for execution. This rule works well in most cases but not always guaranteed. An execution of the query tree consists of executing an internal node operation whenever its operands are available and then replacing that internal node by the relation that r ...
... expression (tree) which is made more efficient for execution. This rule works well in most cases but not always guaranteed. An execution of the query tree consists of executing an internal node operation whenever its operands are available and then replacing that internal node by the relation that r ...
l1-introduction
... system for creating, maintaining, updating, and querying the database – General purpose—not for any specific application – Interacts with a user (e.g., DBA) or an application • Challenges: – Modeling (data, languages, consistency, security) – Engineering – Efficiency & scalability ...
... system for creating, maintaining, updating, and querying the database – General purpose—not for any specific application – Interacts with a user (e.g., DBA) or an application • Challenges: – Modeling (data, languages, consistency, security) – Engineering – Efficiency & scalability ...
Advanced Database Systems
... Cascaded rollback - when transaction T1 fails and induces a rollback which in turn causes other transactions - which were dependent on the success of T1 – to likewise fail and be rolled back. Optimistic locking – based on the assumption that inter-transaction conflict is rare so individual transacti ...
... Cascaded rollback - when transaction T1 fails and induces a rollback which in turn causes other transactions - which were dependent on the success of T1 – to likewise fail and be rolled back. Optimistic locking – based on the assumption that inter-transaction conflict is rare so individual transacti ...
Data Warehouses for Decision Support
... • Limited applicability for PBS? – Finds the near optimal solution only for SR-Hypercube lattices A lattice forms an SR-Hypercube when for each v in the lattice, except v = DBT |v| ≥ ((# of direct children of v) * (# of records in the child of v)) ...
... • Limited applicability for PBS? – Finds the near optimal solution only for SR-Hypercube lattices A lattice forms an SR-Hypercube when for each v in the lattice, except v = DBT |v| ≥ ((# of direct children of v) * (# of records in the child of v)) ...
How to create a SQL view and set up a browser based on it SQL
... The best way to create views is to create them directly on the database in my opinion, if you have access to SQL server management studio (SSMS) If you are creating stand alone reports then you will not have any problem at all. The issue comes when you want to create a browser on which you can expa ...
... The best way to create views is to create them directly on the database in my opinion, if you have access to SQL server management studio (SSMS) If you are creating stand alone reports then you will not have any problem at all. The issue comes when you want to create a browser on which you can expa ...
Document
... – SQLQueryExpression – a selection filter for the data – GroupBy, OrderBy – data ordering and grouping ...
... – SQLQueryExpression – a selection filter for the data – GroupBy, OrderBy – data ordering and grouping ...
Creating Tables
... • To ensure a field cannot contain a NULL value you need to define it as NOT NULL when you create the table • NULL values are appropriate when a field may not contain data for some records – for example, in the Customer table there are two fields for the address but some customers only have one addr ...
... • To ensure a field cannot contain a NULL value you need to define it as NOT NULL when you create the table • NULL values are appropriate when a field may not contain data for some records – for example, in the Customer table there are two fields for the address but some customers only have one addr ...
September 2014 report
... shipping companies that own a number of ships that travel from one port to another. A ship follows a prescribed route consisting of stages which consists of a number of ports that are visited on the route starting from and finishing at a ships home port. A ship journeys over one route but a route ma ...
... shipping companies that own a number of ships that travel from one port to another. A ship follows a prescribed route consisting of stages which consists of a number of ports that are visited on the route starting from and finishing at a ships home port. A ship journeys over one route but a route ma ...
Web-Based Assesment System - LeMoyne
... Ability to track all logins Ability to track every insert, update and delete Can track the exact second the change occurred This gives you ability to monitor which faculty are keeping their vita up-to-date and who is not ...
... Ability to track all logins Ability to track every insert, update and delete Can track the exact second the change occurred This gives you ability to monitor which faculty are keeping their vita up-to-date and who is not ...
PostgreSQL * Ch 6 - 10 - Rose
... • “PostgreSQL out-performs MongoDB, at http://www.enterprisedb.com/postgres-plus-edbblog/marc-linster/postgres-outperforms-mongodb-and-ushers-new-developer-reality • Ideas for how to run a benchmark, at http://edoceo.com/howto/postgresql-benchmark • Not to be missed – Benchmarking PostgreSQL on Rasp ...
... • “PostgreSQL out-performs MongoDB, at http://www.enterprisedb.com/postgres-plus-edbblog/marc-linster/postgres-outperforms-mongodb-and-ushers-new-developer-reality • Ideas for how to run a benchmark, at http://edoceo.com/howto/postgresql-benchmark • Not to be missed – Benchmarking PostgreSQL on Rasp ...
Review Question Solutions
... column to select a single package. 12. If there are values referenced continually in the application, storing them in packaged variables will allow the values to only be retrieved once thus saving data retrieval processing. The values in global constructs are persistent for the entire user session. ...
... column to select a single package. 12. If there are values referenced continually in the application, storing them in packaged variables will allow the values to only be retrieved once thus saving data retrieval processing. The values in global constructs are persistent for the entire user session. ...
Database Confidentiality
... ◦ Data Security Expert provides file-level encryption because the underlying files in which data is stored is the primary point of attack. ◦ Data Security Expert’s “separation of duties” feature further restricts access to data by allowing system administrators and root users to maintain the system ...
... ◦ Data Security Expert provides file-level encryption because the underlying files in which data is stored is the primary point of attack. ◦ Data Security Expert’s “separation of duties” feature further restricts access to data by allowing system administrators and root users to maintain the system ...
Increasing Database Performance using Indexes
... Nonclustered indexes, also called “indexes” are the normal indexes that are created on your tables. SQL Server supports 999 nonclustered indexes per table. Each nonclustered index can contain upto 1023 included columns. Columns of the TEXT, NTEXT and IMAGE data types cannot be included either. Noncl ...
... Nonclustered indexes, also called “indexes” are the normal indexes that are created on your tables. SQL Server supports 999 nonclustered indexes per table. Each nonclustered index can contain upto 1023 included columns. Columns of the TEXT, NTEXT and IMAGE data types cannot be included either. Noncl ...
Agenda
... The Data Guard broker logically groups these primary and standby databases into a broker configuration so as to manage and monitor them together as an integrated unit. ...
... The Data Guard broker logically groups these primary and standby databases into a broker configuration so as to manage and monitor them together as an integrated unit. ...