RDBMS and SQL
... • Can be fired before or after insert, update, delete • Trigger can access values it needs as :OLD. and :NEW. – prefix :OLD refers to values in a tuple deleted or to the values replaced in an update – prefix :NEW refers to the values in a tuple just inserted or to the new values in an update. ...
... • Can be fired before or after insert, update, delete • Trigger can access values it needs as :OLD. and :NEW. – prefix :OLD refers to values in a tuple deleted or to the values replaced in an update – prefix :NEW refers to the values in a tuple just inserted or to the new values in an update. ...
Semantic Data Control
... e.g, deletion of (Smith, ”Analyst”) is ambiguous, i.e., since deletion of “Smith” in EMP and deletion of “Analyst” in ASG are both meaningful, but the system cannot decide. ...
... e.g, deletion of (Smith, ”Analyst”) is ambiguous, i.e., since deletion of “Smith” in EMP and deletion of “Analyst” in ASG are both meaningful, but the system cannot decide. ...
Slide 1
... Lots of improvements – Features solutions Lots of complexity – Architecture and Planning “with great power comes greater responsibility” ...
... Lots of improvements – Features solutions Lots of complexity – Architecture and Planning “with great power comes greater responsibility” ...
Centralize-Your-Automatic-Workload-Repository-Data-for
... – Loads files found place in the Central AWR load file space ...
... – Loads files found place in the Central AWR load file space ...
PDB-DeepDive - DBCloudShifu
... NIST Definition of Cloud Computing • Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management ...
... NIST Definition of Cloud Computing • Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management ...
The Relational Model
... 1. No two distinct tuples can have same values in all key fields, and 2. This is not true for any subset of the key. Part 2 false? A superkey. If there’s >1 key for a relation (these would be called candidate keys), one of the keys is chosen (by DBA) to be the primary key. ...
... 1. No two distinct tuples can have same values in all key fields, and 2. This is not true for any subset of the key. Part 2 false? A superkey. If there’s >1 key for a relation (these would be called candidate keys), one of the keys is chosen (by DBA) to be the primary key. ...
Module 1: Introduction
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
SAS® Data Integration Studio: Tips and Techniques for Implementing ELT
... Several trends are influencing applications of data integration, including increasing data volumes, new database technologies, and innovations in SAS Data Integration Studio and SAS/ACCESS. First, there is an ever increasing demand for more data integration processing inside the database management ...
... Several trends are influencing applications of data integration, including increasing data volumes, new database technologies, and innovations in SAS Data Integration Studio and SAS/ACCESS. First, there is an ever increasing demand for more data integration processing inside the database management ...
PDF
... the Aho-Corasick tree-based matching technique, and various suffix tree-based methods. A good treatment of these two and more is available in [7]. These two, in their general forms, require a memory model with pointers (in order to form a tree structure). Though there exist non-pointer-based variant ...
... the Aho-Corasick tree-based matching technique, and various suffix tree-based methods. A good treatment of these two and more is available in [7]. These two, in their general forms, require a memory model with pointers (in order to form a tree structure). Though there exist non-pointer-based variant ...
file4 - Department of Computer Science
... Two-Pass Algorithms Using Hashing • General idea: – Hash the tuples using an appropriate hash key – For the common operations, there is a way to choose the hash key so that all tuples that need to be considered together has the same hash value – Do the operation working on one bucket at a time ...
... Two-Pass Algorithms Using Hashing • General idea: – Hash the tuples using an appropriate hash key – For the common operations, there is a way to choose the hash key so that all tuples that need to be considered together has the same hash value – Do the operation working on one bucket at a time ...
Collection and Exploration of Large Data - Luca Deri
... functionalities such as nested queries, and neither operators such as UNION, HAVING, or functions like FIRST, LAST, NOW, and FORMAT. nProbe creates FastBit partitions depending on the flow templates being configured (probe mode) or read from incoming flows (collector mode), with columns having the ...
... functionalities such as nested queries, and neither operators such as UNION, HAVING, or functions like FIRST, LAST, NOW, and FORMAT. nProbe creates FastBit partitions depending on the flow templates being configured (probe mode) or read from incoming flows (collector mode), with columns having the ...
BUS 206 Access Assignment
... BUS 2206 Access Assignment Hints on the DB Assignment Case 2 The Rent-A-Dress Database Problem-Solving Cases in Microsoft Access and Excel, 12th Edition, 2015 HF5548.M525 B73 2015 P.57 – P. 62 2015 Term 1 ...
... BUS 2206 Access Assignment Hints on the DB Assignment Case 2 The Rent-A-Dress Database Problem-Solving Cases in Microsoft Access and Excel, 12th Edition, 2015 HF5548.M525 B73 2015 P.57 – P. 62 2015 Term 1 ...
Chapter 10 Review Questions and Answers
... b) When used in a validation rule, the And logical operator requires an entry to match one criteria or another, but not both. False. The And logical operator requires an entry to match both criteria. c) When used in a validation rule, the Or logical operator requires an entry to match one criteria o ...
... b) When used in a validation rule, the And logical operator requires an entry to match one criteria or another, but not both. False. The And logical operator requires an entry to match both criteria. c) When used in a validation rule, the Or logical operator requires an entry to match one criteria o ...
Fundamentals of Database Systems
... Objective: to access a database from an application program (as opposed to interactive interfaces) An interactive interface is convenient but not sufficient; a majority of database operations are made thru application programs (nowadays thru web applications) ...
... Objective: to access a database from an application program (as opposed to interactive interfaces) An interactive interface is convenient but not sufficient; a majority of database operations are made thru application programs (nowadays thru web applications) ...
ch08 - kuroski.net
... DML Action Auditing with Oracle (continued) • Steps: – Use any user other than SYSTEM or SYS; with privileges to create tables, sequences, and triggers – Create the auditing table – Create a sequence object – Create the trigger that will record DML operations – Test your implementation Database Sec ...
... DML Action Auditing with Oracle (continued) • Steps: – Use any user other than SYSTEM or SYS; with privileges to create tables, sequences, and triggers – Create the auditing table – Create a sequence object – Create the trigger that will record DML operations – Test your implementation Database Sec ...
The Hobgoblin of Little Minds
... “Although Oracle serializable mode […] offers many benefits compared with read locking implementations, it does not provide semantics identical to such systems. Application designers must take into account the fact that reads in Oracle do not block writes as they do in other systems. Transactions th ...
... “Although Oracle serializable mode […] offers many benefits compared with read locking implementations, it does not provide semantics identical to such systems. Application designers must take into account the fact that reads in Oracle do not block writes as they do in other systems. Transactions th ...
PowerPoint
... • Techniques applicable in implementing DBMS-like systems • Understanding of DBMS internals necessary for database administrators • NB: This course is not about designing DBbased applications or about using some specific database systems DBMS 2001 ...
... • Techniques applicable in implementing DBMS-like systems • Understanding of DBMS internals necessary for database administrators • NB: This course is not about designing DBbased applications or about using some specific database systems DBMS 2001 ...
Chapter 5
... Q1: What is the purpose of a database? Q2: What is a database? Q3: What is a database management system (DBMS)? Q4: How do database applications make databases more useful? Q5: How are data models used for database development? Q6: How is a data model transformed into a database design? Q7: How can ...
... Q1: What is the purpose of a database? Q2: What is a database? Q3: What is a database management system (DBMS)? Q4: How do database applications make databases more useful? Q5: How are data models used for database development? Q6: How is a data model transformed into a database design? Q7: How can ...
Alarm Server
... the components listed above is a Client, which uses one or more Server components to provide them with the data that they request. This data is then displayed by the Client to the user. In turn, the Server component requests the data from what is usually a remote OpenEnterprise data source (Database ...
... the components listed above is a Client, which uses one or more Server components to provide them with the data that they request. This data is then displayed by the Client to the user. In turn, the Server component requests the data from what is usually a remote OpenEnterprise data source (Database ...
CS 380S - Great Papers in Computer Security
... tax prep, customer relationship management, etc. • Cloud computing ...
... tax prep, customer relationship management, etc. • Cloud computing ...
2 Architecture of ODRA - Description of SBA and SBQL
... moving some sub-tree to another part of the tree, removing some sub-trees, etc.). Each node of the tree contains a free space for writing various query optimization information. ...
... moving some sub-tree to another part of the tree, removing some sub-trees, etc.). Each node of the tree contains a free space for writing various query optimization information. ...
Service Catalogs: Defining Standardized Database Services
... deprovisioned frequently. Database services for test and development are a common example. More complex configurations, such as those with unique compliance or performance requirements, are not usually offered in a self-service catalog. The self-service catalog will be an interactive portal through ...
... deprovisioned frequently. Database services for test and development are a common example. More complex configurations, such as those with unique compliance or performance requirements, are not usually offered in a self-service catalog. The self-service catalog will be an interactive portal through ...
1(leave this here) - Boston College Computer Science Department
... server; this can be seen as computing a materialized view (subject to delays in propagating source updates). Web-oriented distributed systems often have tiers of objects derived from each other. Because the data in the tiers of a multi-tier database are related, it is important that the tiers mainta ...
... server; this can be seen as computing a materialized view (subject to delays in propagating source updates). Web-oriented distributed systems often have tiers of objects derived from each other. Because the data in the tiers of a multi-tier database are related, it is important that the tiers mainta ...
Notes 5. Working with Multiple Tables
... application to automatically update qtyLabel. We do this so the user knows the maximum number of the product he can order. Now that we’ve already created the getInventory() method, updating the qtyLabel is easy. First we want to get the inventory level for the product selected in the productDropDown ...
... application to automatically update qtyLabel. We do this so the user knows the maximum number of the product he can order. Now that we’ve already created the getInventory() method, updating the qtyLabel is easy. First we want to get the inventory level for the product selected in the productDropDown ...