Sample Profile Providers
... stored in a Profile object. However the cost of this flexibility is that Profile data is stored in either an opaque text blob or an opaque binary blob. As a result there is no direct way to query Profile data from inside of the database. The accompanying zip file contains a project with two sample P ...
... stored in a Profile object. However the cost of this flexibility is that Profile data is stored in either an opaque text blob or an opaque binary blob. As a result there is no direct way to query Profile data from inside of the database. The accompanying zip file contains a project with two sample P ...
viva voce questions
... 1. It doesn’t allow NULL and DUPLICATE value 2. Table can have only one primary key Unique Key. 1.It doesn’t allow DUPLICATE value but you can insert any no. of NULL values 2. Table can have more than one Unique keys. 4. What are responsibilities of a DBA? Ans.1. Installing and upgrading the Oracle ...
... 1. It doesn’t allow NULL and DUPLICATE value 2. Table can have only one primary key Unique Key. 1.It doesn’t allow DUPLICATE value but you can insert any no. of NULL values 2. Table can have more than one Unique keys. 4. What are responsibilities of a DBA? Ans.1. Installing and upgrading the Oracle ...
5. Integrity Constraints - UC Davis Computer Science
... • An assertion is a predicate expressing a condition that we want the database always to satisfy. • Assertions are included in the SQL standard. Syntax: create assertion check ()
• When an assertion is specified, the DBMS tests for its validity.
This testing may introduce a signifi ...
... • An assertion is a predicate expressing a condition that we want the database always to satisfy. • Assertions are included in the SQL standard. Syntax: create assertion
Log Reader Agent Algorithm
... MaxCmdsInTran – max number of commands written to distributor as a transaction ...
... MaxCmdsInTran – max number of commands written to distributor as a transaction ...
dmsunit5ppt - SNGCE DIGITAL LIBRARY
... • When a lock on an object is released, the lock manager updates the lock table entry for the object and examines the lock request at the head of the queue for this object. If this request can now be granted, the transaction that made the request is woken up and given the lock. Indeed, if there are ...
... • When a lock on an object is released, the lock manager updates the lock table entry for the object and examines the lock request at the head of the queue for this object. If this request can now be granted, the transaction that made the request is woken up and given the lock. Indeed, if there are ...
Database Engine Tuning Advisor (DTA) in SQL Server 2005
... stored as a named session. The input/output of each DTA invocation, including reports and the tuning log, is persisted in the MSDB database. This allows the tuning history to be maintained easily. Users can use this information to compare different tuning results over time. Enterprise-ready performa ...
... stored as a named session. The input/output of each DTA invocation, including reports and the tuning log, is persisted in the MSDB database. This allows the tuning history to be maintained easily. Users can use this information to compare different tuning results over time. Enterprise-ready performa ...
OLAP Query Evaluation in a Database Cluster: a Performance Study
... transactional correctness. The router comes into play when there is a choice of nodes where a request may execute without violating correctness. To carry out its tasks, the coordinator must gather and maintain certain statistics. The data dictionary component contains such information. A given query ...
... transactional correctness. The router comes into play when there is a choice of nodes where a request may execute without violating correctness. To carry out its tasks, the coordinator must gather and maintain certain statistics. The data dictionary component contains such information. A given query ...
Vblock Specialized Systems For High Performance Databases
... can be configured with a right-sized mix of servers, networking, and VNX storage processor nodes to match the needs of nearly any database application. The VSS HPDB tested by ESG was configured with eight Cisco UCS server nodes and an EMC VNX8000 storage array. Each of the Cisco UCS servers was equi ...
... can be configured with a right-sized mix of servers, networking, and VNX storage processor nodes to match the needs of nearly any database application. The VSS HPDB tested by ESG was configured with eight Cisco UCS server nodes and an EMC VNX8000 storage array. Each of the Cisco UCS servers was equi ...
ppt
... Index - allows creation and deletion of indices. Resources - allows creation of new relations. Alteration - allows addition or deletion of attributes in a relation. Drop - allows deletion of relations. ...
... Index - allows creation and deletion of indices. Resources - allows creation of new relations. Alteration - allows addition or deletion of attributes in a relation. Drop - allows deletion of relations. ...
Thesis Template - People - Kansas State University
... 3.3.2 Identifying High Level Information Analysis Needs.................................... 20 3.3.3 Identifying Roles and Processes ................................................................... 20 ...
... 3.3.2 Identifying High Level Information Analysis Needs.................................... 20 3.3.3 Identifying Roles and Processes ................................................................... 20 ...
Distributed Transactions
... Ensuring correct results even when there are many transactions being executed concurrently on the same data Execution of concurrent transactions controlled such that result the same as if executed serially Enforced by a concurrency control protocol Why is concurrent execution useful? ...
... Ensuring correct results even when there are many transactions being executed concurrently on the same data Execution of concurrent transactions controlled such that result the same as if executed serially Enforced by a concurrency control protocol Why is concurrent execution useful? ...
HP ALM Database Best Practices Guide - ALM Help Center
... database. A database is just another name for a data management application. In this application, the logic component that holds the data is a table. ALM includes a set of tables with a common purpose. In Microsoft SQL Server, project data is known as a database. In Oracle Database Server, it is kno ...
... database. A database is just another name for a data management application. In this application, the logic component that holds the data is a table. ALM includes a set of tables with a common purpose. In Microsoft SQL Server, project data is known as a database. In Oracle Database Server, it is kno ...
Fundamental of Database Systems 1401312-3
... instances of relations as input and produces instances of relations as output. It uses operators to perform queries. An operator can be either unary or binary. The relational algebra is often considered to be an primary part of the relational data model It provides a set of operations that allow cre ...
... instances of relations as input and produces instances of relations as output. It uses operators to perform queries. An operator can be either unary or binary. The relational algebra is often considered to be an primary part of the relational data model It provides a set of operations that allow cre ...
Week 6
... Relationships: Relationships at the supertype level transform as usual. Relationships at subtype level are implemented as optional foreign-key columns. Integrity constraints: A check constraint is needed to ensure that for each particular subtype, all columns that come from mandatory attributes ...
... Relationships: Relationships at the supertype level transform as usual. Relationships at subtype level are implemented as optional foreign-key columns. Integrity constraints: A check constraint is needed to ensure that for each particular subtype, all columns that come from mandatory attributes ...
Technical Overview of DPM 2007
... • Integrated continuous data protection to disk and tape backup in a single platform • An integral part of Microsoft System Center™ ...
... • Integrated continuous data protection to disk and tape backup in a single platform • An integral part of Microsoft System Center™ ...
Oracle Migration Workbench Reference Guide for MySQL 3.22, 3.23
... Other Oracle Features .................................................................................................................. Preparing for Migration..................................................................................................................... Extending the Applicat ...
... Other Oracle Features .................................................................................................................. Preparing for Migration..................................................................................................................... Extending the Applicat ...
WHY EMC FOR ORACLE LIFECYCLE MANAGEMENT ORACLE LIFECYCLE MANAGEMENT Agility
... AppSync enables DBAs or Applications owners to easily manage and control local or remote replication strategies in their data centers as well as monitor SLAs through a unified AppSync console. ...
... AppSync enables DBAs or Applications owners to easily manage and control local or remote replication strategies in their data centers as well as monitor SLAs through a unified AppSync console. ...
Data Modeling - Temple Fox MIS
... State City VARCHAR(45) NULL , Zip State VARCHAR(2) NULL , Zip VARCHAR(10) NULL , ...
... State City VARCHAR(45) NULL , Zip State VARCHAR(2) NULL , Zip VARCHAR(10) NULL , ...
Chapter 3: Introduction to SQL - Computer Engineering Department
... ©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 ...