Incomplete Recovery
... • Perform complete or incomplete user-managed recovery • Identify situations where incomplete recovery is necessary • Perform complete or incomplete recovery by using RMAN • Perform incomplete recovery based on time, SCN, log sequence, restore points, or the cancel method • Recover an automatically ...
... • Perform complete or incomplete user-managed recovery • Identify situations where incomplete recovery is necessary • Perform complete or incomplete recovery by using RMAN • Perform incomplete recovery based on time, SCN, log sequence, restore points, or the cancel method • Recover an automatically ...
An Introduction to C# and Database Programming with ADO.NET
... Programming web sites and forums (most of the times your question has been answered before – needs patience and good search keywords) ...
... Programming web sites and forums (most of the times your question has been answered before – needs patience and good search keywords) ...
Design of the MANDATE MIB
... Control data can be both read and written by the network operator or by MIB control processes. The process for changing an existing set of control settings is usually initiated by the network operators. For example, if the operator observes from the sensor data that some links are becoming excessive ...
... Control data can be both read and written by the network operator or by MIB control processes. The process for changing an existing set of control settings is usually initiated by the network operators. For example, if the operator observes from the sensor data that some links are becoming excessive ...
Relational Database Management Systems and SQL
... created by the DBA using the CREATE INDEX command. An index is used to speed up retrieval of records based on the value in one or more columns. An index lists the values that exist for the indexed column(s), and the location of the records that have those values. Most relational database management ...
... created by the DBA using the CREATE INDEX command. An index is used to speed up retrieval of records based on the value in one or more columns. An index lists the values that exist for the indexed column(s), and the location of the records that have those values. Most relational database management ...
Declarative Management of SQL Servers and Databases with Policies
... Effective Data Storage Although disk space is generally inexpensive, there are many benefits to reducing the amount of storage space used by your database. Large data files can slow performance during reads and writes. One way SQL Server 2008 addresses this problem is with data compression. Data com ...
... Effective Data Storage Although disk space is generally inexpensive, there are many benefits to reducing the amount of storage space used by your database. Large data files can slow performance during reads and writes. One way SQL Server 2008 addresses this problem is with data compression. Data com ...
Performance Tradeoffs in Read-Optimized Databases
... While column-oriented systems often have their own sets of column-wise operators that can provide additional performance benefit to column stores [1], we focus in this paper on the differences between column and row stores related solely to the way data is stored on disk. To this end, we implement b ...
... While column-oriented systems often have their own sets of column-wise operators that can provide additional performance benefit to column stores [1], we focus in this paper on the differences between column and row stores related solely to the way data is stored on disk. To this end, we implement b ...
Introduction to SQL, OleDB interface to Access from VB.NET
... to remove duplicates, we can use the DISTINCT clause: SELECT DISTINCT Orders.cust_id FROM Orders; • We can combine a selection and a projection by using the WHERE clause: SELECT Orders.cust_id FROM Orders WHERE Salesperson = “Jones”; • This could be used if we wanted to get all the customers that Jo ...
... to remove duplicates, we can use the DISTINCT clause: SELECT DISTINCT Orders.cust_id FROM Orders; • We can combine a selection and a projection by using the WHERE clause: SELECT Orders.cust_id FROM Orders WHERE Salesperson = “Jones”; • This could be used if we wanted to get all the customers that Jo ...
Murach MySQL Chapter 1 slides
... Identify the three main hardware components of a client/server system. Describe the way a client accesses the database on a server using these terms: application software, data access API, database management system, SQL query, and query results. Describe the way a relational database is organ ...
... Identify the three main hardware components of a client/server system. Describe the way a client accesses the database on a server using these terms: application software, data access API, database management system, SQL query, and query results. Describe the way a relational database is organ ...
EMONITOR Odyssey™ Version 1.2 New Features and Enhancements
... Severity Updater previously required you to log in when a SQL error occurred. This bug has been fixed in version 1.2. Scheduler has been altered to allow it to run even if the database server is not available. Export16, the utility used for exporting 16-bit Gupta databases, has been updated so that ...
... Severity Updater previously required you to log in when a SQL error occurred. This bug has been fixed in version 1.2. Scheduler has been altered to allow it to run even if the database server is not available. Export16, the utility used for exporting 16-bit Gupta databases, has been updated so that ...
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 ...
On Mapping between UML and Entity
... In the latter case, a mapping from the object model to the relational model is required. The ER model is the best choice to represent the relational model visually. Moreover, many database designers and database users have been using ER model for a long time and have mastered all the modeling techn ...
... In the latter case, a mapping from the object model to the relational model is required. The ER model is the best choice to represent the relational model visually. Moreover, many database designers and database users have been using ER model for a long time and have mastered all the modeling techn ...
Data Warehouse - dbmanagement.info
... The central data warehouse is physical There exist local data marts on different tiers which store copies or summarization of the ...
... The central data warehouse is physical There exist local data marts on different tiers which store copies or summarization of the ...
Analysis of Data Storage Technologies for the
... form the basis for the following discussion. The relational model, based on the work of E. F. Codd in the early 1970s, has three major components: structures, operations, and integrity rules. Structures are well-defined objects that define how to store the data of a database. RDBMS systems have both ...
... form the basis for the following discussion. The relational model, based on the work of E. F. Codd in the early 1970s, has three major components: structures, operations, and integrity rules. Structures are well-defined objects that define how to store the data of a database. RDBMS systems have both ...
Database Security
... • Run the DBMS behind a firewall • Apply the latest operating system and DBMS service packs and patches • Limit DBMS functionality (surface area) to needed features • Protect the computer that runs the DBMS • Manage accounts and passwords KROENKE and AUER - DATABASE CONCEPTS (3rd Edition) © 2008 Pea ...
... • Run the DBMS behind a firewall • Apply the latest operating system and DBMS service packs and patches • Limit DBMS functionality (surface area) to needed features • Protect the computer that runs the DBMS • Manage accounts and passwords KROENKE and AUER - DATABASE CONCEPTS (3rd Edition) © 2008 Pea ...
HadoopDB: An Architectural Hybrid of MapReduce and
... [8] are best suited for performing analysis at this scale since they were designed from the beginning to scale to thousands of nodes in a shared-nothing architecture, and have had proven success in Google’s internal operations and on the TeraSort benchmark [7]. Despite being originally designed for ...
... [8] are best suited for performing analysis at this scale since they were designed from the beginning to scale to thousands of nodes in a shared-nothing architecture, and have had proven success in Google’s internal operations and on the TeraSort benchmark [7]. Despite being originally designed for ...
Microsoft SQL Server 2005 Database Mirroring
... To prepare for the Database Mirroring session, the database that will end up being the Mirror needs to be brought to a point that is transactionaly close to the Principal. It does not have to be to the exact point, but the closer it is, the quicker the mirror will get to the synchronized state. For ...
... To prepare for the Database Mirroring session, the database that will end up being the Mirror needs to be brought to a point that is transactionaly close to the Principal. It does not have to be to the exact point, but the closer it is, the quicker the mirror will get to the synchronized state. For ...
Impact of SQL Server 2005
... 'I need to know the average increase year on year for each sales person, each department, each office, each country for 1993 to 1996 for widget x and y and z – but only include sales of the large versions in red' ...
... 'I need to know the average increase year on year for each sales person, each department, each office, each country for 1993 to 1996 for widget x and y and z – but only include sales of the large versions in red' ...
Commvault Definitions and Glosarry
... on the disk. This is not charged on the effective amount of logical data stored in the backup and archive jobs. Page 1 / 6 ...
... on the disk. This is not charged on the effective amount of logical data stored in the backup and archive jobs. Page 1 / 6 ...
Retrieving Data from Oracle Using ODP.NET
... The OracleDataReader class is simply a read-only and forward-only result set. As the data retrieved using this class is non-updatable and only forward-navigable, this is the fastest retrieval mechanism available. The most important point to remember while using OracleDataReader is that it needs a de ...
... The OracleDataReader class is simply a read-only and forward-only result set. As the data retrieved using this class is non-updatable and only forward-navigable, this is the fastest retrieval mechanism available. The most important point to remember while using OracleDataReader is that it needs a de ...
The Relational Model - Department of Computer Science | UNC
... A set of fields is a key for a relation if : 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, one of the keys is chosen (by DBA) to be the primary key. ...
... A set of fields is a key for a relation if : 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, one of the keys is chosen (by DBA) to be the primary key. ...
OFFICE OF THE ACCOUNTANT GENERAL (A&E), KERALA
... Database Security Concepts (Contd…) • Security in Oracle has several layers. • The first layer of security is, of course, the RAW assignment and management of users. • The second layer is the high-level system grants that give the user permission to create, alter, and use database objects such as t ...
... Database Security Concepts (Contd…) • Security in Oracle has several layers. • The first layer of security is, of course, the RAW assignment and management of users. • The second layer is the high-level system grants that give the user permission to create, alter, and use database objects such as t ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.