ppt
... runs on the same server where the database is installed Did not worry about explicit connection to database ...
... runs on the same server where the database is installed Did not worry about explicit connection to database ...
DBMS - Department of Higher Education
... type and the components that make up the records. Alternatively, it is defined as a framework into which the values of the data items are fitted. The values fitted into the frame-work changes regularly but the format of schema remains the same e.g., consider the database consisting of three files IT ...
... type and the components that make up the records. Alternatively, it is defined as a framework into which the values of the data items are fitted. The values fitted into the frame-work changes regularly but the format of schema remains the same e.g., consider the database consisting of three files IT ...
- Courses - University of California, Berkeley
... • So, we can convert the XML to a relational database, but can we then export as an XML document? – This is equally challenging • But MOSTLY involves just re-joining the tables • How do you store and put back the wrapping tags for sets of subelements? • Since the decomposition of the DTD was approxi ...
... • So, we can convert the XML to a relational database, but can we then export as an XML document? – This is equally challenging • But MOSTLY involves just re-joining the tables • How do you store and put back the wrapping tags for sets of subelements? • Since the decomposition of the DTD was approxi ...
Data in a PaaS World: A Guide for New Applications
... HBase can be viewed as a column-family store. As Figure 6 suggests, the columns in each table are grouped into families, and requests for data can specify which column family to look in. Unlike relational tables, however, HBase allows adding a new column to a column family at runtime—the schema isn’ ...
... HBase can be viewed as a column-family store. As Figure 6 suggests, the columns in each table are grouped into families, and requests for data can specify which column family to look in. Unlike relational tables, however, HBase allows adding a new column to a column family at runtime—the schema isn’ ...
sql server dba ****** (mar 2016 – present) – chester
... Managed the Integration of third-party offshore team to facilitate 24x7 support SQL SERVER DBA – UNILEVER (SEPT 2005 – SEPT 2007) – CHESTER Construction of SQL Server 2000, 2005 and 2008 Build guides and assessment of upgrade / migration from SQL Server 2000 Implementation of automation script ...
... Managed the Integration of third-party offshore team to facilitate 24x7 support SQL SERVER DBA – UNILEVER (SEPT 2005 – SEPT 2007) – CHESTER Construction of SQL Server 2000, 2005 and 2008 Build guides and assessment of upgrade / migration from SQL Server 2000 Implementation of automation script ...
Relational Query Languages: Relational Algebra
... – Relational Algebra: More operational, very useful for representing execution plans. – Relational Calculus: Lets users describe what they want, rather than how to compute it. (Nonoperational, declarative.) ...
... – Relational Algebra: More operational, very useful for representing execution plans. – Relational Calculus: Lets users describe what they want, rather than how to compute it. (Nonoperational, declarative.) ...
PhD Thesis - Mark Papiani
... storage, searching, retrieval and manipulation of simulation results in the hundreds of gigabytes range. A prototype architecture and user interface, EASIA (Extensible Architecture for Scientific Data Archives) [182] [183] is described. EASIA demonstrates several new concepts for active digital libr ...
... storage, searching, retrieval and manipulation of simulation results in the hundreds of gigabytes range. A prototype architecture and user interface, EASIA (Extensible Architecture for Scientific Data Archives) [182] [183] is described. EASIA demonstrates several new concepts for active digital libr ...
SQL Queries - subqueries and joining
... • Result from inner query (the subquery) is used as input to outer query • The inner query produces a result table – just as any other query – which is then used by the outer query • Very convenient – but some complications ...
... • Result from inner query (the subquery) is used as input to outer query • The inner query produces a result table – just as any other query – which is then used by the outer query • Very convenient – but some complications ...
Chapter7QBEgood
... parameter, find matched, find unmatched, crosstab, and autolookup queries. How to use QBE action queries to change the content of tables. ...
... parameter, find matched, find unmatched, crosstab, and autolookup queries. How to use QBE action queries to change the content of tables. ...
Chapter 17: Parallel Databases
... ©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 ...
Creating a table, form and query
... Show all educational destinations and sort this list into ascending order according to destination name. Show a list of all Heritage and Sports trips only. Show all trips costing less than or equal to £5. Show all trips that are free and sort into ascending order according to the ‘region’ field. Hid ...
... Show all educational destinations and sort this list into ascending order according to destination name. Show a list of all Heritage and Sports trips only. Show all trips costing less than or equal to £5. Show all trips that are free and sort into ascending order according to the ‘region’ field. Hid ...
Module 3 Basic Access
... you gave the computer bad data or bad instructions (GIGO) Most applications have self-help features, use them ...
... you gave the computer bad data or bad instructions (GIGO) Most applications have self-help features, use them ...
Chapter 1 Database Application
... 2.2 A. Hierarchical Structure of Data A database is an organised collection of logically related tables. ...
... 2.2 A. Hierarchical Structure of Data A database is an organised collection of logically related tables. ...
Low-Overhead Asynchronous Checkpointing in Main
... applications, however, are not guaranteed to reach physical points of consistency at regular intervals. Although it is always possible to force the database system to reach such a point by quiescing it entirely (disallowing new transactions from beginning to execute until all currently active trans ...
... applications, however, are not guaranteed to reach physical points of consistency at regular intervals. Although it is always possible to force the database system to reach such a point by quiescing it entirely (disallowing new transactions from beginning to execute until all currently active trans ...
Auditing and Inference Control in
... query only when it is secure to do so. 2) Maximum Information: Given the previous querying history of the SDB, auditing can provide the maximum information to the users. This includes accurate answers and as many query answers to the user as the security of the SDB permits. 3) Flexibility: It is mor ...
... query only when it is secure to do so. 2) Maximum Information: Given the previous querying history of the SDB, auditing can provide the maximum information to the users. This includes accurate answers and as many query answers to the user as the security of the SDB permits. 3) Flexibility: It is mor ...
Analytic Extensions to SQL in Oracle9i
... TYPICAL is the default setting Statistics gathered as a predefined job (GATHER_STATS_JOB) scheduled by the unified scheduler Statistics gathered using DBMS_STATISTICS package Oracle implicitly determines: The database objects which have missing or stale statistics The appropriate sampling pe ...
... TYPICAL is the default setting Statistics gathered as a predefined job (GATHER_STATS_JOB) scheduled by the unified scheduler Statistics gathered using DBMS_STATISTICS package Oracle implicitly determines: The database objects which have missing or stale statistics The appropriate sampling pe ...
PL/SQL
... translates the query into a machine language format. The system stores the parsed query in the cursor’s context area and creates the memory structure that will store the active set. The cursor does not retrieve the data values at this stage. ...
... translates the query into a machine language format. The system stores the parsed query in the cursor’s context area and creates the memory structure that will store the active set. The cursor does not retrieve the data values at this stage. ...
2-3 Information on the OSPAR RID database development activities
... As a basis for the assessment of the RID data, the RID database was designed and implemented by QuoData in 2008. The aim of the RID database is the structured storage of the annual RID data and the harmonization of the national RID data. An overview of the 2008 database is given in section 3. Howeve ...
... As a basis for the assessment of the RID data, the RID database was designed and implemented by QuoData in 2008. The aim of the RID database is the structured storage of the annual RID data and the harmonization of the national RID data. An overview of the 2008 database is given in section 3. Howeve ...
Draft Guidelines On Climate Data Management
... Prior to electronic computers, mechanical devices played an important part in the development of data management. Calculations were made using comptometers, for example, with the results being recorded on paper. A major advance occurred with the introduction of the Hollerith system of punch-cards, s ...
... Prior to electronic computers, mechanical devices played an important part in the development of data management. Calculations were made using comptometers, for example, with the results being recorded on paper. A major advance occurred with the introduction of the Hollerith system of punch-cards, s ...
Module 13. Maintaining the Active Directory Database
... Microsoft® Windows® 2000 Active Directory® directory service stores its information in a transactional database, therefore it is able to maintain the integrity of the data after a failure. The causes of a failure can range from hardware failure to a complete system loss, such as in the case of fire. ...
... Microsoft® Windows® 2000 Active Directory® directory service stores its information in a transactional database, therefore it is able to maintain the integrity of the data after a failure. The causes of a failure can range from hardware failure to a complete system loss, such as in the case of fire. ...
lesson16
... every time it writes to the database from the log (a process called checkpointing). •You’ll lose up-to-the-minute recoverability because the latest transactions will be deleted every time the server checkpoints. •If your database crashes, you can restore it only to the time of the last full backup. ...
... every time it writes to the database from the log (a process called checkpointing). •You’ll lose up-to-the-minute recoverability because the latest transactions will be deleted every time the server checkpoints. •If your database crashes, you can restore it only to the time of the last full backup. ...
Document
... model — Peter Chen (1976). Extended E-R model — Extensions to the Chen model. Information Engineering (IE) — James Martin (1990); it uses “crow’s foot” notation, is easier to understand. IDEF1X — A national standard developed by the National Institute of Standards and Technology(NIST) . Unif ...
... model — Peter Chen (1976). Extended E-R model — Extensions to the Chen model. Information Engineering (IE) — James Martin (1990); it uses “crow’s foot” notation, is easier to understand. IDEF1X — A national standard developed by the National Institute of Standards and Technology(NIST) . Unif ...
RDF Objects
... Many real-world entities like People and Working Groups do not have URIs, and are modelled in RDF using blank nodes. Instead of being identified by a URI, they can be identified by their unambiguous properties. These properties can be determined from OWL and DAML ontologies. An application wanting t ...
... Many real-world entities like People and Working Groups do not have URIs, and are modelled in RDF using blank nodes. Instead of being identified by a URI, they can be identified by their unambiguous properties. These properties can be determined from OWL and DAML ontologies. An application wanting t ...