Oracle Interview Questions : The Interviewer`s Prespective
... been in this business for over 20 years, have grown up in a command line era where the GUIs never seemed to work. There was high complexity in systems and not much good documentation on how things worked. Thus, I had to learn everything about most aspects of the database environment I was working in ...
... been in this business for over 20 years, have grown up in a command line era where the GUIs never seemed to work. There was high complexity in systems and not much good documentation on how things worked. Thus, I had to learn everything about most aspects of the database environment I was working in ...
Flat File Database
... • Another approach is to slice a document with an identifier for each slice. • A simple mechanism to link documents is to have a special type name, for example, “include” with attributes that provide the necessary information to link to another document. • Example:
... • Another approach is to slice a document with an identifier for each slice. • A simple mechanism to link documents is to have a special type name, for example, “include” with attributes that provide the necessary information to link to another document. • Example:
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 ...
Document
... – Allows us to combine information from two or more tables – Real power behind the relational database, allowing the use of independent tables linked by common attributes ...
... – Allows us to combine information from two or more tables – Real power behind the relational database, allowing the use of independent tables linked by common attributes ...
Spatial database systems - Технички факултет
... • Traditional database systems do not provide any spatial data types. In addition to the classical data types integer, real, character, string they offer sometimes non-standard types of data such as date and time. An object in a spatial database is defined by several non-spatial attributes and one a ...
... • Traditional database systems do not provide any spatial data types. In addition to the classical data types integer, real, character, string they offer sometimes non-standard types of data such as date and time. An object in a spatial database is defined by several non-spatial attributes and one a ...
Oracle - University of St. Thomas
... Allows Oracle to read and write (dynamic) data from and to selected non-relational databases Two varieties - procedural and transparent ...
... Allows Oracle to read and write (dynamic) data from and to selected non-relational databases Two varieties - procedural and transparent ...
Oracle Text
... Since Oracle 9i: Integral part of all database editions, including the Express Edition. No extra cost. Enhancements and new features in all subsequent releases including 12c Oracle Text is based on Data Cartridge (Oracle‘s enhancement API) Oracle Text‘s logic is executed server-side based on spe ...
... Since Oracle 9i: Integral part of all database editions, including the Express Edition. No extra cost. Enhancements and new features in all subsequent releases including 12c Oracle Text is based on Data Cartridge (Oracle‘s enhancement API) Oracle Text‘s logic is executed server-side based on spe ...
Secondary Index
... index, which requires that the ordering field of the data file have a distinct value for each record. Includes one index entry for each distinct value of the field; the index entry points to the first data block that contains records with that field value. It is another example of nondense index whe ...
... index, which requires that the ordering field of the data file have a distinct value for each record. Includes one index entry for each distinct value of the field; the index entry points to the first data block that contains records with that field value. It is another example of nondense index whe ...
NoCOUG Gets Two Awards!
... Oracle uses two types of temporary segments: sort segments, and other temporary segments such as those associated with global temporary tables. A temporary tablespace is the space in which sort segments and other temporary segments are created and managed. A temporary tablespace is a tablespace, whi ...
... Oracle uses two types of temporary segments: sort segments, and other temporary segments such as those associated with global temporary tables. A temporary tablespace is the space in which sort segments and other temporary segments are created and managed. A temporary tablespace is a tablespace, whi ...
Chapter 4
... Identifies records in one table that don’t exist in another What products have never been ordered? What students haven’t registered? ...
... Identifies records in one table that don’t exist in another What products have never been ordered? What students haven’t registered? ...
Basic Controller 8 database tasks for Oracle 9i servers Guideline
... • There is a single database (“CCR”) on your Oracle server • The database contains at least one user (e.g. “fastnet”) which you are using to associate with your Controller 8 system. For more details on how to achieve the above, see separate documents “02. Quick guide to installing Oracle 9i Server _ ...
... • There is a single database (“CCR”) on your Oracle server • The database contains at least one user (e.g. “fastnet”) which you are using to associate with your Controller 8 system. For more details on how to achieve the above, see separate documents “02. Quick guide to installing Oracle 9i Server _ ...
Setting up Veritas Cluster Server (VCS)
... Parallel Server). Unlike OPS, no data or user segmentation is required, because there is only one instance running at one time for a service group. Additionally, when preparing for VCS, no modification to the application is required; in fact, the application does not “know” that the database has any ...
... Parallel Server). Unlike OPS, no data or user segmentation is required, because there is only one instance running at one time for a service group. Additionally, when preparing for VCS, no modification to the application is required; in fact, the application does not “know” that the database has any ...
SQL Server Integration Services
... The BIDS paradigm for developing SSIS packages is based on the concept of projects and solutions. A project is a container for one or more SSIS packages. Projects can be used to organize SSIS packages in a meaningful way. For instance if I have a number of SSIS packages that are used to load a data ...
... The BIDS paradigm for developing SSIS packages is based on the concept of projects and solutions. A project is a container for one or more SSIS packages. Projects can be used to organize SSIS packages in a meaningful way. For instance if I have a number of SSIS packages that are used to load a data ...
Chapter 10 - Pearson Higher Education
... DBMS use a layered approach VB application is topmost layer VB sends instructions to next layer, the DBMS DBMS works directly with data Programmer need not understand the physical structure of the data Just need to know how to interact with the database Copyright © 2007 Pearson Education, In ...
... DBMS use a layered approach VB application is topmost layer VB sends instructions to next layer, the DBMS DBMS works directly with data Programmer need not understand the physical structure of the data Just need to know how to interact with the database Copyright © 2007 Pearson Education, In ...
here.
... where clauses that specify that a value be less than or equal to some value and greater than or equal to some other value. Find the loan number of those loans with loan amounts between ...
... where clauses that specify that a value be less than or equal to some value and greater than or equal to some other value. Find the loan number of those loans with loan amounts between ...
Ch23b_Views
... Maintenance policy: Controls when we do refresh. Immediate: As part of the transaction that modifies the underlying data tables. (+ Materialized view is always consistent; - updates are slowed) Deferred: Some time later, in a separate transaction. (- View becomes inconsistent; + can scale to mai ...
... Maintenance policy: Controls when we do refresh. Immediate: As part of the transaction that modifies the underlying data tables. (+ Materialized view is always consistent; - updates are slowed) Deferred: Some time later, in a separate transaction. (- View becomes inconsistent; + can scale to mai ...
Importing Excel ® File using Microsoft Access ® in SAS ®
... Microsoft Access is a relational database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software development tools. It is a member of the Microsoft Office suite of applications and is included in the Professional and h ...
... Microsoft Access is a relational database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software development tools. It is a member of the Microsoft Office suite of applications and is included in the Professional and h ...
Ch23b_Views
... Maintenance policy: Controls when we do refresh. Immediate: As part of the transaction that modifies the underlying data tables. (+ Materialized view is always consistent; - updates are slowed) Deferred: Some time later, in a separate transaction. (- View becomes inconsistent; + can scale to mai ...
... Maintenance policy: Controls when we do refresh. Immediate: As part of the transaction that modifies the underlying data tables. (+ Materialized view is always consistent; - updates are slowed) Deferred: Some time later, in a separate transaction. (- View becomes inconsistent; + can scale to mai ...
Object Relational Databases
... • An example is “user-defined data types” v “classes”. • Thus, there is a large semantic gap between the o-o and o-r database worlds. • ORDBMS engineers are data focused while OODB engineers have models which attempt to mirror the real-world (data & behaviour). ...
... • An example is “user-defined data types” v “classes”. • Thus, there is a large semantic gap between the o-o and o-r database worlds. • ORDBMS engineers are data focused while OODB engineers have models which attempt to mirror the real-world (data & behaviour). ...
Super database computers : hardware and software
... Codasyl data language. For different applications, we may thus use, for example, a relational DBMS for handling tables, forms, and ad hoc queries a hierarchical DBMS for managing designs of assemblies, subassemblies, components and parts, and a Codasyl DBMS for exercising inventory control of suppli ...
... Codasyl data language. For different applications, we may thus use, for example, a relational DBMS for handling tables, forms, and ad hoc queries a hierarchical DBMS for managing designs of assemblies, subassemblies, components and parts, and a Codasyl DBMS for exercising inventory control of suppli ...
l7 - CLAIR
... once a user touches the data. This ensures that data that is being considered for update is not shown. In the other extreme, data is always readable. The data is even readable when it is locked for update. ...
... once a user touches the data. This ensures that data that is being considered for update is not shown. In the other extreme, data is always readable. The data is even readable when it is locked for update. ...
Sharing Data among Applications
... It also is possible to link data stored in a variety of formats to Access databases by selecting Link instead of Import on the shortcut menu. (The available formats include several other database management systems as well as a variety of nondatabase formats, including Excel worksheets.) With linkin ...
... It also is possible to link data stored in a variety of formats to Access databases by selecting Link instead of Import on the shortcut menu. (The available formats include several other database management systems as well as a variety of nondatabase formats, including Excel worksheets.) With linkin ...