Language Integrated Query: An introduction
... •Mapping is set at compile time •Can not mix mapped and unmapped properties in a single query •Microsoft SQL Server 2000, 2005 only ...
... •Mapping is set at compile time •Can not mix mapped and unmapped properties in a single query •Microsoft SQL Server 2000, 2005 only ...
Document
... • Multiple conditions require you to use logical operators to combine two or more conditions – Use the And logical operator when you want a record selected only if two or more conditions are met – Use the Or logical operator when you place conditions in different Criteria rows ...
... • Multiple conditions require you to use logical operators to combine two or more conditions – Use the And logical operator when you want a record selected only if two or more conditions are met – Use the Or logical operator when you place conditions in different Criteria rows ...
Slide 1
... They are specially designed software applications that interact with the user, other applications, and the database itself to capture and analyse data. • A general-purpose DBMS is a software system designed to allow the definition, creation, querying, update, and administration of databases. Data Mo ...
... They are specially designed software applications that interact with the user, other applications, and the database itself to capture and analyse data. • A general-purpose DBMS is a software system designed to allow the definition, creation, querying, update, and administration of databases. Data Mo ...
An Analytic Data Warehouse for Ad-hoc Queries
... Knowledge Nodes are far smaller than standard indexes, which results in their faster, in-memory processing, as well as in the ability of storing more of their types, for far more (combinations of) tables and columns. This advantage fits well with a growing need of dealing with ad hoc, unpredictable ...
... Knowledge Nodes are far smaller than standard indexes, which results in their faster, in-memory processing, as well as in the ability of storing more of their types, for far more (combinations of) tables and columns. This advantage fits well with a growing need of dealing with ad hoc, unpredictable ...
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Chapter 9 Relational Database Design by ER- and EER
... Relational Database Design by ER- and EER-toRelational Mapping Design a relational database schema ...
... Relational Database Design by ER- and EER-toRelational Mapping Design a relational database schema ...
Advanced SQL
... The subset of R2 is a foreign key referencing K1 in relation r1, if for every t2 in r2 there must be a tuple t1 in r1 such that t1[K1] = t2[]. Referential integrity constraint also called subset dependency since its can be written as ...
... The subset of R2 is a foreign key referencing K1 in relation r1, if for every t2 in r2 there must be a tuple t1 in r1 such that t1[K1] = t2[]. Referential integrity constraint also called subset dependency since its can be written as ...
Sync Kit: A persistent client-side database caching toolkit Please share
... When many data items are retrieved, latencies can grow to be seconds long. Asynchronous technologies such as AJAX allow web applications to remain responsive during these requests, but designing highly responsive web applications in the face of these latencies, especially on bandwidth-impaired devic ...
... When many data items are retrieved, latencies can grow to be seconds long. Asynchronous technologies such as AJAX allow web applications to remain responsive during these requests, but designing highly responsive web applications in the face of these latencies, especially on bandwidth-impaired devic ...
KorthDB6_ch2
... Relations are Unordered Order of tuples is irrelevant (tuples may be stored in an arbitrary order) Example: instructor relation with unordered tuples ...
... Relations are Unordered Order of tuples is irrelevant (tuples may be stored in an arbitrary order) Example: instructor relation with unordered tuples ...
Database Technology (60) (AS - 1511010308)
... 06.13 Describe the use of the group functions. 06.14 Group data by using the GROUP BY clause. 06.15 Include or exclude grouped rows by using the HAVING clause. 06.16 Write complex SELECT statements including the use of various JOIN, SUBQUERIES, and conditional expressions. 06.17 Discuss when it is a ...
... 06.13 Describe the use of the group functions. 06.14 Group data by using the GROUP BY clause. 06.15 Include or exclude grouped rows by using the HAVING clause. 06.16 Write complex SELECT statements including the use of various JOIN, SUBQUERIES, and conditional expressions. 06.17 Discuss when it is a ...
Beginners Guide to OpenEdge SQL
... • OpenEdge SQL: Authorization Explained • OpenEdge SQL in a 10.1B Multi-Database Environment • OpenEdge® Database Run-time Security Revealed ...
... • OpenEdge SQL: Authorization Explained • OpenEdge SQL in a 10.1B Multi-Database Environment • OpenEdge® Database Run-time Security Revealed ...
KorthDB6_ch17 - Internet Database Lab.
... If a lock can be obtained, the lock table is updated directly in shared memory If a lock cannot be immediately obtained, a lock request is noted in the lock table and the process (or thread) then waits for lock to be granted When a lock is released, releasing process updates lock table to record ...
... If a lock can be obtained, the lock table is updated directly in shared memory If a lock cannot be immediately obtained, a lock request is noted in the lock table and the process (or thread) then waits for lock to be granted When a lock is released, releasing process updates lock table to record ...
Towards a XML Fuzzy Structured Query Language
... and NOAFT – and fuzzy querying on crisp attributes. From a general structure SELECTFROM-WHERE it is possible to indicate attributes to retrieve, tables from which data is retrieved and to establish conditions.
...
... and NOAFT – and fuzzy querying on crisp attributes. From a general structure SELECTFROM-WHERE it is possible to indicate attributes to retrieve, tables from which data is retrieved and to establish conditions.
Fall seven times, stand up eight. PL/SQL 1. What is PL/SQL ? PL
... A view is stored inside the database as a select query. It does not have any data of its own but it only fetches data from base tables by executing the query written at the time of its creation view is a window to see data from one or more tables. 6. What are various privileges that a user can grant ...
... A view is stored inside the database as a select query. It does not have any data of its own but it only fetches data from base tables by executing the query written at the time of its creation view is a window to see data from one or more tables. 6. What are various privileges that a user can grant ...
Chapter 4
... not implement them in relational DBMS – Within original entity, create several new attributes, one for each of the original multivalued attribute’s ...
... not implement them in relational DBMS – Within original entity, create several new attributes, one for each of the original multivalued attribute’s ...
Chapter 7: Managing Data Resources
... The automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security is the: a. ...
... The automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security is the: a. ...
An Architecture for Automatic Relational Database System Conversion
... as aids in the schema design process. In related work with other data models, House1 [3] demonstrates the use of CONVERT [ll, 121 operators for querying and transforming hierarchically organized, tabular databases described by DEFINE language statements. Su and Lam [14] describe transformations of d ...
... as aids in the schema design process. In related work with other data models, House1 [3] demonstrates the use of CONVERT [ll, 121 operators for querying and transforming hierarchically organized, tabular databases described by DEFINE language statements. Su and Lam [14] describe transformations of d ...
TinyDB Documentation
... To convert your data to a format that is writable to disk TinyDB uses the Python JSON module by default. It’s great when only simple data types are involved but it cannot handle more complex data types like custom classes. On Python 2 it also converts strings to Unicode strings upon reading (describ ...
... To convert your data to a format that is writable to disk TinyDB uses the Python JSON module by default. It’s great when only simple data types are involved but it cannot handle more complex data types like custom classes. On Python 2 it also converts strings to Unicode strings upon reading (describ ...
A Review on Partitioning Techniques in Database
... abhaykumar.it@jecrc.ac.in; 2 jitendra.yadav@jecrcu.edu.in ...
... abhaykumar.it@jecrc.ac.in; 2 jitendra.yadav@jecrcu.edu.in ...
NNM Data Warehouse and Remote Database Connectivity
... NNM Data Warehouse and Remote Database Connectivity The default configuration of NNM’s data warehouse to an external database assumes a database installed on the same machine as NNM. While this configuration is often adequate, there are circumstances that would make the separation of the NNM applica ...
... NNM Data Warehouse and Remote Database Connectivity The default configuration of NNM’s data warehouse to an external database assumes a database installed on the same machine as NNM. While this configuration is often adequate, there are circumstances that would make the separation of the NNM applica ...
ADO Programming with Adaptive Server Anywhere.
... • Optimistic Locking: The lock is done on row by row basis, when Update is called. • Batch Optimistic Locking: The lock occurs when UpdateBatch is called. • Pessimistic Locking: The lock is done on the edited records at the data source. • Read Only Locking: There is no Locking and the data can’t be ...
... • Optimistic Locking: The lock is done on row by row basis, when Update is called. • Batch Optimistic Locking: The lock occurs when UpdateBatch is called. • Pessimistic Locking: The lock is done on the edited records at the data source. • Read Only Locking: There is no Locking and the data can’t be ...
