Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition
... Embedded SQL in C Programming Examples A cursor (iterator) is needed to process multiple tuples FETCH commands move the cursor to the next tuple CLOSE CURSOR indicates that the processing of query results has been completed ...
... Embedded SQL in C Programming Examples A cursor (iterator) is needed to process multiple tuples FETCH commands move the cursor to the next tuple CLOSE CURSOR indicates that the processing of query results has been completed ...
Sensor Data Storage Performance: SQL or NoSQL, Physical
... for the support of consistency and availability, there is less tolerance for network partitions, which makes it difficult to scale SQL databases horizontally. Adding more capacity to such a database thus boils down to adding more processing and storage power to a single machine. NoSQL databases try t ...
... for the support of consistency and availability, there is less tolerance for network partitions, which makes it difficult to scale SQL databases horizontally. Adding more capacity to such a database thus boils down to adding more processing and storage power to a single machine. NoSQL databases try t ...
Parallel SECONDO: A Practical System for Large
... built up as a hybrid parallel system by combining Hadoop and a set of S ECONDO databases. On one hand, it scales up the capability of processing special type data in S ECONDO on a cluster of computers, so as to improve the efficiency of processing large-scale queries. On the other hand, it keeps the ...
... built up as a hybrid parallel system by combining Hadoop and a set of S ECONDO databases. On one hand, it scales up the capability of processing special type data in S ECONDO on a cluster of computers, so as to improve the efficiency of processing large-scale queries. On the other hand, it keeps the ...
Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition
... Embedded SQL in C Programming Examples A cursor (iterator) is needed to process multiple tuples FETCH commands move the cursor to the next tuple CLOSE CURSOR indicates that the processing of query results has been completed ...
... Embedded SQL in C Programming Examples A cursor (iterator) is needed to process multiple tuples FETCH commands move the cursor to the next tuple CLOSE CURSOR indicates that the processing of query results has been completed ...
Course Review
... Intelligent Keys : have a meaning. Longitude and Latitude of an object (say a building) uniquely identifies a building and also nominates where it is. Super Key : This is normally a key with too many attributes in it. Some of the columns could be removed and a key would still exist. A good example i ...
... Intelligent Keys : have a meaning. Longitude and Latitude of an object (say a building) uniquely identifies a building and also nominates where it is. Super Key : This is normally a key with too many attributes in it. Some of the columns could be removed and a key would still exist. A good example i ...
Information Retention: A Database Perspective
... Copyright © 2013, Oracle and/or its affiliates. All rights reserved. ...
... Copyright © 2013, Oracle and/or its affiliates. All rights reserved. ...
Emerging Technology and the Future of Education
... have access to your top secret information. When you write the code for the Delete button, you will learn the dataset method for deleting records from a database. This will round out the database functions you have learned in this part of this book. By the time you complete this chapter, you will ha ...
... have access to your top secret information. When you write the code for the Delete button, you will learn the dataset method for deleting records from a database. This will round out the database functions you have learned in this part of this book. By the time you complete this chapter, you will ha ...
Lecture slides
... Sometimes we have to select data from two tables to make our result complete. We have to perform a join. Tables in a database can be related to each other with keys. – A primary key is a column with a unique value for each row. The purpose is to bind data together, across tables, without repeating a ...
... Sometimes we have to select data from two tables to make our result complete. We have to perform a join. Tables in a database can be related to each other with keys. – A primary key is a column with a unique value for each row. The purpose is to bind data together, across tables, without repeating a ...
SQL Server Management Studio (SSMS)
... implementing the database and as a functional specification for the database after it has been implemented. The complexity and detail of a database design is dictated by the complexity and size of the database application as well as the user population. A well-designed database shall: Eliminate ...
... implementing the database and as a functional specification for the database after it has been implemented. The complexity and detail of a database design is dictated by the complexity and size of the database application as well as the user population. A well-designed database shall: Eliminate ...
GreenSQL 3.2.3 Installation Guide
... GreenSQL warrants performance of its products to the specifications applicable at the time of sale in accordance with GreenSQL's standard warranty. Testing and other quality control techniques are used to the extent GreenSQL deems necessary to support this warranty. Except where mandated by governme ...
... GreenSQL warrants performance of its products to the specifications applicable at the time of sale in accordance with GreenSQL's standard warranty. Testing and other quality control techniques are used to the extent GreenSQL deems necessary to support this warranty. Except where mandated by governme ...
Automatic Database Configuration for DB2
... IBM’s DB2 Universal Database product provides a set of configuration parameters settings that can be used to configure and tune the DB2 environment. The objective of the Advisor is to define a set of initial database configuration parameters and memory assignments to optimize system performance with ...
... IBM’s DB2 Universal Database product provides a set of configuration parameters settings that can be used to configure and tune the DB2 environment. The objective of the Advisor is to define a set of initial database configuration parameters and memory assignments to optimize system performance with ...
Administrator`s Getting Started Guide
... Some of these sections go into detail. If the details are described in another document, those details are not included here but you are referred to where the details may be found. The VLTrader User’s Guide and VersaLex Translator Integration Guide referred to in this document can be found on the VL ...
... Some of these sections go into detail. If the details are described in another document, those details are not included here but you are referred to where the details may be found. The VLTrader User’s Guide and VersaLex Translator Integration Guide referred to in this document can be found on the VL ...
Tuning Mondrian Performance
... to load segments into the cache. When Mondrian is closed and restarted, it has to do that work again. This can be a significant chunk of time depending on the cube size. For example in one test an 8GB cube (55M row fact table) took 15 minutes (mostly doing a group by) before it returned results from ...
... to load segments into the cache. When Mondrian is closed and restarted, it has to do that work again. This can be a significant chunk of time depending on the cube size. For example in one test an 8GB cube (55M row fact table) took 15 minutes (mostly doing a group by) before it returned results from ...
A Three Level Tree Structure Database Architecture for Global
... REVIEW OF EXITING DATABASE ARCHITECTURE ...
... REVIEW OF EXITING DATABASE ARCHITECTURE ...
Building a dynamic OLAP environment
... OLAP = specific technology allowing users to access data OLAP data mart = specific subset of data to meet specific business needs + presented using correct business terminology and attributes + delivered using OLAP: allows data to be analysed using familiar tools such as Excel or 70+ other client to ...
... OLAP = specific technology allowing users to access data OLAP data mart = specific subset of data to meet specific business needs + presented using correct business terminology and attributes + delivered using OLAP: allows data to be analysed using familiar tools such as Excel or 70+ other client to ...
Chapter 4: Advanced SQL - United International College
... temporary relation that holds the result of the query. EXEC SQL close c END_EXEC Note: above details vary with language. For example, the Java embedding defines Java iterators to step through result tuples. ...
... temporary relation that holds the result of the query. EXEC SQL close c END_EXEC Note: above details vary with language. For example, the Java embedding defines Java iterators to step through result tuples. ...
Information paper database recovery
... Database unavailability The Access system is still available, but its database becomes unusable. Causes for such database loss are often linked to a human error when manipulating the database or the underlying operating system. The probability of losing the database due to an internal corruption or ...
... Database unavailability The Access system is still available, but its database becomes unusable. Causes for such database loss are often linked to a human error when manipulating the database or the underlying operating system. The probability of losing the database due to an internal corruption or ...
CH10
... Rename Weight As Wt; Exam 2: Var Pq View Summarize Sp Per P {P#} Add Sum (Qty) As Totqty; Exam 3: Var City_Pair View ((S Rename City As Scity) Join Sp Join (P Rename City As Pcity)) {Scity, Pcity}; Exam 4: Var Heavy_Redpart View Redpart Where ...
... Rename Weight As Wt; Exam 2: Var Pq View Summarize Sp Per P {P#} Add Sum (Qty) As Totqty; Exam 3: Var City_Pair View ((S Rename City As Scity) Join Sp Join (P Rename City As Pcity)) {Scity, Pcity}; Exam 4: Var Heavy_Redpart View Redpart Where ...
Elmasri/Navathe, Fundamentals of Database Systems, Fourth
... Embedded SQL in C Programming Examples A cursor (iterator) is needed to process multiple tuples FETCH commands move the cursor to the next tuple CLOSE CURSOR indicates that the processing of query results has been completed ...
... Embedded SQL in C Programming Examples A cursor (iterator) is needed to process multiple tuples FETCH commands move the cursor to the next tuple CLOSE CURSOR indicates that the processing of query results has been completed ...
SAP R/3 : ABAP/4 Development Code Efficiency Guidelines
... In order to keep the amount of data which is relevant to the query the hit set small, avoid using SELECT+CHECK statements wherever possible. As a general rule of thumb, always specify all known conditions in the WHERE clause (if possible). If there is no WHERE clause the DBMS has no chance to make o ...
... In order to keep the amount of data which is relevant to the query the hit set small, avoid using SELECT+CHECK statements wherever possible. As a general rule of thumb, always specify all known conditions in the WHERE clause (if possible). If there is no WHERE clause the DBMS has no chance to make o ...
Appendix G: When is a DBMS Relational?
... of DBMS products based upon network and hierarchical data models have implemented a few relational features to claim they are in some way relational. Concerned that the full power and implications of the relational approach were being distorted, Codd specified 12 rules (13 with Rule 0, the foundatio ...
... of DBMS products based upon network and hierarchical data models have implemented a few relational features to claim they are in some way relational. Concerned that the full power and implications of the relational approach were being distorted, Codd specified 12 rules (13 with Rule 0, the foundatio ...