Chapter # 7 (Introduction to Structured Query Language
... View is virtual table based on SELECT query Create view by using CREATE VIEW command Special characteristics of relational view: Name of view can be used anywhere a table name is expected View dynamically updated Restricts users to only specified columns and rows Views may be used as basis f ...
... View is virtual table based on SELECT query Create view by using CREATE VIEW command Special characteristics of relational view: Name of view can be used anywhere a table name is expected View dynamically updated Restricts users to only specified columns and rows Views may be used as basis f ...
2.JiaoDaCube
... We hit an iceberg, rather than saw one – not timely enough The boat can sink, actually, again too late to find out ...
... We hit an iceberg, rather than saw one – not timely enough The boat can sink, actually, again too late to find out ...
Physical Database Design and Performance
... value (e.g., using a formula) Construct a report listing missing values In programs, ignore missing data unless the value is significant (sensitivity testing) ...
... value (e.g., using a formula) Construct a report listing missing values In programs, ignore missing data unless the value is significant (sensitivity testing) ...
Introduction to Database
... function that is responsible for physical database design and for dealing with technical issues such as security enforcement, database performance, and backup and recovery ...
... function that is responsible for physical database design and for dealing with technical issues such as security enforcement, database performance, and backup and recovery ...
Database Administration
... DBMS writes a special record called checkpoint record to the log file which is like the snapshot of the database. This record contains information to restart the system. Any dirty data blocks are written to the system ...
... DBMS writes a special record called checkpoint record to the log file which is like the snapshot of the database. This record contains information to restart the system. Any dirty data blocks are written to the system ...
Fields and Properties
... would want to record the STUDENT_ID so we would create a field with this name and into it would put the Student_ID for each student. These pieces of data are called 'attributes' and they are stored in the fields. We name the fields so that it is easy to understand what they contain! A record is the ...
... would want to record the STUDENT_ID so we would create a field with this name and into it would put the Student_ID for each student. These pieces of data are called 'attributes' and they are stored in the fields. We name the fields so that it is easy to understand what they contain! A record is the ...
Business Intelligence Analyst Business
... Optimizes the application environment in order to efficiently access enterprise data. This will also include the movement of data, server backup, and server cleanup. This may require the ability to write and modify application / script code using Microsoft C# of similar. Maintaining the integrity an ...
... Optimizes the application environment in order to efficiently access enterprise data. This will also include the movement of data, server backup, and server cleanup. This may require the ability to write and modify application / script code using Microsoft C# of similar. Maintaining the integrity an ...
Database Refresh - Empty Table and Re-Import Data
... Database Refresh - Empty Table and Re-Import Data Release 6.4 introduces several additional processing options for mirroring a Datafile Database to an SQL table when the SQL Driver has been purchased. Against each Datafile Database you can set flag options as to whether a database is to be mirrored ...
... Database Refresh - Empty Table and Re-Import Data Release 6.4 introduces several additional processing options for mirroring a Datafile Database to an SQL table when the SQL Driver has been purchased. Against each Datafile Database you can set flag options as to whether a database is to be mirrored ...
Chapter 25: Distributed Databases
... where in the system it is issued – Naming Transparency – We can refer to data by the same name, from anywhere in the system, with no further specification. – Replication Transparency – Hides multiple copies of data from user – Fragmentation Transparency – Hide the fact that data is fragmented (ie, d ...
... where in the system it is issued – Naming Transparency – We can refer to data by the same name, from anywhere in the system, with no further specification. – Replication Transparency – Hides multiple copies of data from user – Fragmentation Transparency – Hide the fact that data is fragmented (ie, d ...
2. day - data base processing
... Examples of Entity Integrity • Data Type Integrity: very common and most basic. Checks only for “data type” compatibility with DB Schema, such as: numeric, character, logical, date format, etc. • Commonly referred to in GIS manuals as: – Range and List domains • Ranges - acceptable Numeric ranges f ...
... Examples of Entity Integrity • Data Type Integrity: very common and most basic. Checks only for “data type” compatibility with DB Schema, such as: numeric, character, logical, date format, etc. • Commonly referred to in GIS manuals as: – Range and List domains • Ranges - acceptable Numeric ranges f ...
Exam 1 key
... 1. Match the best of the three schema levels (E=external, P=physical and C=conceptual) in a database system architecture to each of the characteristics. [10 pts] _C__-- An Entity-Relationship model helps visualize this schema level. _P__-- The layout of the data within the storage file system is def ...
... 1. Match the best of the three schema levels (E=external, P=physical and C=conceptual) in a database system architecture to each of the characteristics. [10 pts] _C__-- An Entity-Relationship model helps visualize this schema level. _P__-- The layout of the data within the storage file system is def ...
Document
... sales in the last quarter and how do they compare with the same quarter last year As above, for each product category and each customer category Statistical analysis packages (e.g., : S++) can be interfaced with databases ...
... sales in the last quarter and how do they compare with the same quarter last year As above, for each product category and each customer category Statistical analysis packages (e.g., : S++) can be interfaced with databases ...
Antelope - Boulder Real Time Technologies
... instrument response files) • Can operate in either interactive or batch mode. • Can run from a master configuration file • Based on well-documented ASCII files • User-configurable single-stage response files • set of parameter files that describe standard dataloggers, pre-amps and sensors ...
... instrument response files) • Can operate in either interactive or batch mode. • Can run from a master configuration file • Based on well-documented ASCII files • User-configurable single-stage response files • set of parameter files that describe standard dataloggers, pre-amps and sensors ...
JSP-database
... Eventually, you print the results on a JSP page
...
... Eventually, you print the results on a JSP page
