HEPSYSMAN_InfluxDB_Grafana_v1
... Written in Go - no external depedencies SQL-like query language - InfluxQL Distributed (or not) – can be run as a single node – can be run as a cluster for redundancy & performance • will come back to this later ...
... Written in Go - no external depedencies SQL-like query language - InfluxQL Distributed (or not) – can be run as a single node – can be run as a cluster for redundancy & performance • will come back to this later ...
OORM
... Object-Relational Mappers: ex: Java Persistence API, Hibernate, LINQ to SQL; see a list of more examples: ...
... Object-Relational Mappers: ex: Java Persistence API, Hibernate, LINQ to SQL; see a list of more examples: ...
Data modeling
... Hints on data modeling The model will expand and contract Invent identifiers where necessary Identifiers should have only one purpose – identification A data model does not imply ordering Create an attribute if ordering of instances is required An attribute’s meaning must be consistent ...
... Hints on data modeling The model will expand and contract Invent identifiers where necessary Identifiers should have only one purpose – identification A data model does not imply ordering Create an attribute if ordering of instances is required An attribute’s meaning must be consistent ...
Normalization
... Database normalization is the process of removing redundant data from your tables in to improve storage efficiency, data integrity, and scalability. In the relational model, methods exist for quantifying how efficient a database is. These classifications are called normal forms (or NF), and there ar ...
... Database normalization is the process of removing redundant data from your tables in to improve storage efficiency, data integrity, and scalability. In the relational model, methods exist for quantifying how efficient a database is. These classifications are called normal forms (or NF), and there ar ...
ipt_hsc_summary_notes_organiser_databases
... data/information and information technology for the given examples of database information systems describe the relationships between participants, data/information and information technology for the given examples of database information systems ...
... data/information and information technology for the given examples of database information systems describe the relationships between participants, data/information and information technology for the given examples of database information systems ...
221_OLAPNew_presentaton
... Multidimensional OLAP Fact Table: Central relation or collection of data arranged in a multidimensional space or cube Dimensions: car, dealer and date Point represents sale of automobile Dimensions represent properties of sale. ...
... Multidimensional OLAP Fact Table: Central relation or collection of data arranged in a multidimensional space or cube Dimensions: car, dealer and date Point represents sale of automobile Dimensions represent properties of sale. ...
Data Modeling and ER Diagrams
... Can reverse engineer an existing database Can forward engineer the diagram into SQL script / existing / new ...
... Can reverse engineer an existing database Can forward engineer the diagram into SQL script / existing / new ...
Database Modelling with ERwin
... • “Always” use Integer and Identity(1,1) for Primary Keys. Use UNIQUE constraint for other columns that needs to be unique, e.g. “RoomNumber” • Specify Required Columns (NOT NULL) – i.e., which columns that need to have data or not ...
... • “Always” use Integer and Identity(1,1) for Primary Keys. Use UNIQUE constraint for other columns that needs to be unique, e.g. “RoomNumber” • Specify Required Columns (NOT NULL) – i.e., which columns that need to have data or not ...
data migration from rdbms to hadoop
... Time and resource may be constraints for the current migrating ...
... Time and resource may be constraints for the current migrating ...
Database_Session One_P1
... In the case of the Congestion Charge database, if someone hasn't paid the congestion charge, a fine will be issued. The database would play an integral part in automating the process. ...
... In the case of the Congestion Charge database, if someone hasn't paid the congestion charge, a fine will be issued. The database would play an integral part in automating the process. ...
Data Modelling and E
... are specified in the functional model), but rather just the restrictions that apply when any operation is performed on the data structures. Entity-Relationship (E-R) Models An E-R model is a particular type of data model suited to designing relational databases. The main component of the model is th ...
... are specified in the functional model), but rather just the restrictions that apply when any operation is performed on the data structures. Entity-Relationship (E-R) Models An E-R model is a particular type of data model suited to designing relational databases. The main component of the model is th ...
Document
... in the database. A stored procedure can access and modify data present in many tables. Also a stored procedure is not associated with any particular database object. But triggers are event-driven special procedures which are attached to a specific database object say a table. Stored procedures are n ...
... in the database. A stored procedure can access and modify data present in many tables. Also a stored procedure is not associated with any particular database object. But triggers are event-driven special procedures which are attached to a specific database object say a table. Stored procedures are n ...
Document
... protein sequence, pathways, etc) New databases for “new” kinds of data • Every database has its own peculiarities ...
... protein sequence, pathways, etc) New databases for “new” kinds of data • Every database has its own peculiarities ...
More slides on Databases
... Database: integrated collection of data Database Management System (DBMS): environment that provides mechanisms for storage and access of data Relational Database Model: views a database as a collection of relations or tables where each table stores information on an entity ...
... Database: integrated collection of data Database Management System (DBMS): environment that provides mechanisms for storage and access of data Relational Database Model: views a database as a collection of relations or tables where each table stores information on an entity ...
CUSTOMER_CODE SMUDE DIVISION_CODE SMUDE
... development of a combined set of concepts for the use of application developers. The training of temporal database is designed by application developers and designers. There are numerous applications where time is an important factor in storing the information. For example: Insurance, Healthcare, Re ...
... development of a combined set of concepts for the use of application developers. The training of temporal database is designed by application developers and designers. There are numerous applications where time is an important factor in storing the information. For example: Insurance, Healthcare, Re ...
Chapter 14
... would be tonight, but I’m guessing as I write this that several students won’t be here). That will be worth 3 points. Next week we will go over the basics of Web Development using VS and C#, and then mock up our design in ASP.NET forms. These form designs would then be turned in and will be worth 3 ...
... would be tonight, but I’m guessing as I write this that several students won’t be here). That will be worth 3 points. Next week we will go over the basics of Web Development using VS and C#, and then mock up our design in ASP.NET forms. These form designs would then be turned in and will be worth 3 ...
Database Access Controls and Security Measures
... Not all data need to be given to all users Access control may be needed upto a granularity of element level from schema, subschema, attribute levels Users may infer other field values based on the access they get Database access control needs to take size into ...
... Not all data need to be given to all users Access control may be needed upto a granularity of element level from schema, subschema, attribute levels Users may infer other field values based on the access they get Database access control needs to take size into ...
The Relational Model
... commercial data-processing because it is simple to use and to maintain. A relational data model is based on a collection of tables. The user of the database system may query these tables, insert new tuples, and update (modify) tuples. There are several languages for expressing these operations. ...
... commercial data-processing because it is simple to use and to maintain. A relational data model is based on a collection of tables. The user of the database system may query these tables, insert new tuples, and update (modify) tuples. There are several languages for expressing these operations. ...
Open Source Databases and GIS
... widespread use Open source spatial databases (PostGIS) are new, but are already in use around the world Many GIS database problems can now realistically be addressed with open source ...
... widespread use Open source spatial databases (PostGIS) are new, but are already in use around the world Many GIS database problems can now realistically be addressed with open source ...
Databases for Robotics Applications
... A timestamp query degenerates into a spatial window query handled by the corresponding R-tree at the query timestamp. ...
... A timestamp query degenerates into a spatial window query handled by the corresponding R-tree at the query timestamp. ...
Document
... Planning the Database After fields have been selected and appropriately named, it is essential to analyze the field’s contents and design applicable rules or guidelines for data entry. Without guidelines or predetermined ranges for data entry, searching and sorting these fields will produce inconsi ...
... Planning the Database After fields have been selected and appropriately named, it is essential to analyze the field’s contents and design applicable rules or guidelines for data entry. Without guidelines or predetermined ranges for data entry, searching and sorting these fields will produce inconsi ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.