What is time-series database?
A time-series database (TSDB) is a computer system that is designed to store and retrieve data records that are part of a “time series,” which is a set of data points that are associated with timestamps. The timestamps provide a critical context for each of the data points in how they are related to others.
What are the design rules in a database?
11 Important Database Designing Rules
- Rule 1:- What is the Nature of the application(OLTP or OLAP)?
- Rule 2:- Break your data in to logical pieces, make life simpler.
- Rule 3:- Do not get overdosed with rule 2.
- Rule 4:- Treat duplicate non-uniform data as your biggest enemy.
How many steps are in a database design?
These two stages are database planning stage and the database development stage. The first stage of the database design process is the database planning stage . The planning stage involve activities such as understanding the data requirements and creating data models.
What is database structure?
Database structure: the building blocks of a database Within a database, related data are grouped into tables, each of which consists of rows (also called tuples) and columns, like a spreadsheet.
What is database planning?
Effective database planning means that your software is capable of managing and consolidating all the data generated and relied upon by your business. A good database plan will allow your organisation to develop a clear structure for the way in which data is stored and managed by every person or application using it.
When should I use a time series database?
Time series databases enable faster data ingest and queries and stronger data compression. As a result, they are ideal for processing massive volumes of real-time data that can be used to improve the safety of self-driving cars.
How can database design be improved?
- Use Small Values. Improve performance by using the smallest values for data that application requirements will permit.
- Normalize Data.
- Use Views.
- Consider Using Stored Procedures for Data Access.
- Use Indices.
- Use Effective Names.
- Use Scripts to Update the Schema.
What are the stages of database life cycle?
This page discusses the stages of the database life cycle and breaks them into three groups which are 1) Requirements analysis, 2) Logical design, and 3) Physical Design. DBLC Design Stages(Life Cycle Database Phases) RelationalDBDesign SiteMap Database Analysis Database Design Extended DB Features Oracle SQL Extensions
What makes a good database design?
A good database design is, therefore, one that: Divides your information into subject-based tables to reduce redundant data. Provides Access with the information it requires to join the information in the tables together as needed. Helps support and ensure the accuracy and integrity of your information.
What are the principles of database design?
What is good database design? Certain principles guide the database design process. The first principle is that duplicate information (also called redundant data) is bad, because it wastes space and increases the likelihood of errors and inconsistencies. The second principle is that the correctness and completeness of information is important.
What are the steps in the database design process?
The design process consists of the following steps: This helps prepare you for the remaining steps. Gather all of the types of information you might want to record in the database, such as product name and order number. Divide your information items into major entities or subjects, such as Products or Orders.