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Primary sequence databases contain raw sequence data derived from the sequencing of genes etc. whereas secondary sequence databases contain information that is derived from primary sequence databases. For example this could be active site residues of protein families that were found by carrying out multiple sequence alignments on the raw primary sequence database data for a set of related proteins. Primary sequence databases can be nucleic databases (such as EMBL, GenBank or DDBJ) or protein databases (such as Swiss-PROT or trEMBL). An example of a secondary sequence database is PROSITE.
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∙ 9y ago
Primary sequence databases store experimentally determined sequences, while secondary databases compile and organize information from primary databases along with additional annotations, classifications, and analyses. Primary databases provide raw sequence data, while secondary databases offer curated and annotated information to facilitate research and analysis.
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What is the difference between primary key and secondary key in database?
A primary key is a unique identifier for each record in a database table and is used to ensure data integrity and enforce entity integrity. A secondary key, also known as a candidate key, is an alternate unique key that can be used to identify records, but is not designated as the primary key.
What is the difference between a candidate key an a secondary key?
A candidate key is a unique key that can uniquely identify each record in a database table, whereas a secondary key is a non-unique key used for data retrieval and indexing purposes. Candidate keys can be chosen as the primary key for the table, while secondary keys provide alternate ways to access and organize the data.
What is the difference between a Primary Key and a Secondary Key?
A Primary Key is a unique identifier for each record in a database table and is used to enforce entity integrity. A Secondary Key is a non-unique index that is used for querying and organizing data efficiently but does not have the constraint of uniqueness.
Is there a difference between a database and a data capture form?
Yes, there is a difference. A database is a structured collection of data organized for easy access and manipulation, while a data capture form is a tool used to input data into a database. The form collects information that is then stored in the database for further processing and analysis.
What is the difference between record and database?
A record is a single row of data within a database that contains information about a specific entity. A database is a collection of records organized in a structured format that allows for storage, retrieval, and manipulation of data. In other words, a database is like a container that holds records.
What is A Quadratic Sequence?
A Quadratic Sequence is when the difference between two terms changes each step. However the secondary difference (the difference between each primary difference.) is always the same. E.G. 6 9 14 21 +3 +5 +7 primary difference.(changes) +2 +2 secondary difference(stays the same) this is not a linear sequence in which the primary difference stays the same. another way to visualise this is on a graph. if you plotted a quadratic sequence onto a graph there would be a curve. a linear sequence would be a straight line. hope this helps. Thanks To harisdagr8 for his help.
What is Difference between real time database and simple database?
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What is the difference between database and database administrator?
Database is the data stored in the server and Database administrator is the person who designs the database.
Identify the difference between primary sector and secondary?
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What is the difference between a database management system and a database?
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The difference between primary and secondary reserves?
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What is the difference between an infinite sequence and a finite sequence?
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What is the Difference between manual database and electronic database?
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What is a common difference?
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