MLchartDataset catalogue

Primary Key

Term · Environment · MLC-T-ENV-022099

In relational database design, a primary key is a column or set of columns whose contents uniquely identify each row in a table. No two distinct rows in the table can have the same value (or combination of values) for the primary key.

Table 1. Record
IdentifierMLC-T-ENV-022099
FieldEnvironment
SubjectAir
ReferencesControl Strategy Tool (CoST) Glossary
Record as JSON 
{
  "id": "MLC-T-ENV-022099",
  "term": "Primary Key",
  "field": "Environment",
  "definition": "In relational database design, a primary key is a column or set of columns whose contents uniquely identify each row in a table. No two distinct rows in the table can have the same value (or combination of values) for the primary key.",
  "subject": "Air",
  "references": [
    "Control Strategy Tool (CoST) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/primary-key/"
}

Record 22,099 of 30,736 in Environment terminology (MLC-0121). Request the full dataset.