## NMR-STAR dictionary: database table: Peak

Detailed description of the fields

### _Peak.ID (PeakID)

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NMR-STAR tag name | _Peak.ID
Description | NMR-STAR name: _Peak.ID Unique identifier for the spectral peak.
Database field name | PeakID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | ,
Saveframe ID | yes: This tag contains the identifier for this saveframe in the entry.
Row Index | yes: This tag contains the index of this row in the loop, which is used when the data is loaded into a database which has a relational model in which ordering doesn't matter
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Peak ID
Examples | ?
Help text |

### _Peak.Figure_of_merit (FigureOfMerit)

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NMR-STAR tag name | _Peak.Figure_of_merit
Description | NMR-STAR name: _Peak.Figure_of_merit A quantitative or qualitative value that provides a measure of certainty that the peak listed represents a real piece of data.
Database field name | FigureOfMerit
SQL Database type | FLOAT
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Figure of merit
Examples | ?
Help text |

### _Peak.Details (Details)

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NMR-STAR tag name | _Peak.Details
Description | NMR-STAR name: _Peak.Details Text providing additional information regarding the spectral peak.
Database field name | Details
SQL Database type | VARCHAR(127)
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Details
Examples | ?
Help text |

### _Peak.Sf_ID (SfID)

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NMR-STAR tag name | _Peak.Sf_ID
Description | NMR-STAR name: _Peak.Sf_ID Pointer to '_Spectral_peak_list.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Spectral_peak_list, Sf_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | yes This field's data is for internal use only and should be hidden in public versiond of the data.
Nulls allowed in database? | yes
Prompt | Sf ID
Examples | ?
Help text |

### _Peak.Entry_ID (EntryID)

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NMR-STAR tag name | _Peak.Entry_ID
Description | NMR-STAR name: _Peak.Entry_ID Pointer to '_Entry.ID'
Database field name | EntryID
SQL Database type | CHAR(12)
Part of primary Key | yes
Foreign Key on table, column | Spectral_peak_list, Entry_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Entry ID
Examples | ?
Help text |

### _Peak.Spectral_peak_list_ID (SpectralPeakListID)

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NMR-STAR tag name | _Peak.Spectral_peak_list_ID
Description | NMR-STAR name: _Peak.Spectral_peak_list_ID Pointer to '_Spectral_peak_list.ID'
Database field name | SpectralPeakListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Spectral_peak_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Spectral peak list ID
Examples | ?
Help text |