## NMR-STAR dictionary: database table: SpinSystemLink

Detailed description of the fields

### _Spin_system_link.From_spin_system_ID (FromSpinSystemID)

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NMR-STAR tag name | _Spin_system_link.From_spin_system_ID
Description | NMR-STAR name: _Spin_system_link.From_spin_system_ID Pointer to '_Spin_system.ID'
Database field name | FromSpinSystemID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Spin_system, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | From spin system ID
Examples | ?
Help text |

### _Spin_system_link.To_spin_system_ID (ToSpinSystemID)

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NMR-STAR tag name | _Spin_system_link.To_spin_system_ID
Description | NMR-STAR name: _Spin_system_link.To_spin_system_ID Pointer to '_Spin_system.ID'
Database field name | ToSpinSystemID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Spin_system, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | To spin system ID
Examples | ?
Help text |

### _Spin_system_link.Offset (SSOffset)

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NMR-STAR tag name | _Spin_system_link.Offset
Description | NMR-STAR name: _Spin_system_link.Offset ?
Database field name | SSOffset
SQL Database type | INTEGER
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 | Offset
Examples | ?
Help text |

### _Spin_system_link.Type (Type)

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NMR-STAR tag name | _Spin_system_link.Type
Description | NMR-STAR name: _Spin_system_link.Type ?
Database field name | Type
SQL Database type | VARCHAR(31)
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
Enumerations | [click for a list of enumerations] This is a closed enumeration. The list of values are the only ones allowed.
Prompt | Type
Examples | ?
Help text |

### _Spin_system_link.Selected (Selected)

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NMR-STAR tag name | _Spin_system_link.Selected
Description | NMR-STAR name: _Spin_system_link.Selected ?
Database field name | Selected
SQL Database type | VARCHAR(3)
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 | Selected
Examples | ?
Help text |

### _Spin_system_link.Sf_ID (SfID)

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NMR-STAR tag name | _Spin_system_link.Sf_ID
Description | NMR-STAR name: _Spin_system_link.Sf_ID Pointer to '_Resonance_linker_list.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Resonance_linker_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? | no
Prompt | Sf ID
Examples | ?
Help text |

### _Spin_system_link.Entry_ID (EntryID)

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NMR-STAR tag name | _Spin_system_link.Entry_ID
Description | NMR-STAR name: _Spin_system_link.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 | Resonance_linker_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 |

### _Spin_system_link.Resonance_linker_list_ID (ResonanceLinkerListID)

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NMR-STAR tag name | _Spin_system_link.Resonance_linker_list_ID
Description | NMR-STAR name: _Spin_system_link.Resonance_linker_list_ID Pointer to '_Resonance_linker_list.ID'
Database field name | ResonanceLinkerListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Resonance_linker_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Resonance linker list ID
Examples | ?
Help text |