## NMR-STAR dictionary: database table: Method

Detailed description of the fields

### _Method.Sf_category (SfCategory)

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NMR-STAR tag name | _Method.Sf_category
Description | NMR-STAR name: _Method.Sf_category Category assigned to the information in the saveframe.
Database field name | SfCategory
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? | yes
Prompt | Sf category
Examples | ?
Help text |

### _Method.Sf_framecode (SfFramecode)

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NMR-STAR tag name | _Method.Sf_framecode
Description | NMR-STAR name: _Method.Sf_framecode Descriptive label used to uniquely identify this method.
Database field name | SfFramecode
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? | yes
Prompt | Method label
Examples | ?
Help text |

### _Method.Entry_ID (EntryID)

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NMR-STAR tag name | _Method.Entry_ID
Description | NMR-STAR name: _Method.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 | 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 |

### _Method.Sf_ID (SfID)

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NMR-STAR tag name | _Method.Sf_ID
Description | NMR-STAR name: _Method.Sf_ID An integer value that is the unique identifier for the saveframe that applies across the archive. This value is not stable and may be reassigned each time the data are loaded into a database system.
Database field name | SfID
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 | 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 |

### _Method.ID (MethodID)

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NMR-STAR tag name | _Method.ID
Description | NMR-STAR name: _Method.ID A value that uniquely identifies the method describe from other methods given in the entry.
Database field name | MethodID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Method ID
Examples | ?
Help text |

### _Method.Derivation_type (DerivationType)

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NMR-STAR tag name | _Method.Derivation_type
Description | NMR-STAR name: _Method.Derivation_type The type of derivation used in the reported method.
Database field name | DerivationType
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? | yes
Prompt | Derivation type
Examples | ?
Help text |

### _Method.Details (Details)

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NMR-STAR tag name | _Method.Details
Description | NMR-STAR name: _Method.Details Text description providing additional information about the reported method.
Database field name | Details
SQL Database type | TEXT
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 |

### _Method.Computer_ID (ComputerID)

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NMR-STAR tag name | _Method.Computer_ID
Description | NMR-STAR name: _Method.Computer_ID Pointer to '_Computer.ID'
Database field name | ComputerID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Computer, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Computer ID
Examples | ?
Help text |

### _Method.Computer_label (ComputerLabel)

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NMR-STAR tag name | _Method.Computer_label
Description | NMR-STAR name: _Method.Computer_label Pointer to a saveframe of the category computer.
Database field name | ComputerLabel
SQL Database type | VARCHAR(127)
Part of primary Key | no
Foreign Key on table, column | Computer, Sf_framecode
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Computer label
Examples | ?
Help text |