Tables [dbo].[Frequency_Units_DE]
Dictionary of frequencies used in prescribing
KeyNameData TypeMax Length (Bytes)NullabilityIdentityDefaultDescription
Primary Key PK_Frequency_Units_DE_ID: IDCluster Key XAK1Frequency_Units_DE: EntryName\IsCurrentFLAG\IDIndexes XAK2Frequency_Units_DE, XAK3Frequency_Units_DE, TWstat_Frequency_Units_DE_DefinitionSetID_EntryName_IsCurrentFLAG_ID, TWstat_Frequency_Units_DE_TimesPerDay_EntryName_IsCurrentFLAG_ID(4)ID[dbo].[dict_id]5NOT NULL1 - 1Key to the Frequency_Units_DE table
EnterpriseEntryID[dbo].[uniqueid]9NOT NULLMaster (enterprise) dictionary surrogate key.  Points to Dictionary_Entry.EnterpriseEntryID
Indexes TWstat_Frequency_Units_DE_DefinitionSetID_EntryName_IsCurrentFLAG_IDDefinitionSetID[dbo].[dict_id]5NOT NULLPoints to Dict_Definition_Set.DefinitionSetID but is typically zero.
Entry[dbo].[dict_id]5NOT NULLCalculated during insert as rowcount + 1 from Dict_Definition_Set for this dictionary and set
Indexes XAK2Frequency_Units_DEEntryCode[dbo].[code]10NOT NULLUnique alphanumeric code. Brief but cryptic.
Cluster Key XAK1Frequency_Units_DE: EntryName\IsCurrentFLAG\IDIndexes TWstat_Frequency_Units_DE_DefinitionSetID_EntryName_IsCurrentFLAG_ID, TWstat_Frequency_Units_DE_TimesPerDay_EntryName_IsCurrentFLAG_ID(2)EntryName[dbo].[name]255NOT NULLUnique alphanumeric "friendly" display name
Indexes XAK3Frequency_Units_DEEntryMnemonic[dbo].[code]10NOT NULLTypically the same as the Code value, but can be blank.  If present, it must be unique.
Check Constraints CK_Frequency_Units_DE_IsInactiveFLAG_Yes_Or_No : ([IsInactiveFLAG]='N' OR [IsInactiveFLAG]='Y')IsInactiveFLAG[dbo].[BOOL]1NOT NULLY=row is not active; N=row is active.  (Rows are inactivated rather than deleted for history)
Check Constraints CK_Frequency_Units_DE_IsEnforcedFLAG_Yes_Or_No : ([IsEnforcedFLAG]='N' OR [IsEnforcedFLAG]='Y')IsEnforcedFLAG[dbo].[BOOL]1NOT NULLY=row is readonly;  N=row is modifiable
Cluster Key XAK1Frequency_Units_DE: EntryName\IsCurrentFLAG\IDIndexes XAK2Frequency_Units_DE, XAK3Frequency_Units_DE, TWstat_Frequency_Units_DE_DefinitionSetID_EntryName_IsCurrentFLAG_ID, TWstat_Frequency_Units_DE_TimesPerDay_EntryName_IsCurrentFLAG_ID(4)Check Constraints CK_Frequency_Units_DE_IsCurrentFLAG_Yes_Or_No : ([IsCurrentFLAG]='N' OR [IsCurrentFLAG]='Y')IsCurrentFLAG[dbo].[BOOL]1NOT NULLUsually 'Y' but occasionally used to subordinate rows.  Not exposed to the end user.
EffectiveDTdatetime8NULL allowedTime of last modification  (not "when this row goes into effect")
Indexes TWstat_Frequency_Units_DE_TimesPerDay_EntryName_IsCurrentFLAG_IDTimesPerDaynumeric(8,5)5NULL allowed(0)Number of times per day that this frequency equates to