MACH_SNAPSHOT 
Logical Entity Name  Machine Snapshot 
Default Table Name  MACH_SNAPSHOT 
Oracle Temporary Table  NO 
Physical Only  NO 
Do Not Generate  False 
Owner   
Definition  
Machine Snapshot: Defines a point in time view of the accelerator operation from an Application Physics standpoint.  An AP user may decide they want to save the state of the machine (i.e. save the present PV values).
 
Note 
 
PreSQL   
DDL Code  CREATE TABLE MACH_SNAPSHOT(
     SNAPSHOT_ID          NUMBER(8, 0)       NOT NULL,
     SNAPSHOT_DTE         DATE               DEFAULT sysdate NOT NULL,
     SNAPSHOT_SCORE       NUMBER(1, 0)       DEFAULT 0,
     SNAPSHOT_TYPE_NM     VARCHAR2(120),
     CMNT                 VARCHAR2(2000),
     CONSTRAINT SYS_C008827 CHECK (snapshot_score < 6),
     CONSTRAINT MACH_SNAPSHOT_PK PRIMARY KEY (SNAPSHOT_ID)
     USING INDEX
         PCTFREE 0
         TABLESPACE EPICS_INDEX_TS
         LOGGING
         STORAGE(INITIAL 64K
                 NEXT 64K
                 MINEXTENTS 1
                 MAXEXTENTS UNLIMITED
                 PCTINCREASE 0
                 ),
     CONSTRAINT MACH_SNAPSHOT_TYPE_FK FOREIGN KEY (SNAPSHOT_TYPE_NM)
     REFERENCES EPICS.MACH_SNAPSHOT_TYPE(SNAPSHOT_TYPE_NM)
)
PCTFREE 0
TABLESPACE EPICS_TS
LOGGING
NOPARALLEL
STORAGE(INITIAL 64K
         NEXT 64K
         MINEXTENTS 1
         MAXEXTENTS UNLIMITED
         PCTINCREASE 0
         )
NOCACHE
NOCOMPRESS
;
 
PostSQL   

MACH_SNAPSHOT Columns 
ColumnName  Domain  Datatype  NULL  Definition 
SNAPSHOT_ID(PK)    NUMBER(8, 0)  NO  
Snapshot Identifier:  A unique numeric value generated from an Oracle sequence object to identify the snapshot.
 
SNAPSHOT_DTE  Date  DATE  NO  
Date: Date and time to seconds.
 
SNAPSHOT_SCORE    NUMBER(1, 0)  YES  
Snapshot Score:  A scale from 0 - 5 that indicates the quality of the snapshot data.
 
SNAPSHOT_TYPE_NM(FK)  Name  VARCHAR2(120)  YES  
Name: A long description name usually accompanied by an abbreviated code.
 
CMNT  Comment  VARCHAR2(2000)  YES  
Comment:  General comments.
 

MACH_SNAPSHOT Primary and Unique Keys 
Key Name  Key Type  Keys 
MACH_SNAPSHOT_PK  PrimaryKey  SNAPSHOT_ID 

MACH_SNAPSHOT Foreign Keys 
Parent Relationships: 
Table Name  Type  Cardinality  Constraint Name  VerbPhrase  InversePhrase  Foreign Keys  Is Supertype  Deferrable  Initially Deferred 
MACH_SNAPSHOT_TYPE  Non-Identifying  Zero or One to Zero or More  MACH_SNAPSHOT_TYPE_FK      SNAPSHOT_TYPE_NM  NO  NO  NO 
Child Relationships: 
Table Name  Type  Cardinality  Constraint Name  VerbPhrase  InversePhrase  Foreign Keys  Is Subtype  Deferrable  Initially Deferred 
MACH_SNAPSHOT_SGNL_PERM_RET  Identifying  One To Zero or More  FK_MACH_SNAPSHOT_SGNL_PR_MACH        NO  NO  NO 
MACH_SNAPSHOT_SGNL  Identifying  One To Zero or More  MACH_SNAPSHOT_SGNL_MACH_FK        NO  NO  NO 

MACH_SNAPSHOT Check Constraints 
Check Constraint Name  CheckConstraint 

MACH_SNAPSHOT Storage 
STORAGE OPTION  STORAGE VALUE 
TABLESPACE  EPICS_TS 
PctFree  0 
PCTUSED    
MinExtents  1 
MaxExtents  2147483645 
Initial  64 
Next  64 
PctIncrease  0 
InitTrans   
MaxTrans   
Organization  Heap 
Cache  NO 
Logging   
Parallel  NO 
Parallel Degrees   
Parallel Instances   
FREELISTS   
FREELIST GROUPS   
Buffer Pool   
Table Compression  NO 
Row Movement  Disabled 

MACH_SNAPSHOT Partitions 
PARTITION PROPERTY  PARTITION PROPERTY VALUE 

MACH_SNAPSHOT Growth Metrics 
TABLE METRIC  TABLE METRIC VALUE 
Current Row Count  0 
Growth  Static 
Growth Type  N/A 
Growth Period  N/A 
Maximum Rows  0 
Average Row Size  0 

MACH_SNAPSHOT Object Permissions 

User/Role Name  Grantee Type  Permission Type  Action Type  Is Action Extended  Is System 
MACH_SNAPSHOT Security Types 
Name  Current Value 

MACH_SNAPSHOT Bound Attachments 
Name  Current Value 

MACH_SNAPSHOT Where Used - Model Usage 
Mapped Object  Is User Defined?  Denormalization Mappings  Description  Bound Attachments 
Logical
PVLOG.Machine Snapshot 		 NO       
ALARM_MYSQL (MySQL)
Does Not Exist 		 NO       
ALARM_ORACLE (Oracle)
Does Not Exist 		 NO       
BICS (Oracle)
Does Not Exist 		 NO       
BLM (Oracle)
Does Not Exist 		 NO       
BYPASS_REQ (Oracle)
Does Not Exist 		 NO       
CHAN_ARCH (Oracle)
Does Not Exist 		 NO       
CNMS_PRPSL (Oracle)
Does Not Exist 		 NO       
DIAG (Oracle)
MACH_SNAPSHOT 		 NO       
DIAG_MPS (Oracle)
Does Not Exist 		 NO       
ENGA (Oracle)
Does Not Exist 		 NO       
EPICS (Oracle)
EPICS.MACH_SNAPSHOT 		 NO       
EQUIP (Oracle)
Does Not Exist 		 NO       
EXPRESS (Oracle)
Does Not Exist 		 NO       
ICS_SFTW_APPL (Oracle)
Does Not Exist 		 NO       
INSTR (Oracle)
Does Not Exist 		 NO       
Instrument Logbook (Oracle)
Does Not Exist 		 NO       
INVT (Oracle)
Does Not Exist 		 NO       
IONSRC (Oracle)
Does Not Exist 		 NO       
IONSRC1 (Oracle)
Does Not Exist 		 NO       
IPTSv5 (Oracle)
Does Not Exist 		 NO       
IRMISBase (Oracle)
Does Not Exist 		 NO       
Logbook (Oracle)
Does Not Exist 		 NO       
Magnet (Oracle)
Does Not Exist 		 NO       
MPS (Oracle)
Does Not Exist 		 NO       
NS_OPER (Oracle)
Does Not Exist 		 NO       
OPER (Oracle)
Does Not Exist 		 NO       
PART (Oracle)
Does Not Exist 		 NO       
PRINT (Oracle)
Does Not Exist 		 NO       
PROC (Oracle)
Does Not Exist 		 NO       
PRPSL (Oracle)
Does Not Exist 		 NO       
PUBL (Oracle)
Does Not Exist 		 NO       
PUBL_V1 (Oracle)
Does Not Exist 		 NO       
PV_LOGGER (Oracle)
MACH_SNAPSHOT 		 NO       
SCORE (Oracle)
Does Not Exist 		 NO       
SICAT (Oracle)
Does Not Exist 		 NO       
SMPL (Oracle)
Does Not Exist 		 NO       
SMPLACT (Oracle)
Does Not Exist 		 NO       
SURVEY (Oracle)
Does Not Exist 		 NO       
Watchman (Oracle)
Does Not Exist 		 NO       
XAL_OPTICS (Oracle)
Does Not Exist 		 NO       
XF_ADMIN (Oracle)
Does Not Exist 		 NO       

MACH_SNAPSHOT Where Used - Submodel Usage 
Model  Submodel Usage 
Logical  Main Model 
Logical  Diagnostics 
Logical  EPICS 
Logical  PV Logger 
DIAG (Oracle)  Main Model 
EPICS (Oracle)  Main Model 
PV_LOGGER (Oracle)  Main Model 

MACH_SNAPSHOT Data Movement Rules 
Name  Type  Rule Text/Value