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SM50 screen intrepretation

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Hi Team,

 

I have a question.

 

Database                         Number              Time (usec)         Recs.

Direct Read                       157              26,180                  18
Sequential Read                 1,037            178046                   167
Insert                              0                   0                   0
Update                            299           2,391,899                 299
Delete                         29,775           125613597             297,750
Sources                             0  (Bytes)
RSQL                           84,952  (Bytes)
Commit                                          270367963
DB Procedure Calls                  0                   0

 

Roles / Memory                   Number              Time (usec)

Roll In                             0                   0
Roll Out                            0                   0
Roll                                0  (Bytes)
Page                                0  (Bytes)
Memory (Total)                            100,565,856  (Bytes)
Memory(Total Private)                               0  (Bytes)
Memory (used)                              92,175,776  (Bytes)
Memory (Max. Transaction)                 100,565,856  (Bytes)
Memory (Max. Dialog Step)                 100,565,856  (Bytes)

 

 

In this what does recs mean?

Sequential read would mean reading data from the database right ?

Direct read would mean reading from the buffer right?

Can someone please clarify these questions.

 

Thanks,


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