What is the specific need of Plan and..where are the tables in DB2 are physical

What is the specific need of Plan and..where are the tables
in DB2 are physically saved

Question Posted / srprev

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What is the specific need of Plan and..where are the tables in DB2 are physically saved..

Answer / srinivas chennareddy

Though the tables are stored logically in tables space and
physically all tables/table Spaces are stored in VSAM
files....so the ultimate pgysical storage of any database
object is a VSAM file.

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What is the specific need of Plan and..where are the tables in DB2 are physically saved..

Answer / amit

plan is nothing but executable form of sql statements and
formed by one or more dbrms, it is used for run the program,
without plan it will not run.

physically tables are stored in table space of data base.
but the information of table is tabulated in system
table 'sysibm.systable'

correct me if i am wrong

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What is the specific need of Plan and..where are the tables in DB2 are physically saved..

Answer / srinvias yadav

PLAN IS AN EXECUTABLE ONE.
I.E,
WHEN THE CONCEPT OF MAIN PROGRAM AND SUB PROGRAM IS THERE
THEN WE NEED PLAN.
IF THERE IS A SINGLE PROGRAM THEN PACKAGE IS EXECUTABLE ONE.
ALL THE DB2 FILES ARE SAVED IN TABLESPACES.

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8 No

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