Thursday, 24 October 2019

DATA

specific plan

v$SQL_OPTIMIZER_ENV joined with
v$SQL or    -------------------> jiined with hash value and child address
v$sqlarea hash value and address

CURSOR_SHARING ---> which controls the conversion of literal values of SQL statements to bind variables
DB_FILE_MULTIBLOCK_READ_COUNT ----> specifies the number of blocks read in the single IO during a FTS or Index fast full scan autotuned at instance startup if not explicitely configured.

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