| byte size of an SQL Queries ? [message #8227] |
Tue, 05 August 2003 03:37 |
Gerald
Messages: 54
Registered: January 2001
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Member |
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Dears,
Again i got some question about basics.
Books say SQL orders are inside a cursor wich limit size is defined with INIT.ORA (ConTEXT_SIZE) parameter.
ok , but how mémory works ?
if i got a :"Select * from dba_tables;" ?
Should i Count each letters as a byte ?
So my SOL order is 25 bytes long to store in the memories ?
Then a DATABASE BLOCK witch is defined by 2 800 kBytes
will contains 2 867 200 characters ??
Can i Generalise to all the blocks of a database ? and for all the memories ?
Aka a 2 Go memorie will contains 2 000 * 1024 * 1024 characters ? and then will be considered as FULL ?physicly speaking (no more rooms left on thr hard drive ?
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