> 1.How does postgres version 8.3 betat 2 handle varchar and numeric data > types in terms of storage > I understand for varchar it has 1byte overhead (instead of 4) if length<128 > How does it handle for numeric? The manual says > "The actual storage requirement is two bytes for each group of four decimal > digits, plus five to eight bytes overhead." >which manual? >( not these two: ) >http://www.postgresql.org/docs/8.1/static/datatype.html#DATATYPE-NUMERIC-DECIMAL >http://www.postgresql.org/docs/8.2/static/datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL
http://www.postgresql.org/docs/8.3/static/datatype-numeric.html > 2. Does postgres always inserts a complete record into a page unlike oracle > whose record can span multiple pages? Does this waste space too? >records larger than one page are TOASTed >http://www.postgresql.org/docs/current/static/storage-page-layout.html Thanks sharmila ____________________________________________________________________________________ Be a better sports nut! Let your teams follow you with Yahoo Mobile. Try it now. http://mobile.yahoo.com/sports;_ylt=At9_qDKvtAbMuh1G1SQtBI7ntAcJ
