2007/11/27, SHARMILA JOTHIRAJAH <[EMAIL PROTECTED]>: > 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
> 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 -- Filip Rembiałkowski ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
