2007/11/27, SHARMILA JOTHIRAJAH <sharmi_jo@xxxxxxxxx>: > 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-DECIMALhttp://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
