Bugs fixed in the 10.2.0.5 Patch Set

As you may already know, the terminal 10gR2 patch set (10.2.0.5) has been released recently on the Linux x86 & x86-64. Today I’ve installed 32-bit version on a test machine and was going to have a look on the Doc ID 1088172.1 for list of bugs fixed in this patch set, but there were almost [...]

ORA-01719 is partially relaxed

You most likely have seen this error before: ORA-01719: outer join operator (+) not allowed in operand of OR or IN Cause: An outer join appears in an or clause. Action: If A and B are predicates, to get the effect of (A(+) or B), try (select where (A(+) and not B)) union all (select [...]

Cardinality of table collection expression

Table collection expression has been in Oracle for more than 10 years. It is handy for passing an array to Oracle. Quite often, though, there is was a well-known problem with a default cardinality associated with table collection expressions used in the SQL.

Control file sequential read

There was a thread recently on the OTN forum (it’s currently down, that’s why I’m writing in the blog; here is a stale version of the page from Google cache; at the time of writing this version had 1 comment) about reasons for control file sequential read accounted to particular query.