资讯

Developers often dismiss dynamic SQL used in PL/SQL programs for two reasons. One reason is that it's riskier because the SQL statements aren't parsed until runtime, so it's more difficult to catch ...
For static SQL, the statement text is available in the system catalog, and the access path information is available in the associated plan tables after binding with the EXPLAIN (YES). There is no PLAN ...
If you want to take a copy of one table and make a copy of it in another schema (under another username), you can use the SQL*Plus COPY command, or a simple <code>"create table foo as select * from ...