This subquery is removed in the refactored SQL, pt is referenced in the main query, and the where condition is rewritten as EMP.deptno = DEP.deptno. Notice that the original SQL includes an embedded SELECT statement. Queries are rewritten so that table joins and where clause expressions are used in place of subqueries. Remove Subqueries Using Oracle Join Syntax Using it should execute successfully on other database systems that support the ANSI syntax. SELECT empno, DECODE (deptno, 10, 'New York', 20, 'Dallas', 'Chicago')ĭECODE (deptno, 10, 'New York', 20, 'Dallas', 'Chicago') COLĬonverts from proprietary Oracle join syntax to ANSI and from ANSI join syntax to the proprietary Oracle syntax.ĪNSI join syntax is cross-platform compatible and compatible with queries. The bold aliases in the refactored SQL are added with "Add column aliases" and removed by "Remove column aliases."
If you are using Oracle 12c multitenant/pluggable databases: Read Oracle details regarding their 12c multitenant option.
Toad for Oracle 12.1 expands Oracle 12c support with the new Pluggable DBs tab on the Database Browser. In addition to the Oracle “ORA-0XXXX” error message, you will see a list of items checked with possible causes and next steps.
TOAD FOR ORACLE 12 CLAVE PC
If an error occurs during a connection, Toad now automatically examines your Windows PC environment, Oracle Home(s) and other variables to offer potential solutions.