Nested table to pass as a parameter to stored procedure:
WITH clause was introduced in Oracle 9i Release 2. Inside WITH clause we can define multiple query block and provide a name to each query block …
Regular expressions help us to search a specific pattern in a string. The pattern can be Numeric, Char or Alpha-numeric.
Oracle allows following types of characters …
Duplicate records indicate that the current record is exactly copy of another record.
Creating setup for duplicate records:
CREATE TABLE EMP_DUP AS SELECT EMPLOYEE_ID, FIRST_NAME, LAST_NAME, JOB_ID, SALARY, DEPARTMENT_ID FROM EMPLOYEES…
We know that bulk operation help us to reduce the context switch between SQL engine and PLSQL engine. Bulk operation helps us to fetch all the rows from SQL …