what is the difference between sql& oracle?
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How to add a new column to an existing table with a default value?
What is Oracle table?
WHAT IS THE DEFINITION OF DEFAULT CUSTOMER IN AR?
Can a field be used in a report without it appearing in any data group ?
Please explain oracle left join with an example?
Explain what are synonyms used for?
nw i'm doing MBA system and planning to do oracle,database management.tell me that whether it is useful r not?.refer any course for my carrier pls
Given two table employee and department EMP ---------------- empid deptid(fk) Dept --------------------- deptid(pk) deptname que-Write a query to find count of employee in each department. Expected Output- deptid countofEmployee --------------------------- 10 57 20 20 30 15
> CREATE OR REPLACE FUNCTION FACTORIAL_1(factstr varchar2 ) 2 RETURN NUMBER AS 3 new_str VARCHAR2(4000) := factstr||'*' ; 4 fact number := 1 ; 5 BEGIN 6 7 WHILE new_str IS NOT NULL 8 LOOP 9 fact := fact * TO_NUMBER(SUBSTR(new_str,1,INSTR(new_str,'*')-1)); 10 new_str := substr( new_str,INSTR(new_str,'*')+1); 11 END LOOP; 12 13 RETURN fact; 14 15 END; explanation Above program?
Please explain oracle data types with examples?
What do you mean by group by clause?
How many types of database triggers exist?