Explain the advantages and dis advantages of using ALTER TABLE with MOVE command versus CREATE TABLE . . AS SELECT command?
yesIn Package
Latest Answer : In reference cursor but we have option of giving the where clause in the body ,We cann't write cursor without select statement. ...
What will be the output of the following query? select replace(substr((dump(ename)),(instr((dump(ename)),' ',-1,1))),',',' ') "Value of ENAME" from emp;
value of ename---------------------- 83 77 73 84 72 65 76 76 69 78
INVENTORY table has 3 columns -- Id_Number Number (primary key)Description varchar2(30)Supplier_id numberYou want to create a query that for each session allows the user to input a value for DESCRIPTION
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