Which command is used to give a user permission to change the data of another user's tabl Grant MODIFY on EMP to SMITH Grant ALTER on EMP to SMITH Grant UPDATE on EMP to SMITH Grant RESTRICT on EMP to SMITH Pointers to other data items are called: Scalar Large Object (LOB) Composite Reference None of the above To find the position of one string in another, use the function. TO_CHAR UPPER INSTR TO_NUMBER None of the above Match the item on the right that correctly identifies the statement on the left. Attribute indicator Remote access indicator Concatenation operator Host variable indicator Assignment operator