ALL

You use the ALL operator to compare a value with all of the values in a list. You must place an =, <>, <, >, <=, or >= operator before ALL. 


CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
                      ENAME VARCHAR2(10),
                      HIREDATE DATE);

INSERT INTO EMP VALUES (1, 'SMITH', TO_DATE('17-DEC-1980', 'DD-MON-YYYY'));
INSERT INTO EMP VALUES (2, 'ALLEN', TO_DATE('20-FEB-1981', 'DD-MON-YYYY'));
INSERT INTO EMP VALUES (3, 'WARD',  TO_DATE('22-FEB-1981', 'DD-MON-YYYY'));
INSERT INTO EMP VALUES (4, 'JONES', TO_DATE('2-APR-1981',  'DD-MON-YYYY'));
INSERT INTO EMP VALUES (5, 'MARTIN',TO_DATE('28-SEP-1981', 'DD-MON-YYYY'));


SQL> SELECT *
  2  FROM emp
  3  WHERE empno > ALL (2, 3, 4);

     EMPNO ENAME      HIREDATE
---------- ---------- ---------
         5 MARTIN     28-SEP-81

SQL>
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Where:
  1. Where clause
  2. dual table
  3. Comparison Operators
  4. ANY
  5. ALL
  6. LIKE, NOT LIKE
  7. IN, NOT IN
  8. Between...AND, NOT Between...AND
  9. IS NULL, IS NOT NULL
  10. Logical operator AND, OR, NOT
  11. Operator Precedence for AND, OR, NOT
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