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Oracle Logical Operators
The logical operators are typically used to combine conditional statements. Below is the list of logical operators in Oracle.
NULL VALUE TEST OPERATOR – IS NULL
RANGE TEST OPERATOR – BETWEEN
SET MEMBERSHIP TEST OPERATOR – IN
PATTERN MATCHING OPERATOR – LIKE
EXISTS
UNIQUE
ALL AND ANY
Oracle Logical Operators Examples
Creating table for demonstrating logical operators
CREATE TABLE EMP (EMPNO NUMBER(4) CONSTRAINT PK_EMP PRIMARY KEY, ENAME VARCHAR2(10), JOB VARCHAR2(9), MGR NUMBER(4), HIREDATE DATE, SAL NUMBER(7,2));
INSERT INTO EMP VALUES (7369,'SMITH','CLERK',7902,to_date('17-12-1980','dd-mm-yyyy'),800); INSERT INTO EMP VALUES (7499,'ALLEN','SALESMAN',7698,to_date('20-2-1981','dd-mm-yyyy'),1600); INSERT INTO EMP VALUES (7521,'WARD','SALESMAN',7698,to_date('22-2-1981','dd-mm-yyyy'),1250); INSERT INTO EMP VALUES (7566,'JONES','MANAGER',7839,to_date('2-4-1981','dd-mm-yyyy'),2975); INSERT INTO EMP VALUES (7654,'MARTIN','SALESMAN',7698,to_date('28-9-1981','dd-mm-yyyy'),1250); INSERT INTO EMP VALUES (7698,'BLAKE','MANAGER',7839,to_date('1-5-1981','dd-mm-yyyy'),2850); INSERT INTO EMP VALUES (7782,'CLARK','MANAGER',7839,to_date('9-6-1981','dd-mm-yyyy'),2450); INSERT INTO EMP VALUES (7788,'SCOTT','ANALYST',7566,to_date('13-JUL-87')-85,3000); INSERT INTO EMP VALUES (7839,'KING','PRESIDENT',NULL,to_date('17-11-1981','dd-mm-yyyy'),5000); INSERT INTO EMP VALUES (7844,'TURNER','SALESMAN',7698,to_date('8-9-1981','dd-mm-yyyy'),1500); INSERT INTO EMP VALUES (7876,'ADAMS','CLERK',7788,to_date('13-JUL-87')-51,1100); INSERT INTO EMP VALUES (7900,'JAMES','CLERK',7698,to_date('3-12-1981','dd-mm-yyyy'),950); INSERT INTO EMP VALUES (7902,'FORD','ANALYST',7566,to_date('3-12-1981','dd-mm-yyyy'),3000); INSERT INTO EMP VALUES (7934,'MILLER','CLERK',7782,to_date('23-1-1982','dd-mm-yyyy'),1300);
COMMIT; |
SELECT ENAME FROM EMP WHERE SAL BETWEEN 100 AND 1000
SELECT EMPNO, ENAME, JOB, MGR FROM EMP WHERE ENAME IN ('SMITH','ALLEN','WARD');
SELECT EMPNO, ENAME, JOB FROM EMP WHERE JOB LIKE ('CLE%')
SELECT ENAME, SAL FROM EMP WHERE EXISTS (SELECT * FROM EMP WHERE SAL >3000)
SELECT ENAME, SAL FROM EMP WHERE EXISTS (SELECT * FROM EMP WHERE SAL =3333)
SELECT ENAME, SAL FROM EMP WHERE SAL > ALL (SELECT SAL FROM EMP WHERE SAL BETWEEN 1000 AND 2000)
SELECT ENAME, SAL FROM EMP WHERE SAL <ALL (SELECT SAL FROM EMP WHERE SAL BETWEEN 1000 AND 2000)
SELECT ENAME, SAL FROM EMP WHERE SAL < ALL (SELECT SAL FROM EMP WHERE SAL BETWEEN 900 AND 3000)
SELECT ENAME, SAL FROM EMP WHERE SAL < ANY (SELECT SAL FROM EMP WHERE SAL BETWEEN 1000 AND 2000)
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