1. SQL> SELECT empno, ename FROM emp WHERE Length(ename) = 4; 2. SQL> SELECT empno, ename, job FROM emp where Length(job)=7; 3. SQL> SELECT Length('qspiders') - Length(replace('qspiders','s','')) FROM dual; 4. SQL> SELECT empno, ename, job FROM emp WHERE Instr(job,'MAN') >0; 5. SQL> SELECT empno, ename, job FROM emp WHERE Instr(job, 'MAN') =1; 6. SQL> SELECT empno, ename, job FROM emp WHERE (Length(ename) - Length(Replace(ename, 'L',''))) = 1; 7. SQL> SELECT * FROM dept WHERE Instr(dname,'O') > 0; 8. SQL> SELECT Concat(ename,' working as a ') || Concat(job, ' earns ') || Concat(sal, ' in ') || Conc at('dept ',deptno) AS text from emp; OR SQL> SELECT Concat(Concat(Concat(Concat(Concat(Concat(Concat(ename,' working as a '), job),' earns '), sal),' in '),'dept '), deptno) AS text FROM emp; 9. SQL
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