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Display alternate rows of EMP table


Displaying alternate rows of EMP table,


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Unknown said…
hi sir, i am your student and now i am in Chennai i want to know what is padding, right padding and left padding and its use
March 5, 2016 at 6:36 PM
usha said…
Hello Sir,
How do we order a table by two column names? for eg: order by sal desc and ename asc...
April 23, 2016 at 11:29 PM
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SQL Interview Questions on Subqueries

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'Linux-x86_64 Error: 28: No space left on device' While trying to start the database -- Error

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Answers for SQL Functions

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
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