select * from emp
what happened internally when we write this query in the sql
prompt?
Answers were Sorted based on User's Feedback
it will display all the records of emp table.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / purna
ALL DATA R STORED IN D PHYSICAL LAYER .....WHEN WE WRITE A QUARY D DATA WILL COM FROM PHYSICAL LAYER 2 SGA (SYSTEM GLOBAL AREA) THROUGH SQL*PLUS LOGICAL LAYER AND GIVES D OUTUT IN D VIEW LAYER
PHYSICAL LAYER...>SQL*PLUS LOGICAL LAYER...>SGA...>VIEW LAYER
| Is This Answer Correct ? | 1 Yes | 0 No |
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I have a table emp. There is only one column in the table. In that , there are only three rows in that column. The value in the first row is 'A' and the value in the second row is 'B' and the third row is 'C'. Now, my question is , How will you write a select query to display the output as B C A Note: order by cannot be used coz it gives us output as CBA. But the output should be BCA.
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