How many rows will the query return ?

Table1 has 6 rows and Table2 has 6
SELECT * FROM Table1, Table2;
a.6
b.12
c.36
d.720
e.Cannot say
rows.
36

Questions by radibioinfo   answers by radibioinfo

Showing Answers 1 - 13 of 13 Answers

veluvpv

  • Apr 16th, 2009
 

It will retreive all rows from both the tables. i.e 6 rows from table1 and 6 rows from table2 will be retrieved and arranged horizontally. so it will have 6+6=12 columns horizontally.

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santhosh

  • Jan 6th, 2012
 

Ans: a. 6

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Priya

  • May 29th, 2012
 

This will yield to a correlated subquery return in SQL which will be each combination of record from the first table to second table. Which will be 6*6 = 36.

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Ramya

  • Jul 30th, 2013
 

36

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sudhir jain

  • Aug 6th, 2013
 

It will give all the columns from table 1 and table2

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lalit

  • Jul 10th, 2014
 

It will return 12 rows

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PARUSHURAM

  • Jul 27th, 2014
 

it will return 36 rows. result will be cartesian product of two tables.

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Rishu

  • Aug 7th, 2014
 

Lets say Table1 have 2 columns, 6 rows and Table2 have 3 columns, 6 rows.

Result table from SELECT * FROM TABLE1, TABLE2; will have 5 columns and 36 rows of data.

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gurudas

  • Aug 11th, 2014
 

Answer is 36 rows selected.

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Devu

  • Feb 26th, 2015
 

36

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abhay

  • Jul 18th, 2016
 

The ans is 36, I have tested it.

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