Plan-of-SQLs Interface TP

Task: Verify the Statement against the Table

Statement: on march 15 , 2007 and in region 4 , the highest number of episodes was 4

Table: none

volume discs episodes region_1 region_2 region_4
1 1 4 2006-01-31 2007-02-19 2007-03-15
2 1 4 2006-03-28 2007-06-04 2007-07-05
3 1 4 2006-05-30 2007-09-03 2008-03-13
4 1 4 2006-07-18 2008-02-18 2008-06-19
5 1 4 2006-09-19 2008-05-26 2009-03-05
Generating plan to answer the query...

Generated steps

Step 1: Order the table by 'episodes' in descending order.

Step 2: Select rows where 'region_4' is '2007-03-15'.

Step 3: Select rows where 'episodes' is 4.

Step 4: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.

Step 1: Order the table by 'episodes' in descending order.

SQL command for the step:

SELECT * FROM table_sql ORDER BY episodes DESC;
volume discs episodes region_1 region_2 region_4
1 1 4 2006-01-31 2007-02-19 2007-03-15
2 1 4 2006-03-28 2007-06-04 2007-07-05
3 1 4 2006-05-30 2007-09-03 2008-03-13
4 1 4 2006-07-18 2008-02-18 2008-06-19
5 1 4 2006-09-19 2008-05-26 2009-03-05

Step 2: Select rows where 'region_4' is '2007-03-15'.

SQL command for the step:

SELECT * FROM table_sql WHERE region_4 = '2007-03-15';
volume discs episodes region_1 region_2 region_4
1 1 4 2006-01-31 2007-02-19 2007-03-15
2 1 4 2006-03-28 2007-06-04 2007-07-05
3 1 4 2006-05-30 2007-09-03 2008-03-13
4 1 4 2006-07-18 2008-02-18 2008-06-19
5 1 4 2006-09-19 2008-05-26 2009-03-05

Step 3: Select rows where 'episodes' is 4.

SQL command for the step:

SELECT * FROM table_sql WHERE episodes = 4;
volume discs episodes region_1 region_2 region_4
1 1 4 2006-01-31 2007-02-19 2007-03-15

Step 4: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.

SQL command for the step:

SELECT CASE WHEN COUNT(*) = 1 THEN TRUE ELSE FALSE END AS verification FROM table_sql;
volume discs episodes region_1 region_2 region_4
1 1 4 2006-01-31 2007-02-19 2007-03-15

Verification:

The statement is TRUE