Time for an 2014 update…

Task/FizzBuzz/SQL/fizzbuzz-2.sql

@@ -1,11 +1,2 @@
-SELECT i, fizzbuzz
-  FROM
-    (SELECT i,
-            CASE
-              WHEN i % 15 = 0 THEN 'FizzBuzz'
-              WHEN i %  5 = 0 THEN 'Buzz'
-              WHEN i %  3 = 0 THEN 'Fizz'
-              ELSE NULL
-            END AS fizzbuzz
-       FROM generate_series(1,100) AS i) AS fb
- WHERE fizzbuzz IS NOT NULL;
+select nvl(decode(mod(n,3),0,'Fizz')||decode(mod(n,5),0,'Buzz'),n)
+from (select level n from dual connect by level<=100)

Task/FizzBuzz/SQL/fizzbuzz-3.sql

@@ -1,15 +1,11 @@
-WITH nums (n, fizzbuzz ) AS (
-	SELECT 1, CONVERT(nvarchar, 1) UNION ALL
-	SELECT
-		(n + 1) as n1,
-		CASE
-			WHEN (n + 1) % 15 = 0 THEN 'FizzBuzz'
-			WHEN (n + 1) % 3  = 0 THEN 'Fizz'
-			WHEN (n + 1) % 5  = 0 THEN 'Buzz'
-			ELSE CONVERT(nvarchar, (n + 1))
-		END
-	FROM nums WHERE n < 100
-)
-SELECT n, fizzbuzz FROM nums
-ORDER BY n ASC
-OPTION ( MAXRECURSION 100 )
+SELECT i, fizzbuzz
+  FROM
+    (SELECT i,
+            CASE
+              WHEN i % 15 = 0 THEN 'FizzBuzz'
+              WHEN i %  5 = 0 THEN 'Buzz'
+              WHEN i %  3 = 0 THEN 'Fizz'
+              ELSE NULL
+            END AS fizzbuzz
+       FROM generate_series(1,100) AS i) AS fb
+ WHERE fizzbuzz IS NOT NULL;

Task/FizzBuzz/SQL/fizzbuzz-4.sql

@@ -1,24 +1,7 @@
--- Load some numbers
-CREATE TABLE numbers(i INTEGER);
-INSERT INTO numbers VALUES(1);
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
-INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
--- Define the fizzes and buzzes
-CREATE TABLE fizzbuzz (message VARCHAR(8), divisor INTEGER);
-INSERT INTO fizzbuzz VALUES('fizz',      3);
-INSERT INTO fizzbuzz VALUES('buzz',      5);
-INSERT INTO fizzbuzz VALUES('fizzbuzz', 15);
--- Play fizzbuzz
-SELECT COALESCE(max(message),CAST(i AS VARCHAR(99))) as result
-FROM numbers LEFT OUTER JOIN fizzbuzz ON MOD(i,divisor) = 0
-GROUP BY i
-HAVING i <= 100
-ORDER BY i;
--- Tidy up
-DROP TABLE fizzbuzz;
-DROP TABLE numbers;
+SELECT COALESCE(FIZZ || BUZZ, FIZZ, BUZZ, OUTPUT) AS FIZZBUZZ FROM
+(SELECT GENERATE_SERIES AS FULL_SERIES, TO_CHAR(GENERATE_SERIES,'99') AS OUTPUT
+FROM GENERATE_SERIES(1,100)) F LEFT JOIN
+(SELECT TEXT 'Fizz' AS FIZZ, GENERATE_SERIES AS FIZZ_SERIES FROM GENERATE_SERIES(0,100,3)) FIZZ ON
+FIZZ.FIZZ_SERIES = F.FULL_SERIES LEFT JOIN
+(SELECT TEXT 'Buzz' AS BUZZ, GENERATE_SERIES AS BUZZ_SERIES FROM GENERATE_SERIES(0,100,5)) BUZZ ON
+BUZZ.BUZZ_SERIES = F.FULL_SERIES;

Task/FizzBuzz/SQL/fizzbuzz-5.sql

@@ -1,16 +1,15 @@
-declare
-  v_count integer;
-
-begin
-  for v_count in 1..100 loop
-    if(mod(v_count, 15) = 0) then
-      dbms_output.put_line('Fizz Buzz');
-    elsif(mod(v_count, 3) = 0) then
-      dbms_output.put_line('Fizz');
-    elsif(mod(v_count, 5) = 0) then
-      dbms_output.put_line('Buzz');
-    else
-      dbms_output.put_line(v_count);
-    end if;
-  end loop;
-end;
+WITH nums (n, fizzbuzz ) AS (
+	SELECT 1, CONVERT(nvarchar, 1) UNION ALL
+	SELECT
+		(n + 1) as n1,
+		CASE
+			WHEN (n + 1) % 15 = 0 THEN 'FizzBuzz'
+			WHEN (n + 1) % 3  = 0 THEN 'Fizz'
+			WHEN (n + 1) % 5  = 0 THEN 'Buzz'
+			ELSE CONVERT(nvarchar, (n + 1))
+		END
+	FROM nums WHERE n < 100
+)
+SELECT n, fizzbuzz FROM nums
+ORDER BY n ASC
+OPTION ( MAXRECURSION 100 )

Task/FizzBuzz/SQL/fizzbuzz-6.sql

@@ -0,0 +1,24 @@
+-- Load some numbers
+CREATE TABLE numbers(i INTEGER);
+INSERT INTO numbers VALUES(1);
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+INSERT INTO numbers SELECT i + (SELECT MAX(i) FROM numbers) FROM numbers;
+-- Define the fizzes and buzzes
+CREATE TABLE fizzbuzz (message VARCHAR(8), divisor INTEGER);
+INSERT INTO fizzbuzz VALUES('fizz',      3);
+INSERT INTO fizzbuzz VALUES('buzz',      5);
+INSERT INTO fizzbuzz VALUES('fizzbuzz', 15);
+-- Play fizzbuzz
+SELECT COALESCE(max(message),CAST(i AS VARCHAR(99))) as result
+FROM numbers LEFT OUTER JOIN fizzbuzz ON MOD(i,divisor) = 0
+GROUP BY i
+HAVING i <= 100
+ORDER BY i;
+-- Tidy up
+DROP TABLE fizzbuzz;
+DROP TABLE numbers;