sqlチューニング総合診療oracle cloudworld出張所

5. 5 select count(1) from foober;

15. 15

16. 16

18. 18 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7 AND status = '00' 8* AND ROWNUM r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7 AND status = '00' 8* AND ROWNUM r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '01' COUNT(1) ---------- 0

19. 19 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN :1 AND :2 7 AND status = :3 8* AND ROWNUM r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = 01' COUNT(1) ---------- 0

20. 20 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN :1 AND :2 7 AND status = :3 8* AND ROWNUM r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = 01' AND ROWNUM r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN :1 AND :2 7* AND status = :3 COUNT(1) ---------- 10000 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN :1 AND :2 7 AND status = :3 8* AND ROWNUM desc count4emptyset NULL? ----------------------------------------- -------- ---------------------------- ID NOT NULL NUMBER BRANCH# NOT NULL NUMBER STATUS NOT NULL CHAR(2) DATA CHAR(500) INDEX_NAME COLUMN_NAME DESC ------------------------------ ------------------------------ ---- PK_COUNT4EMPTYSET ID ASC BRANCH# ASC COLUMN_NAME NUM_DISTINCT NUM_NULLS HISTOGRAM ------------------------------ ------------ ---------- --------------- ID 1000 0 NONE BRANCH# 1999 0 NONE STATUS 1 0 FREQUENCY DATA 1000 0 NONE INDEX_NAME DISTINCT_KEYS NUM_ROWS CLUSTERING_FACTOR ------------------------------ ------------- ---------- ----------------- PK_COUNT4EMPTYSET 1000000 1000000 987729

25. 25 SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 --------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows |..| Cost (%CPU)|..| --------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 |..| 9931 (1)|..| | 1 | SORT AGGREGATE | | 1 |..| |..| |* 2 | TABLE ACCESS BY INDEX ROWID BATCHED| COUNT4EMPTYSET | 10008 |..| 9931 (1)|..| |* 3 | INDEX RANGE SCAN | PK_COUNT4EMPTYSET | 10009 |..| 42 (0)|..| --------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- 2 - filter("STATUS"='00') 3 - access("ID">=1 AND "ID" r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 --------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows |..| Cost (%CPU)|..| --------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 |..| 9931 (1)|..| | 1 | SORT AGGREGATE | | 1 |..| |..| |* 2 | TABLE ACCESS BY INDEX ROWID BATCHED| COUNT4EMPTYSET | 10008 |..| 9931 (1)|..| |* 3 | INDEX RANGE SCAN | PK_COUNT4EMPTYSET | 10009 |..| 42 (0)|..| --------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- 2 - filter("STATUS"='00') 3 - access("ID">=1 AND "ID" r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 --------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows |..| Cost (%CPU)|..| --------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 |..| 9931 (1)|..| | 1 | SORT AGGREGATE | | 1 |..| |..| |* 2 | TABLE ACCESS BY INDEX ROWID BATCHED| COUNT4EMPTYSET | 10008 |..| 9931 (1)|..| |* 3 | INDEX RANGE SCAN | PK_COUNT4EMPTYSET | 10009 |..| 42 (0)|..| --------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- 2 - filter("STATUS"='00') 3 - access("ID">=1 AND "ID"=1 AND "ID" r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '00' COUNT(1) ---------- 10000 ----------------------------- 9893 consistent gets 0 physical reads SCOTT> r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7* AND status = '01' COUNT(1) ---------- 0 ----------------------------- 9893 consistent gets 0 physical reads

30. 30 --------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows |..| Cost (%CPU)|..| --------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 |..| 9931 (1)|..| | 1 | SORT AGGREGATE | | 1 |..| |..| |* 2 | TABLE ACCESS BY INDEX ROWID BATCHED| COUNT4EMPTYSET | 10008 |..| 9931 (1)|..| |* 3 | INDEX RANGE SCAN | PK_COUNT4EMPTYSET | 10009 |..| 42 (0)|..| --------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- 2 - filter("STATUS"='00') 3 - access("ID">=1 AND "ID"=1 AND "STATUS"='00' AND "ID" r 1 SELECT 2 COUNT(1) 3 FROM 4 count4emptyset 5 WHERE 6 id BETWEEN 1 AND 10 7 AND status = '00' 8* AND ROWNUM

sqlチューニング総合診療oracle cloudworld出張所

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