Research on SQL Injection Attack and Defense Technology of Power Dispatching Data Network: Based on Data Mining

Table 2

Statistical quantity of different methods under false positive rate detection.

Total number of requests	Actual number of SQL injection attacks	Number of false positives in this method	Number of false positives of the keyword filtering method	Number of false positives of the filtering method based on the SQL syntax tree
200	100	1	6	18
400	200	3	15	38
600	300	7	19	58
1000	500	10	36	98
2000	1000	21	62	189
5000	2500	53	151	476
10000	5000	97	296	952
20000	10000	189	558	186
50000	25000	521	3552	476
100000	50000	1210	7362	896
200000	100000	1983	19320	1993