Sensitive table group discovery method and system
A group, sensitive technology, applied in relational databases, digital data protection, computer security devices, etc., can solve the problems of poor real-time scanning of tools, small labeling range, and resource occupation, and achieve the effect of fast and efficient search
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example 1
[0056] Example 1: Sql tool analysis example:
[0057] Input: "create table T2 as select c1 as c1'from T1"
[0058] Output: T1, c1, T2, c1', in which the target table name T2 is recognized according to create, the original table name T1 is recognized according to from, and the original column name c1 and target column name c1' are recognized according to select.
example 2
[0059] Example 2: Sql tool analysis example:
[0060] Input: "create table T3 as select c1 as c2'from T1;
[0061] insert into T3(c2’) select c2 from T1;”
[0062] Output: T1, c2, T3, c2', among which the target table name T3 is recognized according to insert, the original table name T1 is recognized according to from, and the original column name c2 and target column name c2' are recognized according to select.
[0063] S1024: Store all the relationships between the original table and the target table in the parsing table, so as to establish a blood-relationship table of the data in the database, which is recorded as Blood-relationship, and its content is in the form of Table 1: blood-relationship table.
[0064] Table 1 blood relationship table
[0065] original table name original column name belong target table name target column name T1 c1 -> T2 c1 T1 c2 -> T3 c3 T1 c4 -> T3 c2 T1 c5 -> T3 c4 T1 c5 ->...
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