Large amounts of data in the database, some table name or column name is not clear, you can query by sql to all of the data table or field names, by way of fuzzy search query to a large number of tables, and then further screening, thereby find data tables or data fields you need;
View of the query is as follows:
all_tab_cols all_tab_columns
Query to the specified table, specified field name of the table, the table can be found where;
Reproduced in: https: //www.cnblogs.com/alterhu/archive/2012/05/11/2496520.html