List of 3
$ column:List of 4
..$ head : chr "select %s from %s limit %d;"
..$ all : chr "select %s from %s;"
..$ unique: chr "select distinct %s from %s;"
..$ sample: chr "select %s from %s order by rand() limit %d;"
$ table :List of 5
..$ select: chr "select %s from %s;"
..$ head : chr "select * from %s limit %d;"
..$ all : chr "select * from %s;"
..$ unique: chr "select distinct %s from %s;"
..$ sample: chr "select * from %s order by rand() limit %d;"
$ system:List of 6
..$ schema_no_system : chr " select table_name , column_name , data_type "| __truncated__
..$ schema_with_system : chr " select table_name , column_name , data_type "| __truncated__
..$ schema_specified : chr " select table_name , column_name , udt_name "| __truncated__
..$ foreign_keys_for_table : chr " select column_name , referenced_table_name , referenced_column_name from "| __truncated__
..$ foreign_keys_for_column: chr " select column_name , referenced_table_name , referenced_column_name from "| __truncated__
..$ ref_keys_for_table : chr " select referenced_column_name , table_name , column_name fr"| __truncated__