what does the query select * from table_abc where column_xyz like '%oracle%'
select * from table_abc where column_xyz like '%oracle%'
selects all the rows from the table having the column_xyz value starting with the word oracle
selects all the rows from the table having the column_xyz value ending with the word oracle
selects all the rows from the table having the column_xyz value containing the word oracle
selects all the rows from the table having the column_xyz value not containing the word oracle