how to select a table in sql code example
Example 1: delete column from table oracle PL SQL
ALTER TABLE table_name DROP COLUMN column_name;
Example 2: sql select syntax
select [all/distinct] <COL1>, <COL2>, <COL3>
from <TABLE_NAME>
[join <JOIN_CONDITION>]
[where <CONDITION>]
[group by <COLUMN_NAME>]
[having <SEARCH_CONDITION>]
[order by <SORT_SPECIFICATION>]
Example 3: how select from db
SELECT columname FROM tablename
Example 4: get number of table colums in sql query
select count(*) from tablename