SQL

sql select last id

#Where the the column name is "ID" and table name is "tablename" and ID naming is increasing numerical value.
SELECT * 
FROM tablename
WHERE ID = (
    SELECT MAX(ID) 
  	FROM Table)

sql get last ID

SELECT MAX(id) FROM <tablename>

sql select last id

SELECT
  (SELECT * FROM tableName ORDER BY col1 LIMIT 1)        AS first,
  (SELECT * FROM tableName ORDER BY col1 DESC LIMIT 1)   AS last
;