Drop sequence

DECLARE
    s_exist NUMBER(1);
BEGIN
    SELECT CASE WHEN exists(SELECT * FROM ALL_SEQUENCES 
                           WHERE SEQUENCE_NAME = 'seq_name') THEN 1
       	ELSE 0 
    END INTO s_exist FROM DUAL;
    IF s_exist = 1 THEN
        EXECUTE IMMEDIATE 'DROP SEQUENCE seq_name';
    END IF;
END;

Similar codes

2 votes207 views1 answer
Column names in oracle sql
SQL
-1 vote196 views1 answer
Mysql extract days
SQL
0 vote201 views1 answer
Select milliseconds mysql
SQL
4 votes186 views1 answer
Oracle change nls_date_format permanently
SQL
0 vote196 views1 answer
Mysql workbench not showing schemas
SQL
0 vote189 views1 answer
How to use query in nosql
SQL
0 vote198 views1 answer
Firebird where
SQL
0 vote203 views2 answers
Mysql set foreign_key_checks=0
SQL
6 votes190 views1 answer
SQL insert all columns
SQL
0 vote188 views1 answer
Show all mongodb
SQL