Oracle drop sequence if exists

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

3 votes178 views2 answers
Sql asc
SQL
20 votes189 views3 answers
How to open postgresql in mac
SQL
0 vote203 views1 answer
Sql select sum group by id laravel join
SQL
0 vote175 views1 answer
Sql: extract day text from datetime value
SQL
7 votes238 views2 answers
Phpmyadmin change password
SQL
-3 votes169 views1 answer
Remove spaces sql 2008
SQL
0 vote188 views2 answers
Identity column in sql server
SQL
5 votes178 views2 answers
Oracle timestamp to date
SQL
0 vote183 views1 answer
Postgresql get diff between two dates in Months
SQL
0 vote199 views1 answer
Select lowest values sql
SQL