update ff_vod set vod_url=CONCAT(vod_url,'999999999') where vod_id BETWEEN 1 AND 42553
where vod_id BETWEEN 1 AND 42553
mysql> SELECT CONCAT('My', ‘S', ‘QL');
-> ‘MySQL'
mysql> SELECT CONCAT('My', NULL, ‘QL');
-> NULL
mysql> SELECT CONCAT(14.3);
-> ‘14.3′
mysql> SELECT CONCAT_WS(',','First name','Second name','Last Name');
-> ‘First name,Second name,Last Name'
mysql> SELECT CONCAT_WS(',','First name',NULL,'Last Name');
-> ‘First name,Last Name'
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