達夢數據庫SQL

SUBSTRING()函數數據庫 select * , substring(SONG_ID from 3) from TBL_SONG where SONG_ID like '11__';函數 例如select * ,'04'+substring("DBNAME"."SCHAMENAME"."TABLENAME"."INDEX_ID" from 3 )spa from  "DBNAME"."SCH

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