A、create trigger
B、create table
C、create database
D、create function
A、CREATE TRIGGER;ALTER TRIGGER;DROP TRIGGER
B、CREATE TRIGGER;UPDATE TRIGGER;DROP TRIGGER
C、CREATE TRIGGER;ALTER TRIGGER;DELETE TRIGGER
D、CREATE TRIGGER;UPDATE TRIGGER;DELETE TRIGGER
A、create table course;
B、create data course;
C、create database course;
D、create course;
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