enum DML{
    SELECT,
    INSERT,
    UPDATE,
    DELETE,
    EXISTS,
    EXECUTE,
    PROCEDURE
}
enum DDL{
    TABLE_CREATE    ("表创建"),
    TABLE_ALTER     ("表结构修改"),
    TABLE_DROP      ("表删除"),
    TABLE_RENAME    ("表重命名"),
    TABLE_COMMENT   ("表修改备注"),
 
    VIEW_CREATE   ("视图创建"),
    VIEW_ALTER    ("视图修改"),
    VIEW_DROP     ("视图删除"),
    VIEW_RENAME   ("视图重命名"),
 
    MASTER_TABLE_CREATE   ("超表创建"),
    MASTER_TABLE_ALTER    ("超表修改"),
    MASTER_TABLE_DROP     ("超表删除"),
    MASTER_TABLE_RENAME   ("超表重命名"),
 
    PARTITION_TABLE_CREATE   ("子表(分区表)创建"),
    PARTITION_TABLE_ALTER    ("子表(分区表)修改"),
    PARTITION_TABLE_DROP     ("子表(分区表)删除"),
    PARTITION_TABLE_RENAME   ("子表(分区表)重命名"),
 
    COLUMN_ADD   ("列创建"),
    COLUMN_ALTER    ("列结构修改"),
    COLUMN_DROP     ("列删除"),
    COLUMN_RENAME   ("列重命名"),
 
    TAG_ADD   ("标签(子表列)创建"),
    TAG_ALTER    ("标签(子表列)结构修改"),
    TAG_DROP     ("标签(子表列)删除"),
    TAG_RENAME   ("标签(子表列)重命名"),
 
    PRIMARY_ADD   ("主键创建"),
    PRIMARY_ALTER    ("主键修改"),
    PRIMARY_DROP     ("主键删除"),
    PRIMARY_RENAME   ("主键重命名"),
 
    FOREIGN_ADD   ("外键创建"),
    FOREIGN_ALTER    ("外键修改"),
    FOREIGN_DROP     ("外键删除"),
    FOREIGN_RENAME   ("外键重命名"),
 
    INDEX_ADD   ("索引创建"),
    INDEX_ALTER    ("索引修改"),
    INDEX_DROP     ("索引删除"),
    INDEX_RENAME   ("索引重命名"),
 
    CONSTRAINT_ADD   ("约束添加"),
    CONSTRAINT_ALTER    ("约束修改"),
    CONSTRAINT_DROP     ("约束删除"),
    CONSTRAINT_RENAME   ("约束重命名"),
 
    PROCEDURE_CREATE   ("存储过程创建"),
    PROCEDURE_ALTER    ("存储过程修改"),
    PROCEDURE_DROP     ("存储过程删除"),
    PROCEDURE_RENAME   ("存储过程重命名"),
 
    FUNCTION_CREATE   ("函数创建"),
    FUNCTION_ALTER    ("函数修改"),
    FUNCTION_DROP     ("函数删除"),
    FUNCTION_RENAME   ("函数重命名"),
 
    TRIGGER_ADD   ("触发器创建"),
    TRIGGER_ALTER    ("触发器修改"),
    TRIGGER_DROP     ("触发器删除"),
    TRIGGER_RENAME   ("触发器重命名"),
    ;
    private final String title;
    DDL(String title){
        this.title = title;
    }
}