The data type of the register is VARCHAR(255).
寄存器的数据类型为 VARCHAR(255)。
You can only define an index on a column defined with VARCHAR (1021).
只能在用VARCHAR(1021)定义的列上定义索引。
In this case, the customer's status is captured in an SQL VARCHAR column.
在这个例子中，客户的状态可在SQLvarchar列中捕捉。
tk_result_table varchar Sensor only. The table name where results are kept.
tk_result_tablevarchar仅用于传感器。
But, you could decide to index book prices as VARCHAR, as shown in Table 3.
但是，也可以将书籍价格作为VARCHAR进行索引，如表3所示。
The last two fields can be alphanumeric, so you'll use the varchar() function.
最后这两个字段可以是字母数字，所以将使用varchar()函数。
The reason is simply that inlined data is treated exactly like VARCHAR FOR BIT data.
原因是，内联的数据当作VARCHAR FORBIT DATA对待。
The reason is simply that inlined data is treated exactly like VARCHAR FOR BIT data.
原因是，内联的数据当作VARCHAR FORBIT DATA对待。
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