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create database test COLLATE Chinese_PRC_CS_AS
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alter database test COLLATE Chinese_PRC_CS_AS
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alter database test COLLATE Chinese_PRC_CI_AS
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select *from customers
select *from orders
select customers.cust_id, orders.order_num from customers inner join orders on customers.cust_id=orders.cust_id
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SELECT name,num from Table1
UNION
SELECT name,num from Table2
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A B
1 abc
1 bcd
1 asdfg
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@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface FiledRef
{
String fieldName();
}
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@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface TableRef
{
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