我有一条SQL语句,我想要一个空格的别名。例如: select name as User name from users;
我尝试了不同的语法,但失败了。 select name as "User name" from users;
select name as 'User name' from users;
select name as {User name} from users;
我正在使用Firebird 2.5。当我运行 SELECT
CASE BILANCA
WHEN 1 THEN
CASE BILANCA WHEN 0 THEN 'SMALLINT' WHEN 1 THEN 'NUME' END
ELSE 'A'||'B' END
AS BILANCA1,
CASE BILANCA
WHEN 1 THEN
产生额外的文字,我转换BDE查询(矛盾)的火鸟(2.5,不3.x中),我有它的一个非常方便的转换: select TRIM(' 1') as order1, CAST(' 1' AS INTEGER) AS order2 --> 1
select TRIM(' 1 bis') as order1, CAST(' 1 bis' AS INTEGER) AS order2 --> 1
然后由
我有Firebird数据库和字符集WIN1251。数据库已经有几个表。现在我想将默认排序规则更改为WIN1251_UA。所以我不得不执行该语句: ALTER CHARACTER SET WIN1251 SET DEFAULT COLLATION WIN1251_UA
根据this link上面的查询修改数据库的默认排序规则。 现在我面临这个问题:对于所有表格,所有varchar字段仍然有校对W
我想知道是否以及如何遍历delete语句的结果。 的delete语句能够返回删除记录的值: Firebird 2.5 Language Reference DELETE
FROM {target} [[AS] alias]
[WHERE {search-conditions | CURRENT OF cursorname}]
[PLAN plan_items]