使用嵌套 SELECT 访问 INSERT
Access INSERT with nested SELECT
为什么下面的 SQL 语句不起作用?
INSERT INTO dialog (speaker, dialog_text) VALUES (
(
SELECT FIRST(id)
FROM FIGURE
WHERE char_name="Doe" AND forename="John"
),
"Some text"
);
它产生了这个错误:
Query input must contain at least one table or query.
单个 SELECT
语句有效。
以下作品:
INSERT INTO dialog (speaker, dialog_text)
SELECT FIRST(id), "Some text"
FROM FIGURE
WHERE char_name="Doe" AND forename="John"
Access SQL INSERT ... VALUES
语句不允许您对 VALUES
之一使用子查询
切换到 INSERT ... SELECT
语句,因为 Piotr 会起作用。
或者您可以在 INSERT ... VALUES
语句中使用 Access Domain Aggregate 函数而不是子查询:
INSERT INTO dialog (speaker, dialog_text)
VALUES (
DMin("id", "FIGURE", "char_name='Doe' AND forename='John'"),
'Some text'
);
为什么下面的 SQL 语句不起作用?
INSERT INTO dialog (speaker, dialog_text) VALUES (
(
SELECT FIRST(id)
FROM FIGURE
WHERE char_name="Doe" AND forename="John"
),
"Some text"
);
它产生了这个错误:
Query input must contain at least one table or query.
单个 SELECT
语句有效。
以下作品:
INSERT INTO dialog (speaker, dialog_text)
SELECT FIRST(id), "Some text"
FROM FIGURE
WHERE char_name="Doe" AND forename="John"
Access SQL INSERT ... VALUES
语句不允许您对 VALUES
切换到 INSERT ... SELECT
语句,因为 Piotr
或者您可以在 INSERT ... VALUES
语句中使用 Access Domain Aggregate 函数而不是子查询:
INSERT INTO dialog (speaker, dialog_text)
VALUES (
DMin("id", "FIGURE", "char_name='Doe' AND forename='John'"),
'Some text'
);