MySQLは右の私のSQL 5.5で

Question

に参加し、内部テーブルを組合に加入作成しますC & B.

CREATE TABLE IF NOT EXISTS TABLE_NAME AS (

(SELECT a.column1, b.column2 FROM TABLEA AS a 

INNER JOIN TABLEB AS b 

ON a.column1 = b.column1) 

UNION 

(SELECT c.column1, b.column2 FROM TABLEC AS c 

RIGHT JOIN TABLEB AS b 

ON b.column1 = c.column1) 

); 

エラー：

ERROR 1064 (42000) at line 11: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(SELECT a.column1, b.column2 FROM TABLEA AS a 

他の試み：

CREATE TABLE IF NOT EXISTS TABLE_NAME AS (

(SELECT a.column1, b.column2 FROM TABLEA AS a 

INNER JOIN TABLEB AS b 

ON a.column1 = b.column1) 

UNION 

(SELECT c.column1, b.column2 FROM TABLEC AS c 

RIGHT JOIN TABLEB AS b 

ON b.column1 = c.column1) 

); 

Error: 

ERROR 1064 (42000) at line 11: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNION 

は、任意の教祖はいくつかのアドバイスを提供してもらえますか？ありがとう。

Answer 1

代わりに以下のことを試してみてください。

documentation

CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name 
    [(create_definition,...)] 
    [table_options] 
    [partition_options] 
    [IGNORE | REPLACE] 
    [AS] query_expression 

query_expressionから引用

CREATE TABLE IF NOT EXISTS TABLE_NAME AS 

(SELECT a.column1, b.column2 FROM TABLEA AS a 

INNER JOIN TABLEB AS b 

ON a.column1 = b.column1) 

UNION 

(SELECT c.column1, b.column2 FROM TABLEC AS c 

RIGHT JOIN TABLEB AS b 

ON b.column1 = c.column1) 

See Demo

---

は括弧

で囲まれたべきではありません

Answer 2

はベン図から、この

CREATE TABLE IF NOT EXISTS TABLE_NAME AS 
(
SELECT S.* 
FROM 
(
SELECT a.column1, b.column2 FROM TABLEA AS a 
INNER JOIN TABLEB AS b ON a.column1 = b.column1 
UNION 
SELECT c.column1, b.column2 FROM TABLEC AS c 
RIGHT JOIN TABLEB AS b ON b.column1 = c.column1 
) S 
);