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I'm getting an error executing the following SQL statement:

String sql = "CREATE TABLE RESERVATION (";
sql = sql + " UID VARCHAR,";
sql = sql + " ISBN INTEGER,";
sql = sql + " DATEISSUE DATE,";
sql = sql + " DATERETURN DATE,";
sql = sql + " FOREIGN KEY (UID) REFERENCES USERS (UID),";
sql = sql + " FOREIGN KEY (ISBN) REFERENCES BOOKS (ISBN) )";

Here is the error I am getting:

java.sql.SQLSyntaxErrorException: Syntax error: Encountered "," at line 1, column 39.

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1 回答 1

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varchar第 39列接近varchar(20).

于 2013-04-18T21:12:56.917 回答