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556cffa8 · 王晓庆 · ee44bc25 · 556cffa8 · 556cffa8 · 556cffa8
--- a/query.sql
+++ b/query.sql
 USE wxq2

-- SELECT * FROM persons WHERE salesrep='Joe Dog'
-SELECT * FROM persons
+SELECT * FROM persons WHERE salesrep='Joe Dog'
--- a/seed.sql
+++ b/seed.sql
@@ -3,3 +3,5 @@ USE wxq2
 INSERT INTO persons VALUES ('1', 'John Smith', 'John Doe')
 INSERT INTO persons VALUES ('2', 'Jane Doe', 'Joe Dog')
 INSERT INTO persons VALUES ('3', 'Mike T.', 'Sarah H.')
+
+SELECT * FROM persons
--- a/testdb.py
+++ b/testdb.py
@@ -32,13 +32,12 @@ if __name__ == '__main__':

    # 创建数据库表
    createdb_sql = parse_sql('createdb.sql')
-    print(createdb_sql)
    df = pd.read_sql(createdb_sql, conn)

    # 填充数据
    seed_sql = parse_sql('seed.sql')
-    print(seed_sql)
    df = pd.read_sql(createdb_sql, conn)
+    print(df)

    # 运行学生代码
    query_sql = parse_sql('query.sql')