Improve pymysql instrumentation examples (#3472)

Author: andremm

instrumentation/opentelemetry-instrumentation-pymysql/src/opentelemetry/instrumentation/pymysql/__init__.py

@@ -31,12 +31,12 @@
 
     cnx = pymysql.connect(database="MySQL_Database")
     cursor = cnx.cursor()
-    cursor.execute("INSERT INTO test (testField) VALUES (123)"
+    cursor.execute("CREATE TABLE IF NOT EXISTS test (testField INTEGER)")
+    cursor.execute("INSERT INTO test (testField) VALUES (123)")
     cnx.commit()
     cursor.close()
     cnx.close()
 
-
 .. code:: python
 
     import pymysql
@@ -53,7 +53,8 @@
         }
     )
     cursor = instrumented_cnx.cursor()
-    cursor.execute("INSERT INTO test (testField) VALUES (123)"
+    cursor.execute("CREATE TABLE IF NOT EXISTS test (testField INTEGER)")
+    cursor.execute("INSERT INTO test (testField) VALUES (123)")
     instrumented_cnx.commit()
     cursor.close()
     instrumented_cnx.close()
@@ -75,12 +76,12 @@
 
     cnx = pymysql.connect(database="MySQL_Database")
     cursor = cnx.cursor()
-    cursor.execute("INSERT INTO test (testField) VALUES (123)"
+    cursor.execute("CREATE TABLE IF NOT EXISTS test (testField INTEGER)")
+    cursor.execute("INSERT INTO test (testField) VALUES (123)")
     cnx.commit()
     cursor.close()
     cnx.close()
 
-
 For example,
 ::