JDBC
Hitting stored proc - javax.ejb.EJBException
I\'m trying to hit a stored procedure but I\'m getting this error message: \'javax.ejb.EJBException\'... I\'ve never worked with stored procedures so the exception is a bit Greek to me.[详细]
2023-04-13 08:37 分类:问答JDBC - c3p0 - hibernate - setAutocommit, Can someone please help me clarify the story
The fundamental source of my questionning came from this observation. When I use Hibernate and make any query, I get the following in the MySQL logs:[详细]
2023-04-13 07:36 分类:问答jdbc result set metadata: getting physical column names on aliased columns
I\'m using jdbc to execute query statements (in jruby) # made-up example sql = \"select \" + \"c.type as cartype, \" +[详细]
2023-04-13 06:48 分类:问答Spring StoredProcedure
Can we pass the output and input parameter to SQLParameter by index and not by name ? /* This code snippet explains data access thru CallableStatement by registering the output and input params by in[详细]
2023-04-13 05:53 分类:问答Getting MySQL Connector/J + JDBC to work
I\'ve been trying to get MySQL Connector/J set up for the past hour but I am not getting anywhere. I tried following a lot of tutorials, and am using the code on this page to test my connection:[详细]
2023-04-13 04:16 分类:问答How to catch constraint violation inside the resultset loop?
I was working on a servlet that will generate a unique code and update that in a mySQL database. Now, in that, I want to catch any exception thrown in case that unique code already exists in the mySQL[详细]
2023-04-13 02:35 分类:问答Python 3 - Connecting with JDBC
How do you connect to a database using a JDBC driver from within Python 3?JayDeBeApi seems to do the job for Python 2, but at t开发者_Go百科he moment it isn\'t Python 3-compatible.[详细]
2023-04-13 02:11 分类:问答How often does oracle revise a query plan?
When running a performance benchmark for our data processing application we start with a FOO_TABLE empty and then insert records from one thread while in another thread we select the same records from[详细]
2023-04-13 01:42 分类:问答Tomcat connection pooling method
I am developing a J2EE application which will receive requests from a mobile application and does some database operations to show the data to the user.[详细]
2023-04-12 23:40 分类:问答how to call array variable from one method into another variable
How do I call the variable show[j] and actuate[j] which are located in Attribute() method into xmls(). If I declare this outside I will get ArrayIndexOutOfBoundException. count is a variable got from[详细]
2023-04-12 18:59 分类:问答