I’m trying to use Java and Spring to read the table structure for a MySQL database. The code I’ve got (based on other answers on this site) is: If I call this code with the name of any of my database tables, it works perfectly. However, when I pass the name of any of my database views, I get the
Tag: jdbc
Use a value in MySQL query in multiple lines without a variable
I have this mysql query that uses the same value I’m passing, 3 times over. Is there any way to make this query without me having to type the below And just use this Answer
Unable to connect to a database using JDBC within Spark with Scala
I’m trying to read data from JDBC in Spark Scala. Below is the code written in Databricks. I’m getting the following error message: Could someone please let me know how to resolve this issue. Answer The certificate used by your host is not trusted by java. Solution 1 (Easy, not recommended) Disabled certificate checking and always trust the certificate provided
Callable Statement – PostgreSQL – Multiple Out Parameters
We have a stored procedure in a PostgreSQL DB that takes multiple input and multiple out parameters. The procedure call from the PG Admin client works fine when we do the following, call proc1(input1, input2, output1, output2) However, if we try to make this call through a JDBC CallableStatement, we get the below error, The PostgreSQL driver is “org.postgresql.Driver” The
CommunicationsException: The last packet sent successfully to the server xxx milliseconds ago
I have a question about MySQL/JDBC connections in Java. I wrote an application that successfully communicates with a database, but the issue that I recently found out was that my DB connection was dropping, and I need the application to have a connection to the DB at all times. This is a small snipplet of the error I was getting:
Clickhouse jdbc driver connection issue
We are trying to connect to a clickhouse server using jdbc drivers. Our code snippet is in scala and would not be much different in java We get the following error : We went through a few other pages mentioning the same error and in keeping with the advice there, we used the latest version of the driver (0.3.1-patch). We
Should I close the prepared statement passed as parameter?
I am aware that we should not reuse prepared statement or use try-with-resource in java. But what should I do with prepared statement passed as parameter? Should I close it too? For example: Answer The way I see it is as follows: In your code somemethod is not the owner of those prepared statements that were passed to it. It
Trying to resolve ClassNotFound error when running program using OrmLite
I am trying to use OrmLite to connect to a SQLite database (not android). I have read the docs and I believe that my code is correct but I am getting a runtime error when trying to run. I am using Maven to import the dependencies. Here is my code: Here is the dependency section of my maven POM file:
Compability JDBC driver versions and PostgreSQL versions
Can anyone point me on where to find an exact documenation which postgreSQL database version requires which JDBC driver version? In the case at hand I want to know: What is the minimum required JDBC version in a Java server application connecting to a database of version PostgreSQL 11.13? Unfortunately the PostgreSQL JDBC Driver website is not really precise on
Select all employees sorted by last name in ascending order
How can I implement SQL query in order to select all employees sorted by last name in ascending order in the following Java class: Answer If there is a separate column for last name then it is very much easy to achieve. If there is only one column i.e. full name , then split the string from the last white