i want commercial open source database software

i have Sql lite, but that is not working properly. please suggest me anything else that u know. I have data of 35000 records. i want to work on that data using Sql. I was working on Sql lite,but data couldn't get update. when i tried to update data suddenly Sql lite stops working. i want next option other than Sql lite. but the thing is that that option should be Commercial open source database software. i have Sql lite, but that is not working properly. please suggest me anything else that u know. I have data of 35000 records. i want to work on that data using Sql. I was working on Sql lite,but data couldn't get update. when i tried to update data suddenly Sql lite stops working. i want next option other than Sql lite. but the thing is that that option should be Commercial open source database software.