specificerror occurredwhileestablishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote con
connection = DriverManager.getConnection(url, username, password);System.out.println(“Connected to the database!”);} catch (SQLException e) {System.out.println(“Error connecting to the database: “ + e.getMessage());}}}请根据你的具体情况调整上述代码中的URL、用户名和密码。如果问题仍然存在,...
user='username', password='password', database='database') print("Connected to the database!") break except pymysql.Error as e: print(f"Failed to connect to the database: {e}
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40...
1. test tsql [works] 2. test isql [no luck] 3. test iusql [no luck] What is the expected output? What do you see instead? EXPECTED $isql -v ODBCNAME USERNAME PASSWORD +---+ | Connected! but get: [ISQL]ERROR: Could not SQLConnect and [ISQL]ERROR: Could not SQLDriverConnect ...
创建，原因是你的时区配置的有歧义，你需要在 jdbc url 后加上 &serverTimezone=Asia/Shanghai 这 ...
Hi, I am able to connect remote database by using sql*plus. But by PL/SQL developer i am getting error "ORA12154" PL/SQL version is 12. Re: PL/SQL not getting connected 12 QAKS#5769003/15/1809:56 AM Marco Kalter Member
FROM '+QUOTENAME(@dbname) +'.sys.dm_db_log_space_usage;';BEGINTRYEXECUTE(@SQL);ENDTRYBEGINCATCHSELECTERROR_MESSAGE()ASErrorMessage;ENDCATCHFETCHNEXTFROMlog_spaceINTO@dbname;ENDCLOSElog_space;DEALLOCATElog_space;--select the affected databasesSELECTsdb.nameASDbName, ...
ifnotconn.Connectedthenconn.Open; conn.BeginTrans; // withqry_Rdobegin sql.text:='declare @n int, @n2 int '; sql.add(' exec @n=testError ''Connection'' '); sql.add(' select @n as vResult '); s:=sql.text; end; //***用最底层的连接执行兼容sql2000、2008***// //测试发现...
TCP Provider: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.Error: Microsoft SQL Native Client : An error has occurred while establishing a connection to the se...