You can force TCP instead of shared memory. You can do that by prefixing tcp: to the server name in the connection string or you can use localhost. Applies to 产品版本(已过时) .NETCore 1.0, Core 1.1, 6 (package-provided), 7 (package-provided)(8 (package-provided), 9 (package-provid...
You can force TCP instead of shared memory. You can do that by prefixing tcp: to the server name in the connection string or you can use localhost.Constructors 展開資料表 SqlConnection() Initializes a new instance of the SqlConnection class. SqlConnection(String, SqlCredential) Initialize...
printf("%s\n", (const char *)szData); } } } // Free the statement handle, disconnect, free the connection handle, and free the environment handle. void direxec::sqldisconn() { SQLFreeStmt(hstmt,SQL_DROP); SQLDisconnect(hdbc); SQLFreeConnect(hdbc); SQLFreeEnv(henv); } // Display...
Methods In EasySQL Class Name Returns Description IsConnected() bool Returns true or false whether connection to database is successful or not GetConnectionString() String Returns the connection string which is set/used GetTimeout() Int Returns the connection timeout ...
using System; using System.Data; using System.Data.SqlClient; using System.Threading.Tasks; class Program { static class SqlHelper { // Set the connection, command, and then execute the command with non query. public static Int32 ExecuteNonQuery(String connectionString, String commandText, CommandTy...
Connection con = null; PreparedStatement ps = null; ResultSet rs = null; try { con = dataSource.getConnection(); con.setReadOnly(true); ps = con.prepareStatement(sql); if (params != null && !params.isEmpty()) { for (int i = 0, size = params.size(); i < size; i++) { ...
<!-- | Set the name of the XSQL Connection Manager Factory | implementation. The class must implement the | oracle.xml.xsql.XSQLConnectionManagerFactory interface. | If unset, the default is to use the built-in connection | manager implementation in | oracle.xml.xsql.XSQLConnectionManagerF...
The connection string is parsed immediately after being set. If errors in syntax are found when parsing, a runtime exception, such asArgumentException, is generated. Other errors can be found only when an attempt is made to open the connection. ...
我们有数万个离线任务,主要还是默认的DataPhin调度CDP集群的Hive On Tez这种低成本任务,当然也有PySpark、打Jar包的Spark和打Jar包的Flink任务这种高成本的任务【Java和Scala都有】。毕竟SQL上手门槛极低,是个人都能写几下并且跑起来,还可以很容易看到run成功的数据长得
publicstaticvoidJDBCexample(String userid,String passwd){try(// 获取连接// 参数1,通信协议:主机名称:端口号:使用的特定数据库// 参数2,数据库用户标识// 参数3,密码Connection conn=DriverManager.getConnection("jdbc:oracle:thin:@db.yale:edu:1521:univdb",userid,passwd);// 创建一个Statement(在获取连...