以下功能都通过一个连接参数配置,支持的参数如下表所示。所有的新增参数的生效范围都控制为连接级别,随Connection的生命周期生效。 参数名 说明 autoCommit 开启或关闭参数形式的自动提交。取值如下: true(默认):开启参数形式的自动提交。 false:关闭参数形式的自动提交。 autoCommitSpecCompliant
usedGB 已使用,usedNonDFSGB 非HDFS使用 from hdfsData limit1];nested exception is java.sql.SQLException:You have an errorinyourSQLsyntax;check the manual that
Java 複製 String connectionUrl = "jdbc:sqlserver://<server>:<port>;encrypt=true;user=<user>;password=<password>;columnEncryptionSetting=Enabled;keyVaultProviderClientId=<ClientId>;keyVaultProviderClientKey=<ClientKey>"; 當連線屬性中存在這些認證時,JDBC 驅動程式會自動具現化 SQLServerColumnEncryptionAz...
公共类 SomeREF 实施 java.io.Serializable { String typeName; byte[] bytes; public SomeREF (oracle.sql.REF ref) throws SQLException { this.typeName = ref.getBaseTypeName (); this.bytes = ref.getBytes (); } public oracle.sql.REF toREF (Connection conn) throws SQLException { return new orac...
1、Caused by: java.net.ConnectException: Connection refused: connect : 服务没开2、Exceptioninthread"main"java.lang.ClassNotFoundException: com.mysql.jdbc.Driver :找不到驱动3Exceptioninthread"main"java.sql.SQLException:Accessdeniedforuser'root'@'localhost' (using password: YES) 账号或密码错误 ...
packagecom.xurong1.connection;importorg.junit.Test;importjava.io.InputStream;importjava.sql.Connection;importjava.sql.Driver;importjava.sql.DriverManager;importjava.sql.SQLException;importjava.util.Properties;/** * @auther xu * @date 2022/4/20 - 10:35 ...
The name of the vendor-supplied JDBC driver class. This driver should implement thejava.sql.Driverinterface. --matchconnections Specifies whether a connection that is selected from the pool should be matched by the resource adaptor. If all the connections in the pool are homogenous, a connection...
public class SomeREF implements java.io.Serializable { String typeName; byte[] bytes; public SomeREF (oracle.sql.REF ref) throws SQLException { this.typeName = ref.getBaseTypeName (); this.bytes = ref.getBytes (); } public oracle.sql.REF toREF (Connection conn) throws SQLException { return...
To configure advanced features such as connection pooling and prepared statement caching, or to configure the underlying JDBC driver, use the following optional properties. The syntax of these property strings follows the syntax of Kodo plugin parameters described inSection 2.4, “Plugin Configuration”...
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2531) - locked com.mysql.jdbc.JDBC4Connection@178ec6c at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4852) - locked com.mysql.jdbc.JDBC4Connection@178ec...