使用JDBC执行create table as语句报错 ERROR: relation "xx" already exists 问题分析:JDBC调用preparedStatement.getParameterMetaData()时会发送P报文,该报文会在数据库中创建表,导致execute执行时报表已存在。 处理方法:使用preparedStatement时,建议将CREATE TABLE AS拆开执行或者使用resultSet.getMetaData()。
> CREATE TABLE names(name STRING, first_name STRING, id STRING COLLATE UTF8_BINARY) DEFAULT COLLATION UNICODE_CI; -- Create an external table connected to Oracle > CREATE TABLE IF NOT EXISTS ora_tab USING ORACLE OPTIONS ( url '<jdbc-url>', dbtable '<table-name>', user '<usern...
2.在JDBC中调用,如果返回的是table变量 Java代码 public void SelectAgus(String sql) { OracleCallableStatement call = null; try { call = (OracleCallableStatement) con.prepareCall(sql); //如果返回的是table则用ARRAY类型,如果返回的是OBJECT的就用STRUCT //第三个参数是定义table的类型名 call.registerOutPar...
When specifying a federated JDBC source, you must also specify theOPTIONSclause with the necessary connection information. SeeQuery databases using JDBCfor more information on querying federated data sources. The following additional file formats to use for the table are supported inDatabricks Runtime: ...
package jdbc; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; import java.sql.Statement; public class CreateTable { public static void main(String[] args) throws SQLException { Statement stmt = null; ...
JDBC Program The JDBC program to create a table is given example. importjava.sql.SQLException;importjava.sql.Connection;importjava.sql.ResultSet;importjava.sql.Statement;importjava.sql.DriverManager;publicclassHiveCreateTable {privatestaticString driverName = "org.apache.hadoop.hive.jdbc.HiveDriver";pu...
import org.apache.flink.table.api.*; /** * @author test */ public class FlinkTableTest { public static void main(String[] args) throws Exception { EnvironmentSettings settings = EnvironmentSettings.inStreamingMode(); //创建table的执行环境 ...
使用JDBC时,支持通过PrepareStatement对DEFAULT值进行参数化设置。 行存表的表级约束不支持外键。 被授予CREATE ANY TABLE权限的用户,可以在public模式和用户模式下创建表。如果想要创建包含serial类型列的表,还需要授予CREATE ANY SEQUENCE创建序列的权限。 XML类型不能作为主键、外键。 如果GaussDB数据库无限创建表,可能...
name="RETENTION"jdbc-type="integer"/></field><field name="parameters"table="TABLE_PARAMS"><map key-type="java.lang.String"value-type="java.lang.String"/><join><column name="TBL_ID"/></join><key><column name="PARAM_KEY"length="256"jdbc-type="VARCHAR"/></key><value><column name...
To create tables, you can run DDL statements in the Athena console, use the Athena Create table form, or use a JDBC or an ODBC driver. Athena uses Apache Hive to define tables and create databases, which are essentially a logical namespace of tables. Athena supports a variety of serializer...