SQL开始 select t2.owner||'.'||t2.TABLE_NAME 源表名, 'dl_{0}_seq.'||'tt_{1}_'||lower(t2.table_name) hive表名, nvl(t3.comments,'{2}') hive表注释, lower(t2.COLUMN_NAME) 字段名, t2.DATA_TYPE 源类型, case then 'string' and t2.DATA_PRECISION is null and t2.DATA_SCALE is n
Hive history table mapping create table fdl_family as select * from (select 'acc1' as account,'family1' as family,'2010-01-01' as effect_date from nums where num<1 union all select 'acc1' as account ,'family2' as family,'2013-01-01' as effect_date fr
# Oracle 建立hive外部表 使用oracle的大数据连接器向建立hive的外部表,在通过在oracle中根据外部表建立内部表(create table as select * from external_table)即可实现hive表向oracle导出. ## Steps 1. 登陆141 fast用户,进入程序目录: ```shell # login to fast@10.92.59.141 cd cd /home/fast/luohai/loadmr2ora/bin ``` 2.
public class Test{public static void main (String args []){ java.util.Date a = new java.util.Date();System.out.println(a);java.sql.Date b = new java.sql.Date(a.getTime());System.out.println(b);java.sql.Time c = new java.sql.Time(a.getTime());System.o
mysql日期和字符相互转换方法, date_format(date,'%Y-%m-%d') -------------->oracle中的to_char(); str_to_date(date,'%Y-%m-%d') -------------->oracle中的to_date(); sql = "SELECT * FROM emp WHERE empno LIKE ? OR ename LIKE ? OR job LIKE ? OR date_format(hiredat
