insert into tableA (name,age,teacher,school) select b.studentname, b.age,’陈大文’,‘光明中学’ from tableB b where b.id>30
Second, you don´t have to convert the string in a date, you could use the string and the function TO_DATE in the query, below you have an example : <db:insert config-ref="Oracle_Configuration" doc:name="Database"> <db:parameterized-query><![CDATA[insert into TABLE1 (COLUMN1, TE...
1、新建表 create table ACCT_LOAN ( data_date INTEGER not null, --整数,也可以约束数字最大位数,不可为空 acct_num VARCHAR2(35) not null, --可变长度的字符串(包含数字。字母及特殊字符) curr_cd CHAR(3), --固定长度为3的字符串(可包含数字,字母及特殊字符) drawdown_dt DATE, --日期 loan_am...
connect to yth identified by yth ---数据库ora1的用户名和密码 using '(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL= TCP) (HOST=192.0.0.1) (PROT = 1521)))(CONNECT_DATA = (SERVICE_NAME=orcl)))'; 2.插入数据语句: insert into table2 select * from table1@dba_like_ora ---把ta...
INSERT OVERWRITE: clears a specified table or static partitions and inserts data into the table or the static partitions of the table. Note TheINSERTsyntax in MaxCompute is different from that in MySQL or Oracle.You must add theTABLEkeyword andtable_nameafterINSERT OVERWRITE. You do ...
MaxCompute的INSERT语法与通常使用的MySQL或Oracle的INSERT语法有差别。在INSERT OVERWRITE后需要加TABLE关键字,非直接使用table_name。INSERT INTO可以省略TABLE关键字。 在反复对同一个分区执行INSERT OVERWRITE操作时,您通过DESC命令查看到的数据分区Size会不同。这是因为从同一个表的同一个分区SELECT出来再INSERT OVERWRIT...
insert into tab1 select * from tab2; commit; 这是最基础的insert语句,我们把tab2表中的数据insert到tab1表中。根据经验,千万级的数据可在1小时内完成。但是该方法产生的arch会非常快,需要关注归档的产生量,及时启动备份软件,避免arch目录撑爆。 2. alter table tab1 nologging; insert /*+ append */ in...
INTOROW_NUMBER; IF ROW_NUMBER > 0 THEN col_str := ''; select_str := ''; FORy IN (SELECTcolumn_name, data_type FROMuser_tab_columns WHEREtable_name = x.table_name AND data_type != 'BLOB' ORDERBYcolumn_id) LOOP col_str := col_str || y.column_name || ','; ...
I am trying to insert a date column into my oracle database. Here is the database table that I created create table item_sample_date ( item varchar2(50), descr varchar2(50), uom number(5,6), creation_date date ) Here is the expression I used for conve...
Oracle INSERT Summary: in this tutorial, you will learn how to use the OracleINSERTstatement to insert data into a table. Introduction to Oracle INSERT statement To insert a new row into a table, you use the OracleINSERTstatement as follows:...