--查询某个用户下的表,并生成一个修改其命名空间的批处理语句
select ‘alter table ‘|| table_name ||‘ move tablespace 要迁入的表空间;‘ from dba_tables t where t.owner=‘要迁出的表归属的用户名‘; 补充:--查询当前库下所有的表
SELECT * FROM DBA_TABLES
--可以加入筛选条件
SELECT * FROM DBA_TABLES WHERE TABLE_NAME LIKE ‘EM_%‘
SELECT * FROM DBA_TABLES WHERE OWNER=‘某个用户名‘;
--查询用户表
SELECT...
MySQL在Linux下数据库名、表名、列名、别名大小写规则是这样的:
2 1、数据库名与表名是严格区分大小写的;
3 2、表的别名是严格区分大小写的;
4 3、列名与列的别名在所有的情况下均是忽略大小写的;
5 4、字段内容默认情况下是大小写不敏感的。=========================================================================================================mysql中timestamp相关、日期时间相关:
mysql中timestam...
批量插入 --><insert id="saveNotificationPushInfo" parameterClass="java.util.List"><![CDATA[INSERT ALL]]><iterate conjunction="" >into notification_push_info(push_log_no,business_book, employee_id, notification_no,push_flag, push_time)values(bep_seq_package.fetch_seq(‘NOTIFICATION_PUSH_INFO‘,‘PUSH_LOG_NO‘,‘BEPDATA‘),#list[].businessBook:varchar#,#list[].employeeId:varchar#,#list[].notificatio...
alter table 表名 modify (字段名1 字段类型1(长度1),字段名2 字段类型2(长度2))
alter table 表名 modify column_name varchar2(32) alter table 表名 modify (column_name1 varchar(20) default null,column_name2 varchar2(30));oracle批量修改字段长度标签:column lte rac 批量修改 var table odi ble har 本文系统来源:https://www.cnblogs.com/shaozhihao/p/11383018.html
DECLARECURSOR TEMP IS SELECT CREDITZS_CODE,ATTRIBUTE_CODE,ATTRIBUTE_INFO_TYPE,T.ID FROM CREDIT_DIRECTORY_ATTRIBUTE T,CREDIT_DIRECTORY_TREE E WHERE T.TREE_ID=E.ID AND ATTRIBUTE_INFO_TYPE=‘number‘AND ATTRIBUTE_CODE IN(‘CF_NR_FK‘,‘CF_NR_WFFF‘);STR VARCHAR2(100) := ‘‘;ATT NUMBER;BEGIN FOR S IN TEMP LOOPSTR := ‘ALTER TABLE ‘||S.CREDITZS_CODE||‘ MODIFY(‘||S.ATTRIBUTE_CODE||‘ NUMBER(30,4)...
FOR cur IN (select t.tagcode as code,t.tagname as names from YJX_SER_PARAME p,yjx_tag t where p.label_code = t.tagcode order by t.tagcode) loop update YJX_SER_PARAME set label_name =cur.names where label_code= cur.code;END loop ;
END ;-- ----------------------------
UPDATE student sSET s.name = (SELECT b.name FROM boy b WHERE s.id = b.id AND s.name != b.name)WHERE EXISTS (SELECT 1 FROM boy b WHERE...
一.oracle 批量添加
1.xml中写插入sql<insert id="insertTableList" parameterType="java.util.List">INSERT ALL<foreach collection="list" item="element" index="index" >INTO t_temp(ID,REMARK,CRATE_DATE,RES1,RES2,RES3,RES4,RES5)values(#{element.id},#{element.remark},#{element.crateDate},#{element.res1},#{element.res2},#{element.res3},#{element.res4},#{element.res5})</foreach>SELECT * FROM dual
</insert>2....
DECLARECURSOR TEMP IS SELECT CREDITZS_CODE,ATTRIBUTE_CODE,ATTRIBUTE_INFO_TYPE,T.ID FROM CREDIT_DIRECTORY_ATTRIBUTE T,CREDIT_DIRECTORY_TREE E WHERE T.TREE_ID=E.ID AND ATTRIBUTE_INFO_TYPE='number'AND ATTRIBUTE_CODE IN('CF_NR_FK','CF_NR_WFFF');STR VARCHAR2(100) := '';ATT NUMBER;BEGIN FOR S IN TEMP LOOPSTR := 'ALTER TABLE '||S.CREDITZS_CODE||' MODIFY('||S.ATTRIBUTE_CODE||' NUMBER(30,4))';ATT :=1;BE...
Oracle 批量修改字段长度
SELECT? 'alter table '||a.table_name||' MODIFY? '||A.COLUMN_NAME||' VARCHAR2(100);'
??????? , A.table_name,A.COLUMN_NAME,A.DATA_TYPE,A.DATA_LENGTH,A.*
from user_tab_columns? A
WHERE A.COLUMN_NAME='CREATE_USER' AND a.DATA_LENGTH<=20;
?
DECLARE CURSOR CUR IS SELECT * FROM USER_TAB_COLUMNS WHERE COLUMN_NAME=CREATE_USER; STR VARCHAR2(8000):=; BEGIN FOR COL IN CUR LOO...
昨天用户那里说数据出毛病了,于是乎就被大佬安排去解决这个问题
由于我用oracle比较少,才刚开始实习
那么,给大家分享一下这个问题
客户那里出现一大堆最右边的时间出问题了,出现了2025年,我们需要批量的更改年份
由于oracle没有add_years()这个方法,所以只能用add_months()将就用。
思路是:先查找到需要修改数据的id,然后在修改这些数据
这是语句:
update c_chengdata set tradetime=add_months(tradetime,你要减去的月份...