如果您需要它来生成更多动态值,请使用WHERE来匹配特定记录
SQL>SELECTOWNER, TABLE_NAME, OBJECT_TYPE, NUM_ROWS2FROMDBA_TAB_STATISTICS3WHEREOWNER='SCOTT'ANDTABLE_NAME='EMP'; OWNER TABLE_NAME OBJECT_TYPE NUM_ROWS--- --- --- ---SCOTT EMPTABLE14SQL>SELECTCOUNT(*)FROMSCOTT.EMP;COUNT(*)---14 检查DBA_TAB_COL_STATISTICS中表的列的NUM_DISTINCT,LOW_...
This lock, also called a subexclusive table lock (SX), generally indicates that the transaction holding the lock has updated table rows or issued SELECT ... FOR UPDATE. An SX lock allows other transactions to query, insert, update, delete, or lock rows concurrently in the same table. There...
(SELECT...in (105,107) and a.status = 30) 报错:#1054 - Unknown column 'a.order_id' in 'on clause'原因:不能先将select出表中的某些值...,再update这个表(在同一语句中)解决: 将查询的数据创建一个临时表去更新同一个表的数据思路: update 表1 a1 inner join (select 字段1,字段2 from 表...
createtabletest ( transaction_id numberprimarykey, item_id number(8)notnull)partitionbyhash(transaction_id) (partitionpart_01 tablespace tablespace01,partitionpart_02 tablespace tablespace02,partitionpart_03 tablespace tablespace03 ); 在这里,我们指定了每个分区的表空间。
grantupdateanytableto<user>;grantdeleteanytableto<user>;-- Index and view DDL permissionsgrantcreateanyindexto<user>;grantalteranyindexto<user>;grantdropanyindexto<user>;grantcreateanyviewto<user>;grantdropanyviewto<user>;-- Procedure permissionsgrantcreateanyprocedureto<user>;grantexecuteanyprocedure...
Oracle Cloud Infrastructure enables automatic updates on Microsoft Windows Server and uses the default settings for applying Windows patches. You need to update your VCN security list to enable egress traffic for port 80 (http) and port 443 (https) to install patches from Microsoft Windows Update ...
Active data means the display continues to update as the data changes are received in the Oracle BAM Active Data Cache. When designing reports, you can choose from a variety of template layouts. You might want to include two or more views in a single report. Each view is formatted to ...
sqlplusmigration users/password@database service nameselect table_name from user_tables; To resolve an incomplete repository within the Migration Workbench: Create a new tablespace using the default options provided by Oracle Enterprise Manager. Make sure that you have sufficient disk space. ...
Get tables This operation gets tables from a database. Insert row This operation inserts a new row into a table. Update row This operation updates an existing row in a table.Delete rowOperation ID: DeleteItem This operation deletes a row from a table. Parameters 展開資料表 NameKeyRequired...