是的,Oracle的INSERT INTO语句支持使用子查询来插入数据。可以在INSERT INTO语句中使用SELECT子查询来获取要插入的数据。例如: INSERT INTO table_name (column1, column2, column3) SELECT column1, column2, column3 FROM another_table WHERE condition; 复制代码 在这个例子中,SELECT子查询会从另一个表中选择数...
--这里还可以使用 BADFILE、DISCARDFILE 来指定坏数据和丢弃数据的文件,truncate--操作类型,用 truncate table 来清除表中原有记录INTOTABLEusers--要插入记录的表Fields terminatedby","--数据中每行记录用 "," 分隔Optionally enclosedby'"'--数据中每个字段用 '"' 框起,比如字段中有 "," 分隔符时trailing ...
INSERT INTO table_name (column1, column2, column3, ...) SELECT column1, column2, column3, ... FROM another_table WHERE condition; 这将从另一个表中选择满足条件的行,并将它们插入到目标表中。 使用序列: 在Oracle中,序列是一种生成唯一数值的对象。可以在INSERT INTO语句中使用序列来插入唯一的数...
SQL> select table_name,tablespace_name fromuser_tables; TABLE_NAME TABLESPACE_NAME --- --- HS_ALBUMINBOX BJBBS ... JIVETHREAD BJBBS JIVETHREADPROP BJBBS JIVEUSER BJBBS JIVEUSERPERM BJBBS TMZOLDUSER2 BJBBS 2、使用indexfile进行导入 在有些特殊的情况下(如创建对象时强制指定非缺省表空间),以上的...
二、INSERT语句 INSERT INTO tablename [(column [,column ...])] VALUES (value [,value ...]) INSERT INTO tablename [(column [,column ...])] SELECT column [,column ...] FROM another_tablename WHERE clause SQL> select * from dept; ...
log <<EOF DECLARE v_cc number; CURSOR v_tbl IS SELECT owner,table_name FROM dba_tables WHERE OWNER='${c}'; BEGIN FOR c IN v_tbl LOOP EXECUTE IMMEDIATE 'SELECT COUNT(*) FROM '||c.owner||'.'||'"'||c.table_name||'"' INTO v_cc; INSERT INTO TABLE_HASH VALUES(c.owner,c....
sharedcursor 和child cursor 存放在library cache,而library cache 是用hash table 来存放的,hash table 又是由一系列buckets 组成。 huckets 指向library chache object handle,handle 指向一个library cache object,即heap 0. 这个就是parent。 heap 0里保存了hash 值和所有child cursor 的地址。 parent cursor ...
Insert rowOperation ID: PostItem This operation inserts a new row into a table. Parameters 展開資料表 NameKeyRequiredTypeDescription Table name table True string Name of table Row item True dynamic Row to insert into the specified table Returns The outputs of this operation are dynamic. ...
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. ...
You might want to display a larger view, or you might want decrease the size of a view to make room for inserting another view. To resize a view in a report: 1. In a report you are editing, select the view to resize. The view displays selection handles. 2. Click a selection ...