(SELECT K011H FROM K01 kk WHERE kk.E01A1 = k.K0118)PARENT_POSITION_CODE,(SELECT og.codeitemdesc FROM organization og, K01 kk WHERE og.corCode = kk.K011H AND kk.E01A1 = k.K0118)PARENT_POSITION_NAME,(SELECT cd.codeitemdesc FROM codeitem cd, K01 kk WHERE cd.codeseti...
Single-row functions return a single result row for every row of a queried table or view. These functions can appear in select lists,WHEREclauses,STARTWITHandCONNECTBYclauses, andHAVINGclauses. 单行函数返回查询表或视图的每一行的单一结果行。单行函数可以出现在SELECT列中,WHERE子句,START WITH 和CON...
SQL> select a.username,(select b.object_id from t2 b where a.username=b.owner) from t1 a; select a.username,(select b.object_id from t2 b where a.username=b.owner) from t1 a * ERROR at line 1: ORA-01427: single-row subquery returns more than one row 这里由于a.username=b.owne...
SELECT employee_id, last_name FROM employees WHERE salary = (SELECT MIN(salary) FROM employees GROUP BY department_id); ERROR at line 4: ORA-01427: single-row subquery returns more than one row 多行子查询使用单行比较符子查询中的空值问题SELECT last_name, job_id FROM employees WHERE job_id...
--1.union all SELECT rowno=ROW_NUMBER() OVER(ORDER BY name), * FROM ( SELECT name, [type] = N'type1', [amount] = type1 FROM #temp UNION ALL SELECT name, [type] = N'type2', [amount] = type2 FROM #temp ) T --2.unpivot SELECT rowno=ROW_NUMBER() OVER(ORDER BY name), ...
java.sql.SQLException: ORA-01427: single-row subquery returns more than one row 我⼀看到这个错误的第⼀反应就是应该是sql语句的问题，然后开发同事反馈这个程序已经⽤了蛮长时间了，现在突然报出了错误。简单沟通之后，我得到了对应的sql语句。SELECT ID, PROJECTNAME, GRAPH, TYPE, PERSON, RECORDTIME, ...
PL/SQL语句块里，单独的select语句必须和into语句成对出现。语法如此 返回结果集 需要用到游标。单独的过程不能是一个查询语句。即使这样 也报错的 begin select * from tablea ; end;这样:as cursor c_cur is select * from tablea;begin open c_cur;end ;...
publicvoidReadMyData(stringconnectionString){stringqueryString ="SELECT EmpNo, DeptNo FROM Scott.Emp";using(OracleConnection connection =newOracleConnection(connectionString)) { OracleCommand command =newOracleCommand(queryString, connection); connection.Open(); OracleDataReader reader = command.ExecuteReader...
当执行一条SQL语句时,产生的对其他SQL语句的调用,这些额外的语句称之为''recursive calls''或''recursive SQL statements''. 我们做一条insert 时,没有足够的空间来保存row记录,Oracle 通过Recursive Call 来动态的分配空间。 DB Block Gets:Number of times a CURRENT block was requested. ...
Delete rowOperation ID: DeleteItem This operation deletes a row from a table. Parameters 展開資料表 NameKeyRequiredTypeDescription Table name table True string Name of table Row id id True string Unique identifier of the row to delete ...