1.对sql的文法检查，查看是否有文法错误，比如from,select拼写错误等。 2.在数据字典里校验sql涉及的对...
1 row created. SQL> insert into t2 values (1,'digoal'); 1 row created. SQL> insert into t2 values (2,'digoal'); 1 row created. SQL> commit; Commit complete. 下面来写个类似的delete语句 : SQL> delete from (select * from t1,t2 where t1.id=1 and t2.id=t1.id and t2.info='...
83.Oracle数据库SQL开发之 修改表内存——DELETE语句删除行 欢迎转载,转载请标明出处:http://blog.csdn.net/notbaron/article/details/49975967 DELETE语句用于从表中删除行,通常应该使用WHERE子句来限定想要删除哪些行。如果不指定WHERE子句,那么就会删除所有的行。 例如: store@PDB1> delete from customers wherecusto...
Oracle Database PL/SQL Language Referencefor information on using theBULKCOLLECTclause to return multiple values to collection variables "Using the RETURNING Clause: Example" error_logging_clause Theerror_logging_clausehas the same behavior inDELETEstatement as it does in anINSERTstatement. Refer to ...
EXEC SQL for :delete_rows delete FROM table_name WHERE a= :a; 由于char对应于Oracle的char类型,因此若有空格,则此时char即使用memset初始化,但也会带有后面的空格,有可能造成delete时where a=:a由于空格不匹配无法删除,例如:a赋值为'a’,但数组长度是3,因此实际where条件是a='a ',因为空格导致不能删除...
In this example it will delete one row. This query will work in all variations of SQL: Oracle, SQL Server, MySQL, PostgreSQL, and more. You’ll get an output like this: 1 row(s) deleted. Here’s what the table will look like after the row is deleted: id product_name price ...
alter table 表名 enable row movement; 然后再次执行上面SQL即可; 二:根据数据库SCN恢复数据 1、查询当前数据库SCN号 select current_scn from v$database;(不能执行的话,切换到sys用户或system用户查询) 查询到的当前值为:91799986 2、缩小SCN号查询被删除表数据(若无数据继续缩小SCN,由于数据库操作不止一人,SC...
SQL>createglobaltemporarytabletemp_table_session (idint, valuevarchar2(10))oncommitpreserve rows;Tablecreated SQL>insertintotemp_table_sessionvalues(1,111);---插入数据1row inserted SQL>insertintotemp_table_sessionvalues(2,112);1row inserted ...
SQLgt; insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description) 2 values(02,Alison, Mathews, to_dateYYYYMMDD), to_dateYYYYMMDD), 6661.78, Vancouver,Tester) 3 / 1 row created. SQLgt; insert into Employee(ID, First_Name, Last_Name, Start_Date,...
1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description) 2 values('07','David', 'Larry', to_date('19901231','YYYYMMDD'), to_date('19980212','YYYYMMDD'), 7897.78,'New York', 'Manager') ...