execute immediate v_sql; 1. 2. 3. 2.执行sql语句,并赋值给某个变量 v_sql := 'select name from Test'; execute immediate v_sql into v_name; 1. 2. 3.执行带参数的sql v_sql:='select * from Test where name=:1 and age=:2'; execute immediate v_sql using 'lw112190',20; 1. 2....
sql DECLARE v_sql VARCHAR2(4000); BEGIN -- 示例1:插入数据 v_sql := 'INSERT INTO employees (employee_id, first_name, last_name) VALUES (:1, :2, :3)'; EXECUTE IMMEDIATE v_sql USING 1001, 'John', 'Doe'; -- 示例2:更新数据 v_sql := 'UPDATE employees SET salary = :1 WHERE ...
execute immediate 'sql_select' into var_1, var_2; execute immediate 'sql' using [in|out|in out] bind_var_1, [in|out|in out] bind_var_2; execute immediate 'sql_select' into var_1, var_2 using [in|out|in out] bind_var_1, [in|out|in out] bind_var_2; execute immediate 's...
’; execute immediate v_sql using &1,&2; end; 3)、处理包含returning子句的DML语句 说明:使用execute immediate...处理带有returning子句的DML语句时,只能处理作用在单行上的DML语句; 如果DML语句作用在多行上,则必须使用bulk子句,此种情况下之后讲述。...2、在execute ...
--- execute immediate用法2:立刻执行sql语句,并赋值给某个变量v_sql :='select count(1) from student';executeimmediate v_sqlintov_num;--execute immediate用法3:带参数的sqlv_sql:='select * from student t where t.name=:1 and t.age=:2';executeimmediate v_sql using'ZhangSan',23;endproc_...
executeimmediate v_sql using in '1',in '2',out c; --或executeimmediate v_sql using '1', '2',out c; dbms_output.put_line(c); end; 。。。 --第N个 begin -- end; EXECUTEIMMEDIATE代替了以前Oracle8i中DBMS_SQL package包.它解析并马上执行动态的SQL语句或非运行时创建的PL/SQL块.动态...
ExecuteImmediatev_sql Using10; Commit; End; --动态命令的实用参考一（select..into） --Executeimmediate命令在使用into关键字时与静态的plsql块中 --into关键字使用方法上的区别。 declare v_resultvarchar2(20); begin executeimmediate'selectdnamefromscott.deptdwhered.deptno=:1'Intov_result--:1这...
BEGIN--EXECUTE IMMEDIATE用法1:立刻执行 V_SQL :='create or replace view mytest as select employee_id, first_name from employees'; EXECUTE IMMEDIATE V_SQL;--EXECUTE IMMEDIATE用法2:立刻执行,并赋值给某变量 V_SQL :='select count(1) from employees'; ...
示例2:使用EXECUTE IMMEDIATE执行一条SQL UPDATE语句 ```sql DECLARE v_sql VARCHAR2(1000); BEGIN v_sql := 'UPDATE employees SET salary = salary * 1.1 WHERE hire_date < :1'; EXECUTE IMMEDIATE v_sql USING SYSDATE - 365; DBMS_OUTPUT.PUT_LINE('Salary updated successfully'); END; ``` 在使...
在Oracle存储过程中使用EXECUTE IMMEDIATE USING实现参数化查询的步骤如下: 步骤1: 声明变量和动态SQL语句 首先,在存储过程中声明需要使用的变量,并准备一个包含动态SQL语句的字符串。 例如: ``` DECLARE v_param1 VARCHAR2(100); v_param2 NUMBER; v_query_string VARCHAR2(200); BEGIN v_param1 := 'John...