PL/SQL中执行字符串SQL(表名)--execute immediate的简单用法(oracle)

execute immediate的简单用法(oracle)

create or replace procedure proc_test(
--参数区域
)
is
--变量区域
--sql脚本
v_sql varchar2(2000) :='';
--记录学生数量
v_num number;
begin
--执行区域

-- execute immediate用法1：立刻执行sql语句
v_sql := 'create or replace view myview as select id,name from student';
execute immediate v_sql;

--- 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';
execute immediate v_sql into v_num;

-- execute immediate用法3：带参数的sql
v_sql:='select * from student t where t.name=:1 and t.age=:2';
execute immediate v_sql using 'ZhangSan',23;

end proc_test;
/