1. EXECUTE IMMEDIATE将不会提交一个DML事务执行,应该在完成前显式提交或者作为EXECUTE IMMEDIATE自己的一部分.假如通过EXECUTE IMMEDIATE处理DDL命令,它提交所有以前改变的数据 2.不支持返回多行的查询,这种交互将用临时表来存储记录(参照例子如下)或者用REF cursors. 3. 当执行SQL语句时,不要用分号,当执行PL/SQL块...
EXECUTE IMMEDIATE v_sql INTO ov_totalRecords;
EXECUTE IMMEDIATE v_Sql INTO v_Count; Dbms_Output.Put_Line(v_Count); END; I want to create a similar logic in Mysql. I know in mysql while executing statement using ‘prepare—execute’ clause, where we can pass a variable by 'USING' clause, but how could I store the output into a...
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'; EXECUTE IMMEDIATE V_SQL; INTO V_NUM;--EXECUTE IMMEDIATE用法3:带参数的sql V_SQL :='select * from employees e where e.employee_id = :1 and first_name = :2'; ...
-- 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_...
--- 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_...
execute immediate 'insert into dept vals (:1, :2, :3)' using 50, l_depnam, l_loc; commit; end; 1. 2. 3. 4. 5. 6. 7. 8. 3. 从动态语句检索值(INTO子句) Sql代码 declare l_cnt varchar2(20); begin execute immediate 'select count(1) from emp' ...
您好,您这样试试:[php]SQL> conn study/study 已连接。SQL> set serveroutput on SQL> declare 2 v_count number;3 begin 4 execute immediate 'select count(*) from toms' into v_count;5 dbms_output.put_line('v_count='||v_count);6 end;7 / v_count=2 PL/SQL ...
execute immediate ‘insert into dept val s (:1, :2, :3)’ using 50, l_depnam, l_loc; commit; end; 从动态语句检索值(INTO子句) Sql代码 declare l_cnt varchar2(20); begin execute immediate ‘select count(1) from emp’ into l_cnt; ...
EXECUTE IMMEDIATE v_Sql INTO v_Count; Dbms_Output.Put_Line(v_Count); END; I want to create a similar logic in Mysql. I know in mysql while executing statement using ‘prepare—execute’ clause, where we can pass a variable by 'USING' clause, but how could I store the output into a...