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....
execute immediate 用法小结 1.常规用法 v_sql varchar2(1000); v_sql :='update Test set name= ''lw112190'' where id= 1';executeimmediate v_sql; 2.执行sql语句,并赋值给某个变量 v_sql :='select name from Test';executeimmediate v_sqlintov_name; 3.执行带参数的sql v_sql:='select * ...
Declare v_sid Integer:=20020101; v_sql Varchar2(100); v_result Varchar2(50); begin v_sql:='select count(1) from ST_STBPRP_B where 1=1 and STCD = :1'; dbms_output.put_line(v_sql); Execute Immediate v_sql into v_result using '0101' ; commit; dbms_output.put_line('结果为:...
EXECUTE IMMEDIATE v_sql INTO v_emp_record USING v_department_name; 现在v_emp_record包含了查询结果 DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_record.name); END; 在这个例子中,我们使用了USING子句来传递v_department_name变量到动态SQL中,替换了:dept占位符。 注意事项 动态SQL的使用需要谨慎,...
count(*)) from tb_web_ticketreturn t where t.fromstationid = '||iv_fromStation||'and t.returndate between to_date('''||iv_beginDate||''',''yyyy-mm-dd'')and to_date('''||iv_endDate||''',''yyyy-mm-dd'')';EXECUTE IMMEDIATE v_sql INTO ov_totalRecords;...
这是因为在执行execute immediate v_sql into xxx的时候存储过程出现异常了,导致后面的循环终止了。 我们可以采用异常处理来解决。 需求将没有匹配到的值,打个标识来标记。 create or replace procedure test_p() is declare cursor datas is select name from test1; ...
v_Sql := ' Select count(1) from ' || v_Tab_Name; 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 ...
1EXECUTE IMMEDIATE oracle中DBMS_SQL package包和EXECUTE IMMEDIATE都可以用来解析并执行动态SQL语句或非运行时创建的PL/SQL块,相比较而言,EXECUTE IMMEDIATE使用较简单,能够满足较常用的需要。 1.1语法 EXECUTE IMMEDIATE v_sql[BULK COLLECT INTO或INTO返回值变量] [INTO入参1,.., out出参1,..]。
EXECUTE IMMEDIATE v_sql; END; 1. 动态插入数据: 2. sql复制代码 DECLARE v_sql VARCHAR2(1000); v_value NUMBER := 100; BEGIN v_sql := 'INSERT INTO MY_TABLE (id) VALUES (:1)'; EXECUTE IMMEDIATE v_sql USING v_value; END; 1. 动态查询: 2. sql复制代码 DECLARE v_sql VARCHAR2(1000...
1 在pl sql中都是可以直接执行DML语句的。例如：select * from table。2 同时你可以这样去执行。execute immediate ‘select * from table’ into cursor。3 利用execute去执行DML或者DDL语句是比较灵活的。为什么呢？因为它可以执行动态的sql语句。4 例如：select * from table where column=变量。这个时候可以用...