标签：select pre line values -- ack color tab div
SQL> declare 2 c_tax_rate number(3,2):=0.03; 3 v_name varchar2(20); 4 v_passwd varchar2(20); 5 v_sale number(7,2); 6 v_tax_sale number(7,2); 7 begin 8 select name,passwd,salary into v_name,v_passwd,v_sale from mytest where id=&inpt; 9 v_tax_sale:=v_sale*c_tax_rate; 10 dbms_output.put_line(‘name:‘||v_name||‘ passwd:‘||v_passwd||‘ taxsale:‘||v_tax_sale); 11 end; 12 / name:123 passwd:123 taxsale:3 PL/SQL procedure successfully completed
在声明变量的时候可以设置类型为动态的取表中的字段的类型一致
SQL> insert into mytest values(‘4‘,‘125555‘,‘passwd‘,‘50‘); 1 row inserted SQL> select * from mytest; ID NAME PASSWD SALARY ----- -------------------- -------------------- -------------------------------------------------------------------------------- 1 123 123 100 2 gaodingle!!!! 123 100 3 gagaga 123 100 4 125555 passwd 50 SQL> SQL> declare 2 c_tax_rate number(3,2):=0.03; 3 v_name varchar2(4); 4 v_passwd varchar2(20); 5 v_sale number(7,2); 6 v_tax_sale number(7,2); 7 begin 8 select name,passwd,salary into v_name,v_passwd,v_sale from mytest where id=&inpt; 9 v_tax_sale:=v_sale*c_tax_rate; 10 dbms_output.put_line(‘name:‘||v_name||‘ passwd:‘||v_passwd||‘ taxsale:‘||v_tax_sale); 11 end; 12 / declare c_tax_rate number(3,2):=0.03; v_name varchar2(4); v_passwd varchar2(20); v_sale number(7,2); v_tax_sale number(7,2); begin select name,passwd,salary into v_name,v_passwd,v_sale from mytest where id=4; v_tax_sale:=v_sale*c_tax_rate; dbms_output.put_line(‘name:‘||v_name||‘ passwd:‘||v_passwd||‘ taxsale:‘||v_tax_sale); end; ORA-06502: PL/SQL: 数字或值错误 : 字符串缓冲区太小 ORA-06512: 在 line 9 SQL> SQL> declare 2 c_tax_rate number(3,2):=0.03; 3 v_name mytest.name%type; 4 v_passwd varchar2(20); 5 v_sale number(7,2); 6 v_tax_sale number(7,2); 7 begin 8 select name,passwd,salary into v_name,v_passwd,v_sale from mytest where id=&inpt; 9 v_tax_sale:=v_sale*c_tax_rate; 10 dbms_output.put_line(‘name:‘||v_name||‘ passwd:‘||v_passwd||‘ taxsale:‘||v_tax_sale); 11 end; 12 / name:125555 passwd:passwd taxsale:1.5 PL/SQL procedure successfully completed
SQL> declare 2 --定义一个pl/sql记录类型叫做 test_record_type 可以理解为定义一个类，这个类型中包括了name,passwd,salary 3 type test_record_type is record (name mytest.name%type,passwd mytest.passwd%type,salary_gaga mytest.salary%type); 4 --定义一个变量这个变量是test_record_type类型 好比类new一个对象 5 sp_record test_record_type; 6 begin 7 select name,passwd,salary into sp_record from mytest where id=&inpt; 8 dbms_output.put_line(‘name:‘||sp_record.name||‘ salary:‘||sp_record.salary_gaga); 9 end; 10 / name:123 salary:100
SQL> declare 2 type sp_test_table is table of mytest.name%type index by binary_integer; 3 test_table sp_test_table; 4 begin 5 select name into test_table(0) from mytest where id=&inpt; 6 dbms_output.put_line(‘name:‘||test_table(0)); 7 end; 8 / name:gagaga PL/SQL procedure successfully completed
标签：select pre line values -- ack color tab div
原文地址：http://www.cnblogs.com/lingyejun/p/7096058.html
