The syntax for the FOR Loop is: FOR loop_counter IN [REVERSE] lowest_number..highest_number LOOP {.statements.} END LOOP; You would use a FOR Loop when you want to execute the loop body a fixed number of times. 译:当你需循环体执行一定的次数的时候,就可以使用FOR Loop。 Let's take ...
The syntax for theCURSOR FOR Loopis: FOR record_index incursor_name LOOP {.statements.} END LOOP; You would use aCURSOR FOR Loopwhen you want to fetch and process every record in a cursor. TheCURSOR FOR Loopwill terminate when all of the records in the cursor have been fetched. 译:当...
2.2 PL/SQL block TESTUSER@FREEPDB1>DECLAREiNUMBER;2BEGIN3FORiIN1..5LOOP4DBMS_OUTPUT.PUT_LINE('i的值为: '||i);5ENDLOOP;6END;7/i的值为:1i的值为:2i的值为:3i的值为:4i的值为:5PL/SQLproceduresuccessfullycompleted.-- 使用runTESTUSER@FREEPDB1>run1DECLAREiNUMBER;2BEGIN3FORiIN1..5...
for idx in 1 .. i_name.count loop dbms_output.put_line(i_name(idx)); end loop; end; 游标变量 游标变量的使用范围 Pass a cursor variable back to the host environment that called the program unit—the result set can be “consumed” for display or other processing. Construct a result se...
Step1. 语法检查(syntax check) 检查此sql的拼写是否语法。 Step2. 语义检查(semantic check) 诸如检查sql语句中的访问对象是否存在及该用户是否具备相应的权限。 Step3、对sql语句进行解析(parse) 利用内部算法对sql进行解析,生成解析树(parse tree)及执行计划(execution plan)。
for I In 1 ..1000 loop execute immediate ‘insert into test values(:i)’ using i; end loop; commit; begin proc1 end; 3.4 SQL语句的处理过程 语法检查:syntax check 语义检查:semantic check --诸如检查sql语句中的訪问对象是否存储,该用户是否具备对应的权限。
To turn on syntax folding, issue the following commands to enable folding and reload the syntax file::let plsql_fold = 1 :set syntax=plsqlIf you habitually do not put the procedure/function name in the END statement of the definition, you might want to disable folding for procedures with...
Unfortunatly it seems we can not do a CTAS when using the syntax enhancement, so two commands are used: create + insert. 1 2 create table e for exchange with table b; insert into e select * from a partition for (9); Side note: Because the table is interval partitioned, here “...
I have been using version 15 for about a week now. It has occasionally crashed without any warning or messages. Today, it often "freezes".The freeze occurs when I have a syntax error in my SQL and click run. It takes a minute or two before I get the Error window. The status bar ...
END LOOP; l_json.put('receivablesInvoiceLines',l_children); END LOOP; envelope := l_json.to_clob; 在上面的代码中,l_children.append部分导致了错误。 这是错误 Error report - ORA-40441: JSON syntax error ORA-06512: at "SYS.JDOM_T", line 4 ...