Several ways in which a function/procedure in Oracle Returns a result set:
In the case of function return, the stored procedure can only be changed to out parameters and passed in the Oracle 10g test.
(1) Return cursor:
The return type is:
A function was created in Oracle that originally wanted to return an index table without success. Think of text can also transfer information, suddenly came to the inspiration, the return value to set the text format.Given that the amount of return
Create or Replace function Real_st_astext ( geom in clob) return clobis geometry clob; Tempgeom clob;begin Geometry: = Upper (Geom); If Geom like ' (((% ' then geometry: = ' Multipolygon ' | | Geom; else if Geom like ' (
Return statementThe return statement is written in the following notation:return expressionThe return statement is used to exit the function, optionally returning an expression to the caller. Return returns none by default without parameters.None is
Related knowledge:
In many cases, access to the database may be encapsulated in a function that returns a DataReader object to the caller. For example, define a function: SqlDataReader Returndr (), and then call it in the main function.
Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogReturns a value of 3 forms: no return value, single return value, and multiple return value.No return value functionThe so-called no return result is, in fact, a void type,
When Lua calls the C function, it uses the same type of stack as C to invoke Lua to interact with.The C function gets her number of references from the stack. The return result is placed on the stack when the call ends. To differentiate between the
Fork is one of the most difficult concepts to understand: it executes once but returns two values.First, let's look at the prototype of the fork function:# include # include pid_t fork (void);return value:Negative number: If there is an error, fork (
Before studying the wait and WAITPID functions, I was puzzled by the use of macro wifexited to check the resulting process termination state: Typically we exit by calling the exit or _exit function in the program. So the terminating state of the
The called function returns a value to the calling functionThe return statement is generally used by the called function to call the function to the calling functions, which has the following purposes:1. It can immediately exit from the function in
Ask PHP Fsockopen function return value
Ask the following code. How to tell if the Fsockopen connection is successful?
Because if it fails, fwrite will generate a lot of error messages in my space.
PHP warning:fwrite (): supplied argument is not a
CASE1:#include #include #include char* getmem (void) { char p[] = " Hello world;//Such a child definition can be output, but the output is garbled. p[5] = 0x0; return p;} int main () { char *s= "fzz"; S=getmem (); printf ("
Can the file_get_contents function not report an error? This post was last edited by u013541063 from 2014-01-2412: 17: 28 $ lyfile & nbsp ;=& nbsp; 'E: \ key \ Logs \ lykey. can Txt file_get_contents function return no error?
This post was last
The eval problem occurred when processing the ajax callback function return value. it has been detected and processed successfully: var & nbsp; reseval ([{fid: 3, sid: 3, sonName: 1st chemistry}, {content: & lt; p & gt; & lt; img & nbsp; alt & nbsp;
Functions can send something out, that is, the return value, which is the result of the function execution. The return value can be a number, or it can be a string. You can have, or not, try to have only one return value.DOCTYPE HTML>HTMLLang=
Ask for the phpfsockopen function return value and the following code. How can I determine if the fsockopen connection is successful? If fwrite fails, it will generate a large number of error messages in my space & nbsp; PHPWarning: fwrite ():
Can the file_get_contents function return no error $ lyfile & nbsp; E: keyLogslykey. txt; $ bbb & nbsp; file_get_contents ($ lyfile); when there is no lykey. when the Txt file is used, php will report an error. If no error is reported, it will be $
Can the file_get_contents function not report an error? This post was last edited by u013541063 from 2014-01-2412: 17: 28 $ lyfile & nbsp; E: keyLogslykey. txt; $ bbb & nbsp; file_get_contents ($ lyfile); when there is no lykey. txt: Does the
funct Ion DateDiff ($date 1, $date 2, $unit = "") {//Time comparison function, return two dates in seconds, minutes, hours or days
switch ($unit) {
C ASE ' s ':
$dividend = 1;
break;
case ' I ':
In Python, Why can a function return a function defined inside a function? Reply content:
The subject may not understand
"In Python, functions are also objects"
This essence. Let's take a look at this question from the very basic concept:1.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.