Number of rows affected by the SQL statement, when process is successful. -1, when SQL statement is not INSERT, DELETE or UPDATE. false, when the request identifier is not specified, and there is no last request. 范例 示例#1 cubrid_affected_rows() example <?php$conn = cubrid_connect...
Number of rows: 20. 参见 mysqli_stmt_affected_rows()- Returns the total number of rows changed, deleted, or inserted by the last executed statement mysqli_prepare()- 准备执行一个 SQL 语句 mysqli_stmt_store_result()- Transfers a result set from a prepared statement...
Number of rows affected by the SQL statement, when process is successful. -1, when SQL statement is not INSERT, DELETE or UPDATE. FALSE, when the request identifier is not specified, and there is no last request. 范例 Example #1cubrid_affected_rows()example ...
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While you can use the return value to return the number of rows, or some other piece of data, the return code is conventionally used to return error/success information with 0 meaning success and anything else means error. So your code should either be a result set or an output...
SQL Max(Date) query could return multiple rows Joseph Mancini81Reputation points May 13, 2024, 10:12 PM Having a devil of a time trying to find a query to return what I need. I have a table as above. I am trying to use max(eff_date) to return the last record(s). Most o...
This procedure can be invoked using function invocation syntax in a PL/SQL assignment statement. Examples Example 1:The following example uses the LAST_ROW_COUNT procedure to display the total number of rows fetched in the query. SET SERVEROUTPUT ON@ ...
the fullselect can return zero or more rows with one or more columns. The number of columns in the fullselect must match the number of columns in the function result. In addition, the data types of the result table columns of the fullselect must be assignable to the data types of the col...
-1 if SQL sentence is not SELECT. false when process is unsuccessful. 范例 示例#1 cubrid_num_fields() example <?php$conn = cubrid_connect("localhost", 33000, "demodb");$req = cubrid_execute($conn, "SELECT * FROM code");$row_num = cubrid_num_rows($req);$col_num = cubrid_num...
Description:executing a query that returns rows, then found_rows() returns the found rows of that query. If you then execute that same query, but add 'AND 1=2 ' to the where clause, found_rows will return the number of rows that the first query returned, even though 1=2 means that...