I有以下的MySQL查询,并将MySQL的格式设置为单个数组:
$equalDimensions_query =
"SELECT 'allEqual' AS COL1,COUNT(*) AS imgCount FROM (
SELECT imgHeight, imgWidth, imgId AS primaryId FROM primary_images
UNION ALL
SELECT imgHeight, imgWidth, primaryId FROM secondary_images
) AS union_table
WHERE pr
我尝试执行mysql查询,传递变量。以下是我的代码
char str[100] = "My String";
mysql_query(conn, printf("INSERT INTO table VALUES %s"), str);
我在编译过程中收到该警告
warning: passing argument 2 of ‘mysql_query’ makes pointer from integer without a cast
我错过了什么?
我正在尝试插入数据到mysql数据库中,这是一个带有验证的电子邮件注册。唯一随机数未插入到数据库表中。请帮帮我。非常感谢。
else {
$user_confirm = md5(uniqid(rand()));
echo "$user_confirm";
//the form has been posted without, so save it
//notice the use of mysql_real_escape_string, keep everything safe!
//also notice the sha1 functi
我正在通过WordPress与MySQL合作,我想根据其单词的逆序对标题进行排序。例如:
Samuel Leroy Jackson -> Jackson Leroy Samuel
Samuel L Jackson -> Jackson L Samuel
Samuel Jackson -> Jackson Samuel
Samuel L Jackson Jr -> Jr Jackson L Samuel
我想通过MySQL做到这一点,这样我就可以根据结果进行排序。
我有一个与REGEXP匹配的mysql查询,它将字段的开头与'A‘、'An’和' the‘匹配,如果匹配,则从第一个空格开始修剪字段,然后我将字段的开头与特殊字符匹配,例如(',: space :),如果是,那么修剪所有的主要特殊字符。Mysql查询的CASE如下所示:
CASE
WHEN field_data_field_display_title_field_display_title_value REGEXP '(^(A|An|The)[[:space:]])' = 1 THEN
TRIM(SUBSTR(field_data_fie