两表同时检索、查询今天，明天，后天数据
$sql_str.=" and ( to_days(indate_1)-to_days(now()) = 1 ) "; $sql_search = "select 'lb_zhibo_lanqiu' tbname,lb_zhibo_lanqi
TAGS:查询
mysql查询哪些表中有指定的字段
SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE column_name = 'pinming_id'
PHP使用array_search()通过键值查询数组键名
array_search()通过键值查询数组键名$array=array("id"=>1001,"name"=>"九品源码","domain"=>"www.19jp.com","code"=>"PHP"); var_dump($arr
sql常用查询语句
count(*)$sql_page_xy="select count(*) from xy_tk_xueyuan where bianma_dw='".$vv_bianma_dw."' "; $result_page_xy=$mysqli->query($sql_page_x
PHP使用array_values()通过键值查询数组位置
<? $array=array("id"=>1001,"name"=>"九品源码","domain"=>"www.19jp.com","code"=>"PHP");  
