DB Of the class Inquire about ：
- All acquisition that meets the conditions ：DB::table(" Table name ")->where("name",">","1")->get();
- The first column that satisfies the condition gets ：DB::table(" Table name ")->where("name",">","1")->first();
- All fields that meet the criteria ：DB::table(" Table name ")->where("name",">","1")->lists("title");
- A single field that satisfies the condition ：DB::table(" Table name ")->where("name",">","1")->pluck("title");// Returns an array of binary field values
DB::table(" Table name ")->where("name",">","1")->pluck("title","name");// Returns an array of binary field values The second parameter specifies key - Block query data column ：DB::table(" Table name ")->chunk(100,function($users){
//$users to do $user yes table in 2 Row the result of a query
//return false; Stop processing the next data
}) - Specify query sentence ：DB::table(" Table name ")->select("name","email")->get();
- Add a query clause to an existing query ：$query=DB::table(" Table name ")->select("name","email");$query->addSelect("age")->get();
- Conditions of the query where and orWhere：DB::table(" Table name ")->where("name",">","10")->orWhere("titile","=","0")->get();
- Conditions of the query whereBetween and whereNotBetween：DB::table(" Table name ")->where("name",">","10")->whereBetween("titile","=","[0,10]")->get();
- Conditions of the query whereIn：DB::table(" Table name ")->where("name",">","10")->whereIn("titile","[1,2,3]")->get();
- Conditions of the query whereNull：DB::table(" Table name ")->where("name",">","10")->whereNull("titile")->get();// Unconfigured values
- Conditions of the query where Clauses：DB::table(" Table name ")->where("name",">","10")->whereNameAndTitle("name",titile")->get();
- Sort （Drder By）, Group （Group By） And Having:
$users=DB::table("users")->orderBy("name","desc")->groupBy("count")->having("count",">",100)->get()
The offset （Offset） And Limit （Limit）
$users=DB::table("users")->skip(10)->take(5)->get();
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