The database query builder provides a convenient, fluent interface to creating and running database queries. It can be used to perform most database operations in your application, and works on all supported dat
The query builder also provides an insert method for inserting records into the database table. The insert method accepts an array of column names and values to insert:1DB::table('users')->insert( 2 ['email' => 'john@example.com', 'votes' => 0] 3);...
查询构建器建立在Database Access Objects基础之上,可让你创建 程序化的、DBMS无关的SQL语句。相比于原生的SQL语句,查询构建器可以帮你 写出可读性更强的SQL相关的代码,并生成安全性更强的SQL语句。 使用查询构建器通常包含以下两个步骤: 创建一个yii\db\Query对象来代表一条 SELECT SQL 语句的不同子句(例如SELECT...
use PicoDb\UrlParser; use PicoDb\Database; $db = new Database(UrlParser::getInstance()->getSettings('postgres://user:pass@hostname:6212/db'));Execute any SQL query$db->execute('CREATE TABLE mytable (column1 TEXT)');Returns a PDOStatement if successful Returns false if there is a ...
(socket file has to be explicitly set on the server's side with '--urpcaddr' option) // Database should be created explicitly via reindexer_tool or via WithCreateDBIfMissing option: // If server security mode is enabled, then username and password are mandatory // db := reindexer.New...
In the following, we explain how to use these query builder methods. For simplicity, we assume the underlying database is MySQL. Note that if you are using other DBMS, the table/column/value quoting shown in the examples may be different. ...
A quick note for novice users: when gathering input from fields on a web form that maintains a database connection, *never* use pg_query to do queries from the field. Always sanitize input using pg_prepare and pg_execute. up down
By default, PhpStorm updates the same tab with results each time you run a new query after the previous one. You can change this behavior and create a tab each time you run a new query. In the IDE settingsCtrlAlt0S, go toTools | Database | Query Execution. ...
(PHP 5, PHP 7) mysqli :: query - mysqli_query - 对数据库执行查询 描述 面向对象的风格 代码语言:javascript 复制 mixed mysqli::query(string $query[,int $resultmode=MYSQLI_STORE_RESULT]) 程序风格 代码语言:javascript 复制 mixedmysqli_query(mysqli $link,string $query[,int $resultmode=MYSQL...
maxdb_query--maxdb::query—Performs a query on the database 说明 过程化风格 maxdb_query(resource$link,string$query[,int$resultmode] ) :mixed 面向对象风格 maxdb::query(string$query) :mixed Themaxdb_query()function is used to simplify the act of performing a query against the database repres...