# SQL 到 Mongo 的对应表

这个列表是 PHP 版本的 » SQL to Mongo 对应表（在 MongoDB 官方手册中有更加通用的版本）。

SQL 查询语句 Mongo 查询语句
CREATE TABLE USERS (a Number, b Number) 隐式的创建，或 MongoDB::createCollection().
INSERT INTO USERS VALUES(1,1) $db->users->insert(array(“a” => 1, “b” => 1));
SELECT a,b FROM users $db->users->find(array(), array(“a” => 1, “b” => 1));
SELECT * FROM users WHERE age=33 $db->users->find(array(“age” => 33));
SELECT a,b FROM users WHERE age=33 $db->users->find(array(“age” => 33), array(“a” => 1, “b” => 1));
SELECT a,b FROM users WHERE age=33 ORDER BY name $db->users->find(array(“age” => 33), array(“a” => 1, “b” => 1))->sort(array(“name” => 1));
SELECT * FROM users WHERE age>33 db−>users−>find(array("age"=>array(′db->users->find(array("age" => array('gt’ => 33)));
SELECT * FROM users WHERE age<33 db−>users−>find(array("age"=>array(′db->users->find(array("age" => array('lt’ => 33)));
SELECT * FROM users WHERE name LIKE “%Joe%” $db->users->find(array(“name” => new MongoRegex("/Joe/")));
SELECT * FROM users WHERE name LIKE “Joe%” $db->users->find(array(“name” => new MongoRegex("/^Joe/")));
SELECT * FROM users WHERE age>33 AND age<=40 db−>users−>find(array("age"=>array(′db->users->find(array("age" => array('gt’ => 33, ‘$lte’ => 40)));
SELECT * FROM users ORDER BY name DESC $db->users->find()->sort(array(“name” => -1));
CREATE INDEX myindexname ON users(name) $db->users->ensureIndex(array(“name” => 1));
CREATE INDEX myindexname ON users(name,ts DESC) $db->users->ensureIndex(array(“name” => 1, “ts” => -1));
SELECT * FROM users WHERE a=1 and b=‘q’ $db->users->find(array(“a” => 1, “b” => “q”));
SELECT * FROM users LIMIT 20, 10 $db->users->find()->limit(10)->skip(20);
SELECT * FROM users WHERE a=1 or b=2 db−>users−>find(array(′db->users->find(array('or’ => array(array(“a” => 1), array(“b” => 2))));
SELECT * FROM users LIMIT 1 $db->users->find()->limit(1);
EXPLAIN SELECT * FROM users WHERE z=3 $db->users->find(array(“z” => 3))->explain()
SELECT DISTINCT last_name FROM users $db->command(array(“distinct” => “users”, “key” => “last_name”));
SELECT COUNT(*y) FROM users $db->users->count();
SELECT COUNT(*y) FROM users where AGE > 30 db−>users−>find(array("age"=>array(′db->users->find(array("age" => array('gt’ => 30)))->count();
SELECT COUNT(AGE) from users db−>users−>find(array("age"=>array(′db->users->find(array("age" => array('exists’ => true)))->count();
UPDATE users SET a=1 WHERE b=‘q’ db−>users−>update(array("b"=>"q"),array(′db->users->update(array("b" => "q"), array('set’ => array(“a” => 1)));
UPDATE users SET a=a+2 WHERE b=‘q’ db−>users−>update(array("b"=>"q"),array(′db->users->update(array("b" => "q"), array('inc’ => array(“a” => 2)));
DELETE FROM users WHERE z=“abc” $db->users->remove(array(“z” => “abc”));

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