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EXPLAIN [twoje_zapytanie_select]
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SHOW CREATE TABLE [nazwa_tabeli]
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SELECT * FROM gielda_kody_rodzaj INNER JOIN gielda_kody_oferty ON gielda_kody_rodzaj.id = gielda_kody_oferty.rodzaj
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id 	select_type 	TABLE 	type 	possible_keys 	KEY 	key_len 	ref 	rows 	Extra
1 	SIMPLE 	gielda_kody_oferty 	ALL 	NULL 	NULL 	NULL 	NULL 	90265 	 
1 	SIMPLE 	gielda_kody_rodzaj 	eq_ref 	PRIMARY 	PRIMARY 	4 	gielda.gielda_kody_oferty.rodzaj 	1 	 
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gielda_kody_rodzaj  	CREATE TABLE `gielda_kody_rodzaj` (\n  `id` int(8) NOT NULL AUTO_INCREMENT,\n  `nazwa` varchar(128) character SET utf8 collate utf8_polish_ci NOT NULL,\n  `min` varchar(255) character SET utf8 collate utf8_polish_ci NOT NULL,\n  `max` varchar(255) character SET utf8 collate utf8_polish_ci NOT NULL,\n  `prefix` varchar(255) character SET utf8 collate utf8_polish_ci NOT NULL,\n  `www` varchar(255) character SET utf8 collate utf8_polish_ci NOT NULL,\n  `admin` varchar(255) character SET utf8 collate utf8_polish_ci NOT NULL,\n  PRIMARY KEY  (`id`)\n) ENGINE=MyISAM AUTO_INCREMENT=142 DEFAULT CHARSET=latin2
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gielda_kody_oferty  	CREATE TABLE `gielda_kody_oferty` (\n  `id` int(8) NOT NULL AUTO_INCREMENT,\n  `rodzaj` int(128) NOT NULL,\n  `cena` decimal(65,2) NOT NULL,\n  `nick` varchar(255) character SET utf8 collate utf8_polish_ci NOT NULL,\n  `data` datetime NOT NULL,\n  `kod` varchar(255) NOT NULL,\n  `admin` varchar(255) NOT NULL,\n  `stat` int(1) NOT NULL DEFAULT '0',\n  PRIMARY KEY  (`id`)\n) ENGINE=MyISAM AUTO_INCREMENT=116612 DEFAULT CHARSET=latin2
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