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संकलित                                                                                                                                                        [Hindi PDF, 63 kB]

लघुत्तम समापवर्तक व महत्तम समापवर्तक (LCM और GCF) को हम माध्यमिक कक्षाओं में ही पढ़ लेते हैं मगर ज़्यादातर बच्चों को इसका मतलब व उपयोग समझ नहीं आता। कम-से-कम मुझे तो उस समय समझ नहीं आया था। किताबों की महत्तम समापवर्तक या लघुत्तम समापवर्तक की विधियों को बच्चों के परिवेश से जोड़ सकें तो यह समझा सकते हैं कि इन गणनाओं में हम क्या कर रहे हैं। या फिर हम एक से ज़्यादा विधियों का उपयोग करें तो बच्चा खुद से सोच-विचार कर समझ लेगा कि लघुत्तम समापवर्तक या महत्तम समापवर्तक असल में क्या है।

यह लेख लघुत्तम समापवर्तक और महत्तम समापवर्तक के लिए कुछ अन्य रुचिकर विधियाँ सुझाता है। लेख पढ़कर मुझे लगा कि इन विधियों की बात करने से पहले कुछ बातचीत लघुत्तम समापवर्तक और महत्तम समापवर्तक के बारे में करना अच्छा होगा। सिर्फ इतना कि ये क्या हैं।

LCM (Least Common Multiple): लघुत्तम-समान-अपवर्त्य उ लघुत्तम समापवर्तक यानी वह सबसे छोटी संख्या जिसमें दी संख्याओं से पूरा-पूरा भाग चला जाए। तो 12, 15 के लिए 12x15 = 180 एक ऐसी संख्या होगी जिसमें दोनों से पूरा-पूरा भाग जाएगा। पर क्या इससे छोटी कोई ऐसी संख्या हो सकती है? हाँ। 12, 15 के लिए 60 भी ऐसी संख्या होगी पर इससे छोटी और कोई संख्या नहीं होगी जिसमें 12, 15 का पूरा-पूरा भाग चला जाए। इसे अपने रोज़मर्रा के जीवन से जोड़ते हुए देखें तो इसका मतलब होगा, यदि आपके पास 12 या 15 इंच की पट्टियाँ हैं तो 60 इंच की कागज़ की शीट ही वो सबसे छोटी शीट होगी जिसे इन दोनों पट्टियों से पूरा-पूरा नापा जा सकता है।

अब बात करते हैं GCF (Greatest Common Factor) की। महत्तम-समान-अपवर्तक = महत्तम समापवर्तक यानी वो बड़ी-से-बड़ी संख्या जिससे दी संख्याओं में पूरा-पूरा भाग चला जाए।
जैसे 12 और 18 के लिए 3 ऐसी संख्या है जिसका दोनों में पूरा-पूरा भाग चला जाएगा। पर क्या इससे बड़ी भी कोई संख्या होगी जिसका 12, 18 में पूरा-पूरा भाग चला जाएगा? 6 से भी दोनों में पूरा-पूरा भाग चला जाता है।

एक बार फिर व्यवहारिक उदाहरण देखें तो इसका मतलब यह है कि यदि हमारे दो कमरों का आकार 12 x 12 व 18 x 18 वर्ग फीट है तो आप ऐसी कौन-सी सबसे बड़े आकार की टाइल खरीदेंगे जो दोनों कमरों के लिहाज़ से ठीक हो? अगर बिना तोड़े लगानी हों तो 6 x 6 वर्ग फीट की टाइल खरीदना उचित होगा। इस भूमिका के बाद मुड़ते हैं मूल लेख की ओर।

— प्रमोद मैथिल

लघुत्तम और महत्तम समापवर्तक मालूम करने की विविध विधियों में से एरिया मॉडल विधि की जानकारी कम ही लोगों को होती है। एरिया मॉडल विधि एक तो लीक से हटकर कुछ सोचने के लिए उकसाती है साथ ही, लघुत्तम और महत्तम समापवर्तक को मूर्त रूप में सामने लाती है। यहाँ कुछ उदाहरणों के साथ इसे समझने की कोशिश करेंगे।

महत्तम समापवर्तक (GCF)
यदि हम एक 24x36 भुजाओं वाले आयत पर विचार करें तो इनकी कोई भी कॉमन गुणनखण्ड की टाइल्स इस आयत को पूरा-पूरा भरने के लिए ठीक होंगी।
उदाहरण के लिए, 1न्1 की वर्गाकार टाइल्स 24x36 के आयत में एक दम फिट आएँगी, बगैर कोई जगह खाली छोड़े। इसी तरह 2x2 या 3x3 की वर्गाकार टाइल्स भी एक दम फिट बैठेंगी। ध्यान दें कि ये सभी संख्याएँ 24 और 36 के कॉमन गुणनखण्ड हैं।

तो, महत्तम समापवर्तक निकालने के लिए हमें वह बड़े-से-बड़ा वर्ग खोजना है जिससे यह 24x36 का आयत पूरा-पूरा भर जाए, बगैर कोई खाली जगह छोड़े या बिना एक-दूसरे पर चढ़े।

बड़े-से-बड़ा वर्ग खोजना
यहाँ एक विधि सुझाई जा रही है। एक 24x36 का आयत बनाओ। इसके अन्दर फिट होने वाला एक बड़े-से-बड़ा वर्ग खोजना है। थोड़ा गौर करेंगे तो पाएँगे कि यह वर्ग 24x24 का हो सकता है। इस आयत में इस जैसा सिर्फ एक वर्ग आएगा।
इसी प्रकार हमें बचे हिस्से के लिए भी एक बड़े-से-बड़ा वर्ग खोजना है जो इस हिस्से में फिट हो जाए। पिछले आयत के जैसे ही छोटी भुजा के आधार पर प्राप्त वर्ग, इस आयत में पूरा फिट होने वाला वर्ग होगा।

अब हम देखते हैं कि 12x12 के इस वर्ग से पूरे आयत का पूरा-पूरा भाग ढका जा सकता है यानी 24x24 के वर्ग में भी 12x12 के चार वर्ग समा जाएँगे। इस प्रकार 24x36 का आयत 12x12 के वर्ग से पूरा-पूरा भर जाएगा। अत: 24 व 36 का महत्तम समापवर्तक 12 होगा।

लघुत्तम समापवर्त्य (LCM)
इसमें महत्तम समापवर्तक से उलटा होता है। यदि हमें 24 और 36 का ही लघुत्तम समापवर्तक निकालना है तो हम 24x36 के आयत को आधार मानकर एक ऐसे छोटे-से-छोटे वर्ग को खोजेंगे जो इस 24x36 के आधार आयत से पूरा-पूरा भर जाए, बगैर कोई अन्तराल या एक के ऊपर एक चढ़े।

उदाहरण के लिए, 24x36 = 864 तो 864x864 एक ऐसा वर्ग होगा जो 24x36 के आयतों से पूरा-पूरा भर सकता है। परन्तु 24 व 36 के लघुत्तम समापवर्तक के लिए ऐसा सबसे छोटा सम्भव वर्ग चाहिए।
चलिए, हम देखते हैं एरिया मॉडल विधि किस तरह से लघुत्तम समापवर्तक खोजने में मदद करती है।

एक 24x36 का आयत लेते हैं। हमें एक वर्ग खोजना है जिसे इस जैसे आयतों से पूरा-पूरा भरा जा सके। चूँकि चौड़ाई (24), ऊँचाई (36) से कम है, अत: हम एक और 24x36 का स्तम्भ सीधे हाथ तरफ जोड़ते हैं। इससे यह 48x36 का एक बड़ा आयत बन जाएगा।
अब चौड़ाई (48), ऊँचाई (36) से ज़्यादा है अत: इस बार 24न्36 जैसे दो आयत नीचे जोड़ेंगे। अब यह आयत 48x72 का हो जाएगा।

इस बार चौड़ाई (48), ऊँचाई (72) से कम है। एक और स्तम्भ (24न्36 के दो आयत) जोड़कर हमें 72x72 की आकृति मिलेगी जो कि एक वर्ग है।

72x72 का वर्ग वह सबसे छोटा वर्ग है जो 24x36 के आयतों से पूरा-पूरा भर जाएगा।
उम्मीद है, आप यह एरिया मॉडल विधि समझ गए होंगे। अब आप इस तरीके को अलग-अलग परिस्थितियों में लागू करके देखें।
1. एरिया मॉडल का उपयोग कर निम्न का लघुत्तम समापवर्तक और महत्तम समापवर्तक निकालो:
(अ) 30 और 42 (ब) 18 और 30
2. समझाओ कि यह एरिया मॉडल विधि कैसे काम करती है?
शायद आपने भी इनके बारे में सोचना शुरू कर दिया होगा। अपने जवाब आप ‘संदर्भ’ को भेज सकते हैं। उन्हें भी हम प्रकाशित करेंगे।


अँग्रेज़ी से अनुवाद: प्रमोद मैथिल: एकलव्य के भोपाल केन्द्र में कार्यरत। गणित एवं विज्ञान शिक्षण में रुचि।
लेख निम्न स्रोत से साभार:
http://www.learner.org/courses/learningmath/number/session6/part_a/area.html

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    1 x afterRenderRawModule mod_menu (More) (12.04KB) (0.16%)
    464μs
    1 x afterRenderRawModule mod_menu (Magazine) (21.47KB) (0.15%)
    451μs
    1 x afterRenderModule mod_menu (Eklavya) (12.05KB) (0.15%)
    447μs
    1 x afterRenderModule mod_menu (Books) (12.18KB) (0.15%)
    435μs
    1 x afterRenderModule mod_related_items (Related Articles) (8.75KB) (0.15%)
    426μs
    1 x afterRenderModule mod_finder (search 22) (1.23KB) (0.1%)
    306μs
    1 x afterDispatch (2.28KB) (0.1%)
    295μs
    1 x afterRenderModule mod_menu () (26.88KB) (0.1%)
    290μs
    1 x Before Access::getAssetRules (id:1308 name:com_content.article.1026) (258.8KB) (0.09%)
    271μs
    1 x After Access::getAssetRules (id:1308 name:com_content.article.1026) (8.47KB) (0.08%)
    222μs
    1 x afterRenderModule mod_jfilters_filters (JFilters Filters) (1.23KB) (0.07%)
    218μs
    1 x afterRenderModule mod_breadcrumbs (Breadcrumb) (1.21KB) (0.06%)
    173μs
    1 x afterRenderRawModule mod_menu () (65.22KB) (0.06%)
    168μs
    1 x afterRenderModule mod_menu () (26.27KB) (0.05%)
    158μs
    1 x afterRenderRawModule mod_search (Search module) (2.59KB) (0.04%)
    131μs
    1 x afterRenderModule mod_menu (Search test Menu in content top) (12.23KB) (0.04%)
    127μs
    1 x afterRenderModule mod_menu (Gallery) (2.98KB) (0.04%)
    116μs
    1 x afterRenderModule mod_search (Search (Top)) (1.23KB) (0.04%)
    113μs
    1 x beforeRenderRawModule mod_search (Search (Top)) (56B) (0.04%)
    111μs
    1 x beforeRenderRawModule mod_search (Search module) (8.53KB) (0.04%)
    110μs
    1 x afterRenderModule mod_search (Search module) (1.26KB) (0.03%)
    101μs
    1 x After Access::getAssetRules (id:8 name:com_content) (6.95KB) (0.03%)
    91μs
    1 x afterRenderModule mod_menu () (1.64KB) (0.03%)
    89μs
    1 x beforeRenderRawModule mod_menu (Gallery) (16B) (0.03%)
    85μs
    1 x beforeRenderRawModule mod_menu () (24.38KB) (0.03%)
    81μs
    1 x beforeRenderRawModule mod_menu (Eklavya) (32B) (0.03%)
    79μs
    1 x beforeRenderRawModule mod_related_items (Related Articles) (1.89KB) (0.02%)
    72μs
    1 x beforeRenderRawModule mod_menu (Magazine) (32B) (0.02%)
    67μs
    1 x beforeRenderRawModule mod_menu (Books) (32B) (0.02%)
    67μs
    1 x beforeRenderRawModule mod_breadcrumbs (Breadcrumb) (2.41KB) (0.02%)
    63μs
    1 x beforeRenderRawModule mod_menu () (24.48KB) (0.02%)
    60μs
    1 x Before Access::preloadPermissions (com_content) (4.16KB) (0.02%)
    57μs
    1 x beforeRenderRawModule mod_articles_category (Articles) (7.7KB) (0.02%)
    52μs
    1 x beforeRenderRawModule mod_jfilters_filters (JFilters Filters) (416B) (0.02%)
    52μs
    1 x afterRenderRawModule mod_search (Search (Top)) (944B) (0.02%)
    48μs
    1 x beforeRenderRawModule mod_menu (Search test Menu in content top) (1.95KB) (0.01%)
    40μs
    3 x beforeRenderModule mod_menu () (696B) (0.01%)
    39μs
    1 x beforeRenderRawModule mod_finder (search 22) (608B) (0.01%)
    28μs
    1 x beforeRenderModule mod_menu (Search test Menu in content top) (736B) (0.01%)
    25μs
    1 x beforeRenderModule mod_finder (search 22) (720B) (0.01%)
    19μs
    1 x beforeRenderModule mod_jfilters_filters (JFilters Filters) (736B) (0.01%)
    18μs
    1 x beforeRenderModule mod_articles_category (Articles) (704B) (0.01%)
    15μs
    1 x beforeRenderModule mod_breadcrumbs (Breadcrumb) (704B) (0%)
    10μs
    1 x beforeRenderModule mod_related_items (Related Articles) (704B) (0%)
    9μs
    1 x beforeRenderModule mod_menu (More) (704B) (0%)
    7μs
    1 x beforeRenderModule mod_menu (Magazine) (704B) (0%)
    7μs
    1 x beforeRenderModule mod_menu (Gallery) (704B) (0%)
    7μs
    1 x beforeRenderModule mod_menu (Books) (704B) (0%)
    7μs
    1 x beforeRenderModule mod_menu (Eklavya) (704B) (0%)
    7μs
    1 x beforeRenderModule mod_search (Search module) (720B) (0%)
    5μs
    1 x beforeRenderModule mod_search (Search (Top)) (720B) (0%)
    5μs
143 statements were executed, 3 of which were duplicates, 140 unique84.78ms3.54MB
  • SELECT @@SESSION.sql_mode;425μs1.57KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:334Copy
  • SELECT `data` FROM `j4_session` WHERE `session_id` = ?205μs1.61KBParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:261Copy
  • SELECT `session_id` FROM `j4_session` WHERE `session_id` = :session_id LIMIT 1182μs1.61KBParams/libraries/src/Session/MetadataManager.php:187Copy
  • INSERT INTO `j4_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (:session_id, :guest, :time, :user_id, :username, :client_id)543μs944BParams/libraries/src/Session/MetadataManager.php:260Copy
  • SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled` FROM `j4_extensions` WHERE `type` = 'component' AND `state` = 0 AND `enabled` = 1858μs2.36KB/libraries/src/Component/ComponentHelper.php:399Copy
  • SELECT `id`,`rules` FROM `j4_viewlevels`261μs976B/libraries/src/Access/Access.php:955Copy
  • SELECT `b`.`id` FROM `j4_usergroups` AS `a` LEFT JOIN `j4_usergroups` AS `b` ON `b`.`lft` <= `a`.`lft` AND `b`.`rgt` >= `a`.`rgt` WHERE `a`.`id` = :guest367μs1.63KBParams/libraries/src/Access/Access.php:868Copy
  • SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id` FROM `j4_extensions` WHERE `enabled` = 1 AND `type` = 'plugin' AND `state` IN (0,1) AND `access` IN (:preparedArray1) ORDER BY `ordering`1.18ms4.27KBParams/libraries/src/Plugin/PluginHelper.php:294Copy
  • SELECT * FROM j4_rsform_config486μs2.56KB/administrator/components/com_rsform/helpers/config.php:52Copy
  • SELECT `m`.`id`,`m`.`menutype`,`m`.`title`,`m`.`alias`,`m`.`note`,`m`.`link`,`m`.`type`,`m`.`level`,`m`.`language`,`m`.`browserNav`,`m`.`access`,`m`.`params`,`m`.`home`,`m`.`img`,`m`.`template_style_id`,`m`.`component_id`,`m`.`parent_id`,`m`.`path` AS `route`,`e`.`element` AS `component` FROM `j4_menu` AS `m` LEFT JOIN `j4_extensions` AS `e` ON `m`.`component_id` = `e`.`extension_id` WHERE ( (`m`.`published` = 1 AND `m`.`parent_id` > 0 AND `m`.`client_id` = 0) AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= :currentDate1)) AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= :currentDate2) ORDER BY `m`.`lft`2.34ms167.05KBParams/libraries/src/Menu/SiteMenu.php:166Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `j4_categories` AS `s` INNER JOIN `j4_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`7.78ms2.15MBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT * FROM `j4_languages` WHERE `published` = 1 ORDER BY `ordering` ASC569μs2.22KB/libraries/src/Language/LanguageHelper.php:142Copy
  • SELECT `id`,`home`,`template`,`s`.`params`,`inheritable`,`parent` FROM `j4_template_styles` AS `s` LEFT JOIN `j4_extensions` AS `e` ON `e`.`element` = `s`.`template` AND `e`.`type` = 'template' AND `e`.`client_id` = `s`.`client_id` WHERE `s`.`client_id` = 0 AND `e`.`enabled` = 1558μs1.14KB/administrator/components/com_templates/src/Model/StyleModel.php:773Copy
  • SELECT `id`,`name`,`rules`,`parent_id` FROM `j4_assets` WHERE `name` IN (:preparedArray1,:preparedArray2,:preparedArray3,:preparedArray4,:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9,:preparedArray10,:preparedArray11,:preparedArray12,:preparedArray13,:preparedArray14,:preparedArray15,:preparedArray16,:preparedArray17,:preparedArray18,:preparedArray19,:preparedArray20,:preparedArray21,:preparedArray22,:preparedArray23,:preparedArray24,:preparedArray25,:preparedArray26,:preparedArray27,:preparedArray28,:preparedArray29,:preparedArray30,:preparedArray31,:preparedArray32,:preparedArray33,:preparedArray34,:preparedArray35,:preparedArray36,:preparedArray37,:preparedArray38,:preparedArray39,:preparedArray40,:preparedArray41,:preparedArray42,:preparedArray43,:preparedArray44,:preparedArray45,:preparedArray46,:preparedArray47)1.47ms8.12KBParams/libraries/src/Access/Access.php:357Copy
  • SELECT `id`,`name`,`rules`,`parent_id` FROM `j4_assets` WHERE `name` LIKE :asset OR `name` = :extension OR `parent_id` = 05.19ms345.8KBParams/libraries/src/Access/Access.php:301Copy
  • SHOW FULL COLUMNS FROM `j4_content`1.97ms2.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:625Copy
  • UPDATE `j4_content` SET `hits` = (`hits` + 1) WHERE `id` = '1026'7.58ms2.55KB/libraries/src/Table/Table.php:1325Copy
  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `j4_content` AS `a` INNER JOIN `j4_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `j4_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `j4_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `j4_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `j4_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)1ms24.63KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `j4_categories` AS `s` INNER JOIN `j4_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`3.39ms21.19KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `m`.`tag_id`,`t`.* FROM `j4_contentitem_tag_map` AS `m` INNER JOIN `j4_tags` AS `t` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :contentType AND `m`.`content_item_id` = :id AND `t`.`published` = 1 AND `t`.`access` IN (:preparedArray1)646μs5.2KBParams/libraries/src/Helper/TagsHelper.php:388Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `j4_categories` AS `s` INNER JOIN `j4_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`3.35ms21.19KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note FROM j4_fields AS a LEFT JOIN `j4_languages` AS l ON l.lang_code = a.language LEFT JOIN j4_users AS uc ON uc.id=a.checked_out LEFT JOIN j4_viewlevels AS ag ON ag.id = a.access LEFT JOIN j4_users AS ua ON ua.id = a.created_user_id LEFT JOIN j4_fields_groups AS g ON g.id = a.group_id LEFT JOIN `j4_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3,:preparedArray4,:preparedArray5)) AND `a`.`access` IN (:preparedArray6)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC817μs6.06KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `j4_categories` AS `s` INNER JOIN `j4_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`4.2ms21.19KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params,am.params AS extra, 0 AS menuid, m.publish_up, m.publish_down FROM j4_modules AS m LEFT JOIN j4_extensions AS e ON e.element = m.module AND e.client_id = m.client_id LEFT JOIN j4_advancedmodules as am ON am.module_id = m.id WHERE m.published = 1 AND e.enabled = 1 AND m.client_id = 0 ORDER BY m.position, m.ordering1.58ms50.67KB/plugins/system/advancedmodules/src/Helper.php:191Copy
  • SELECT m.condition_id,m.item_id FROM j4_conditions_map as m LEFT JOIN j4_conditions as c ON c.id = m.condition_id WHERE `m`.`extension` = 'com_advancedmodules' AND `c`.`published` = 1419μs1.75KB/administrator/components/com_conditions/src/Model/ItemModel.php:821Copy
  • SHOW FULL COLUMNS FROM `j4_conditions`1.26ms2.08KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:625Copy
  • SELECT * FROM `j4_conditions` WHERE `id` = '14'218μs2.06KB/libraries/src/Table/Table.php:755Copy
  • SELECT * FROM j4_conditions_groups as g WHERE g.condition_id = 14334μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:1034Copy
  • SELECT * FROM j4_conditions_rules as r WHERE r.group_id = 14278μs1.13KB/administrator/components/com_conditions/src/Model/GroupModel.php:108Copy
  • SELECT m.extension,m.item_id,m.table,m.name_column FROM j4_conditions_map as m WHERE m.condition_id = 14 ORDER BY m.extension,m.item_id410μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:907Copy
  • SELECT `id`,`title` AS `value` FROM `j4_modules`330μs3.38KB/administrator/components/com_conditions/src/Helper/Helper.php:184Copy
  • SHOW FULL COLUMNS FROM `j4_modules`1.25ms2.2KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:625Copy
  • SELECT `id`,`published` AS `value` FROM `j4_modules`517μs14.38KB/administrator/components/com_conditions/src/Helper/Helper.php:184Copy
  • SELECT * FROM `j4_conditions` WHERE `id` = '15'488μs2.06KB/libraries/src/Table/Table.php:755Copy
  • SELECT * FROM j4_conditions_groups as g WHERE g.condition_id = 15371μs1008B/administrator/components/com_conditions/src/Model/ItemModel.php:1034Copy
  • SELECT m.extension,m.item_id,m.table,m.name_column FROM j4_conditions_map as m WHERE m.condition_id = 15 ORDER BY m.extension,m.item_id395μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:907Copy
  • SELECT * FROM `j4_conditions` WHERE `id` = '16'264μs2.06KB/libraries/src/Table/Table.php:755Copy
  • SELECT * FROM j4_conditions_groups as g WHERE g.condition_id = 16221μs1008B/administrator/components/com_conditions/src/Model/ItemModel.php:1034Copy
  • SELECT m.extension,m.item_id,m.table,m.name_column FROM j4_conditions_map as m WHERE m.condition_id = 16 ORDER BY m.extension,m.item_id193μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:907Copy
  • SELECT * FROM `j4_conditions` WHERE `id` = '18'303μs2.06KB/libraries/src/Table/Table.php:755Copy
  • SELECT * FROM j4_conditions_groups as g WHERE g.condition_id = 18196μs1008B/administrator/components/com_conditions/src/Model/ItemModel.php:1034Copy
  • SELECT m.extension,m.item_id,m.table,m.name_column FROM j4_conditions_map as m WHERE m.condition_id = 18 ORDER BY m.extension,m.item_id1.32ms1KB/administrator/components/com_conditions/src/Model/ItemModel.php:907Copy
  • SELECT * FROM `j4_conditions` WHERE `id` = '23'260μs2.06KB/libraries/src/Table/Table.php:755Copy
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  • SELECT * FROM j4_conditions_rules as r WHERE r.group_id = 19176μs1.13KB/administrator/components/com_conditions/src/Model/GroupModel.php:108Copy
  • SELECT m.extension,m.item_id,m.table,m.name_column FROM j4_conditions_map as m WHERE m.condition_id = 23 ORDER BY m.extension,m.item_id175μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:907Copy
  • SELECT * FROM `j4_conditions` WHERE `id` = '24'565μs2.06KB/libraries/src/Table/Table.php:755Copy
  • SELECT * FROM j4_conditions_groups as g WHERE g.condition_id = 24347μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:1034Copy
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  • SELECT m.extension,m.item_id,m.table,m.name_column FROM j4_conditions_map as m WHERE m.condition_id = 24 ORDER BY m.extension,m.item_id204μs1KB/administrator/components/com_conditions/src/Model/ItemModel.php:907Copy
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  • SELECT * FROM `j4_conditions` WHERE `id` = '53'269μs2.06KB/libraries/src/Table/Table.php:755Copy
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