{"id":111022,"date":"2026-05-26T10:52:32","date_gmt":"2026-05-26T10:52:32","guid":{"rendered":"https:\/\/www.red-gate.com\/simple-talk\/?post_type=collection&#038;p=111022"},"modified":"2026-05-26T11:04:43","modified_gmt":"2026-05-26T11:04:43","slug":"oracle-sql-query-parsing-a-complete-guide","status":"publish","type":"collection","link":"https:\/\/www.red-gate.com\/simple-talk\/collections\/oracle-sql-query-parsing-a-complete-guide\/","title":{"rendered":"Oracle SQL query parsing: a complete guide"},"content":{"rendered":"\n<p><strong>Here&#8217;s everything you need to know about Oracle SQL query parsing in one detailed mini-series.<\/strong><\/p>\n\n\n\n<section id=\"articles-list-block_15ee919dd7182bd2751ab7ecd459b307\" class=\"articles-list my-5xl\">\n    <div class=\"grid gap-3xl\">\n        <div class=\"@container\">\n    <article class=\"flex gap-2xl items-center flex-col @md:flex-row-reverse\">\n        <div class=\"w-full @md:w-1\/3 flex items-center justify-center peer\">\n            <a href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-4-understanding-bind-variable-peeking\/\" aria-label=\"Understanding Oracle SQL Query Parsing: Part 4 \u2013 Understanding Bind Variable Peeking\" class=\"no-underline relative aspect-3\/2 bg-gray-100 border border-gray-100 dark:border-gray-800 flex items-center justify-center flex-col gap-md w-full p-md\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"font-display-slab text-2xl text-base-black text-center w-full hyphens-auto\">Oracle<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" class=\"w-24\" src=\"https:\/\/www.red-gate.com\/simple-talk\/wp-content\/themes\/simple-talk-theme-2024\/assets\/images\/logos\/st-logo.svg\" alt=\"Simple-Talk Logo\" width=\"153\" height=\"33\">\n\t\t\t<\/a>        <\/div>\n        <div class=\"w-full @md:w-2\/3 overflow-auto group\/content-text\">\n            \n<div class=\"block mb-md align-middle\">\n            \n        <a\n        href=\"https:\/\/www.red-gate.com\/simple-talk\/author\/aman-sharma\/\"\n        class=\"group\/author inline align-middle no-style min-w-fit\"\n        rel=\"author\"\n    >\n        <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/bea07f25b5856af3cadb5599e111a26721fe8938d80eb23a3fd1cc9528cfeeee?s=80&#038;d=mm&#038;r=g\"\n            alt=\"Image of author: Aman Sharma\" \n            class=\"rounded-full align-middle w-6 h-6 duration-200 inline-block object-cover\"\/>\n        <span class=\"group-hover\/author:text-brand-600 peer\/ftr-image:text-brand-600 group-hover\/author:dark:text-brand-400 peer\/ftr-image:dark:text-brand-400 group-hover\/author:underline min-w-fit align-middle duration-200\">Aman Sharma<\/span>\n    <\/a>\n\n        <span class=\"card__categories align-middle\">\n                                                        <span class=\"text-gray-600 align-middle dark:text-gray-400\">in<\/span>\n                    <a\n                    class=\"inline align-middle no-underline hover:text-brand-600 hover:dark:text-brand-400 hover:underline\"\n                    href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/\">\n                            Oracle                    <\/a>\n                                        <\/span>\n<\/div>\n<a class=\"no-underline group\/content-text-lower\" href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-4-understanding-bind-variable-peeking\/ \">\n    <div>\n        <h1 class=\"\n            duration-200 mt-0 mb-1 text-xl\n            \n            peer-hover:group-[]\/content-text:text-brand-600\n            group-hover\/content-text-lower:text-brand-600\n\n            peer-hover:group-[]\/content-text:dark:text-brand-400\n            group-hover\/content-text-lower:dark:text-brand-400\n            \n            peer-hover:group-[]\/content-text:underline\n            group-hover\/content-text-lower:underline\n            \n        \">\n            Understanding Oracle SQL Query Parsing: Part 4 \u2013 Understanding Bind Variable Peeking        <\/h1>\n                    <p class=\"mb-0\">\n                Learn all about Oracle SQL bind variables: the potential issues surrounding bind variables and how to handle them.&hellip;            <\/p>\n            <\/div>\n            <div class=\"flex items-center gap-1 mt-md\">\n            <time>03 February 2017<\/time>\n            <span class=\"w-1 h-1 bg-current\tinline-block my-auto rounded-full\"><\/span>\n            <span>8 min read<\/span>\n                    <\/div>\n    <\/a>        <\/div>\n    <\/article>\n<\/div>\n\n\n<div class=\"@container\">\n    <article class=\"flex gap-2xl items-center flex-col @md:flex-row-reverse\">\n        <div class=\"w-full @md:w-1\/3 flex items-center justify-center peer\">\n            <a href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-3-bind-variables-and-cursor-sharing\/\" aria-label=\"Understanding Oracle SQL Query Parsing \u2013 Part 3: Bind Variables and Cursor Sharing\" class=\"no-underline relative aspect-3\/2 bg-gray-100 border border-gray-100 dark:border-gray-800 flex items-center justify-center flex-col gap-md w-full p-md\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"font-display-slab text-2xl text-base-black text-center w-full hyphens-auto\">Oracle<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" class=\"w-24\" src=\"https:\/\/www.red-gate.com\/simple-talk\/wp-content\/themes\/simple-talk-theme-2024\/assets\/images\/logos\/st-logo.svg\" alt=\"Simple-Talk Logo\" width=\"153\" height=\"33\">\n\t\t\t<\/a>        <\/div>\n        <div class=\"w-full @md:w-2\/3 overflow-auto group\/content-text\">\n            \n<div class=\"block mb-md align-middle\">\n            \n        <a\n        href=\"https:\/\/www.red-gate.com\/simple-talk\/author\/aman-sharma\/\"\n        class=\"group\/author inline align-middle no-style min-w-fit\"\n        rel=\"author\"\n    >\n        <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/bea07f25b5856af3cadb5599e111a26721fe8938d80eb23a3fd1cc9528cfeeee?s=80&#038;d=mm&#038;r=g\"\n            alt=\"Image of author: Aman Sharma\" \n            class=\"rounded-full align-middle w-6 h-6 duration-200 inline-block object-cover\"\/>\n        <span class=\"group-hover\/author:text-brand-600 peer\/ftr-image:text-brand-600 group-hover\/author:dark:text-brand-400 peer\/ftr-image:dark:text-brand-400 group-hover\/author:underline min-w-fit align-middle duration-200\">Aman Sharma<\/span>\n    <\/a>\n\n        <span class=\"card__categories align-middle\">\n                                                        <span class=\"text-gray-600 align-middle dark:text-gray-400\">in<\/span>\n                    <a\n                    class=\"inline align-middle no-underline hover:text-brand-600 hover:dark:text-brand-400 hover:underline\"\n                    href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/\">\n                            Oracle                    <\/a>\n                                        <\/span>\n<\/div>\n<a class=\"no-underline group\/content-text-lower\" href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-3-bind-variables-and-cursor-sharing\/ \">\n    <div>\n        <h1 class=\"\n            duration-200 mt-0 mb-1 text-xl\n            \n            peer-hover:group-[]\/content-text:text-brand-600\n            group-hover\/content-text-lower:text-brand-600\n\n            peer-hover:group-[]\/content-text:dark:text-brand-400\n            group-hover\/content-text-lower:dark:text-brand-400\n            \n            peer-hover:group-[]\/content-text:underline\n            group-hover\/content-text-lower:underline\n            \n        \">\n            Understanding Oracle SQL Query Parsing \u2013 Part 3: Bind Variables and Cursor Sharing        <\/h1>\n                    <p class=\"mb-0\">\n                In this third article, we will look at the issue of duplicate SQL statements and how Bind Variables can help&#8230;            <\/p>\n            <\/div>\n            <div class=\"flex items-center gap-1 mt-md\">\n            <time>20 January 2017<\/time>\n            <span class=\"w-1 h-1 bg-current\tinline-block my-auto rounded-full\"><\/span>\n            <span>9 min read<\/span>\n                    <\/div>\n    <\/a>        <\/div>\n    <\/article>\n<\/div>\n\n\n<div class=\"@container\">\n    <article class=\"flex gap-2xl items-center flex-col @md:flex-row-reverse\">\n        <div class=\"w-full @md:w-1\/3 flex items-center justify-center peer\">\n            <a href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-2-parent-and-child-cursors\/\" aria-label=\"Oracle Parent and Child Cursors: The Library Cache Sharing Model, Soft Parse Deep Dive, and Cursor Version Count Diagnostics\" class=\"no-underline relative aspect-3\/2 bg-gray-100 border border-gray-100 dark:border-gray-800 flex items-center justify-center flex-col gap-md w-full p-md\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"font-display-slab text-2xl text-base-black text-center w-full hyphens-auto\">Oracle<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" class=\"w-24\" src=\"https:\/\/www.red-gate.com\/simple-talk\/wp-content\/themes\/simple-talk-theme-2024\/assets\/images\/logos\/st-logo.svg\" alt=\"Simple-Talk Logo\" width=\"153\" height=\"33\">\n\t\t\t<\/a>        <\/div>\n        <div class=\"w-full @md:w-2\/3 overflow-auto group\/content-text\">\n            \n<div class=\"block mb-md align-middle\">\n            \n        <a\n        href=\"https:\/\/www.red-gate.com\/simple-talk\/author\/aman-sharma\/\"\n        class=\"group\/author inline align-middle no-style min-w-fit\"\n        rel=\"author\"\n    >\n        <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/bea07f25b5856af3cadb5599e111a26721fe8938d80eb23a3fd1cc9528cfeeee?s=80&#038;d=mm&#038;r=g\"\n            alt=\"Image of author: Aman Sharma\" \n            class=\"rounded-full align-middle w-6 h-6 duration-200 inline-block object-cover\"\/>\n        <span class=\"group-hover\/author:text-brand-600 peer\/ftr-image:text-brand-600 group-hover\/author:dark:text-brand-400 peer\/ftr-image:dark:text-brand-400 group-hover\/author:underline min-w-fit align-middle duration-200\">Aman Sharma<\/span>\n    <\/a>\n\n        <span class=\"card__categories align-middle\">\n                                                        <span class=\"text-gray-600 align-middle dark:text-gray-400\">in<\/span>\n                    <a\n                    class=\"inline align-middle no-underline hover:text-brand-600 hover:dark:text-brand-400 hover:underline\"\n                    href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/\">\n                            Oracle                    <\/a>\n                                        <\/span>\n<\/div>\n<a class=\"no-underline group\/content-text-lower\" href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-2-parent-and-child-cursors\/ \">\n    <div>\n        <h1 class=\"\n            duration-200 mt-0 mb-1 text-xl\n            \n            peer-hover:group-[]\/content-text:text-brand-600\n            group-hover\/content-text-lower:text-brand-600\n\n            peer-hover:group-[]\/content-text:dark:text-brand-400\n            group-hover\/content-text-lower:dark:text-brand-400\n            \n            peer-hover:group-[]\/content-text:underline\n            group-hover\/content-text-lower:underline\n            \n        \">\n            Oracle Parent and Child Cursors: The Library Cache Sharing Model, Soft Parse Deep Dive, and Cursor Version Count Diagnostics        <\/h1>\n                    <p class=\"mb-0\">\n                Oracle parent and child cursors explained &#8211; how the library cache shares SQL execution plans across identical statements while maintaining&#8230;            <\/p>\n            <\/div>\n            <div class=\"flex items-center gap-1 mt-md\">\n            <time>12 December 2016<\/time>\n            <span class=\"w-1 h-1 bg-current\tinline-block my-auto rounded-full\"><\/span>\n            <span>11 min read<\/span>\n                    <\/div>\n    <\/a>        <\/div>\n    <\/article>\n<\/div>\n\n\n<div class=\"@container\">\n    <article class=\"flex gap-2xl items-center flex-col @md:flex-row-reverse\">\n        <div class=\"w-full @md:w-1\/3 flex items-center justify-center peer\">\n            <a href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-1\/\" aria-label=\"Oracle SQL Query Parsing: Hard Parse vs Soft Parse, Cursor Caching, Library Cache, and Query Transformation\" class=\"no-underline relative aspect-3\/2 bg-gray-100 border border-gray-100 dark:border-gray-800 flex items-center justify-center flex-col gap-md w-full p-md\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"font-display-slab text-2xl text-base-black text-center w-full hyphens-auto\">Oracle<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" class=\"w-24\" src=\"https:\/\/www.red-gate.com\/simple-talk\/wp-content\/themes\/simple-talk-theme-2024\/assets\/images\/logos\/st-logo.svg\" alt=\"Simple-Talk Logo\" width=\"153\" height=\"33\">\n\t\t\t<\/a>        <\/div>\n        <div class=\"w-full @md:w-2\/3 overflow-auto group\/content-text\">\n            \n<div class=\"block mb-md align-middle\">\n            \n        <a\n        href=\"https:\/\/www.red-gate.com\/simple-talk\/author\/aman-sharma\/\"\n        class=\"group\/author inline align-middle no-style min-w-fit\"\n        rel=\"author\"\n    >\n        <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/bea07f25b5856af3cadb5599e111a26721fe8938d80eb23a3fd1cc9528cfeeee?s=80&#038;d=mm&#038;r=g\"\n            alt=\"Image of author: Aman Sharma\" \n            class=\"rounded-full align-middle w-6 h-6 duration-200 inline-block object-cover\"\/>\n        <span class=\"group-hover\/author:text-brand-600 peer\/ftr-image:text-brand-600 group-hover\/author:dark:text-brand-400 peer\/ftr-image:dark:text-brand-400 group-hover\/author:underline min-w-fit align-middle duration-200\">Aman Sharma<\/span>\n    <\/a>\n\n        <span class=\"card__categories align-middle\">\n                                                        <span class=\"text-gray-600 align-middle dark:text-gray-400\">in<\/span>\n                    <a\n                    class=\"inline align-middle no-underline hover:text-brand-600 hover:dark:text-brand-400 hover:underline\"\n                    href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/\">\n                            Oracle                    <\/a>\n                                        <\/span>\n<\/div>\n<a class=\"no-underline group\/content-text-lower\" href=\"https:\/\/www.red-gate.com\/simple-talk\/databases\/oracle-databases\/understanding-sql-query-parsing-part-1\/ \">\n    <div>\n        <h1 class=\"\n            duration-200 mt-0 mb-1 text-xl\n            \n            peer-hover:group-[]\/content-text:text-brand-600\n            group-hover\/content-text-lower:text-brand-600\n\n            peer-hover:group-[]\/content-text:dark:text-brand-400\n            group-hover\/content-text-lower:dark:text-brand-400\n            \n            peer-hover:group-[]\/content-text:underline\n            group-hover\/content-text-lower:underline\n            \n        \">\n            Oracle SQL Query Parsing: Hard Parse vs Soft Parse, Cursor Caching, Library Cache, and Query Transformation        <\/h1>\n                    <p class=\"mb-0\">\n                Oracle SQL query parsing explained &#8211; the query processing workflow from SQL statement to execution plan, the difference between hard&#8230;            <\/p>\n            <\/div>\n            <div class=\"flex items-center gap-1 mt-md\">\n            <time>05 September 2016<\/time>\n            <span class=\"w-1 h-1 bg-current\tinline-block my-auto rounded-full\"><\/span>\n            <span>16 min read<\/span>\n                    <\/div>\n    <\/a>        <\/div>\n    <\/article>\n<\/div>\n\n\n            <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Here&#8217;s everything you need to know about Oracle SQL query parsing in one detailed mini-series.&hellip;<\/p>\n","protected":false},"author":343608,"featured_media":0,"template":"","tags":[4168,4170,4459,159399,4150],"coauthors":[159208],"class_list":["post-111022","collection","type-collection","status-publish","hentry","tag-database","tag-database-administration","tag-oracle","tag-oraclesqlqueryguide","tag-sql"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/collection\/111022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/collection"}],"about":[{"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/types\/collection"}],"author":[{"embeddable":true,"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/users\/343608"}],"wp:attachment":[{"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/media?parent=111022"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/tags?post=111022"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.red-gate.com\/simple-talk\/wp-json\/wp\/v2\/coauthors?post=111022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}