{"id":18704,"date":"2025-05-25T17:13:59","date_gmt":"2025-05-25T09:13:59","guid":{"rendered":"https:\/\/www.orczhou.com\/?p=18704"},"modified":"2025-05-26T18:39:16","modified_gmt":"2025-05-26T10:39:16","slug":"using-oracle-cloud-oci-mysql-vector","status":"publish","type":"post","link":"https:\/\/www.orczhou.com\/index.php\/2025\/05\/using-oracle-cloud-oci-mysql-vector\/","title":{"rendered":"\u4f7f\u7528Oracle\u4e91\u4e0a\u7684MySQL 9.x\u4f5c\u4e3a\u5411\u91cf\u5b58\u50a8"},"content":{"rendered":"<div id=\"tocer-1\" class=\"tocer tocer-pos-flt-e\"><div class=\"tocer-toc\"><header class=\"tocer-header\"><h2 class=\"tocer-title\">\u76ee\u5f55<\/h2>\n<\/header>\n<ul class=\"tocer-list tocer-adv tocer-sp-os-bf tocer-st-ctrs-dec tocer-lvl1\"><li><div><a href=\"#tocer-heading-1\">MySQL\u7684\u5411\u91cf\u5904\u7406\u73b0\u72b6<\/a><\/div><\/li>\n<li class=\"tocer-has-sub\"><div><a href=\"#tocer-heading-2\">MySQL\u4e2d\u7684\u5411\u91cf\u6570\u636e\u7c7b\u578b<\/a><\/div>\n<ul class=\"tocer-sublist tocer-lvl2\"><li><div><a href=\"#tocer-heading-3\">\u5411\u91cf\u6570\u636e\u5b58\u50a8<\/a><\/div><\/li>\n<li><div><a href=\"#tocer-heading-4\">\u5199\u5165\u5411\u91cf\u6570\u636e<\/a><\/div><\/li>\n<\/ul>\n<\/li>\n<li class=\"tocer-has-sub\"><div><a href=\"#tocer-heading-5\">\u67e5\u8be2\u5411\u91cf\u6570\u636e<\/a><\/div>\n<ul class=\"tocer-sublist tocer-lvl2\"><li><div><a href=\"#tocer-heading-6\">\u4f7f\u7528 VECTOR_TO_STRING<\/a><\/div><\/li>\n<li><div><a href=\"#tocer-heading-7\">\u5341\u516d\u8fdb\u5236\u67e5\u8be2<\/a><\/div><\/li>\n<\/ul>\n<\/li>\n<li><div><a href=\"#tocer-heading-8\">\u8ba1\u7b97\u5411\u91cf\u8ddd\u79bb<\/a><\/div><\/li>\n<li><div><a href=\"#tocer-heading-9\">\u53c2\u8003\u94fe\u63a5<\/a><\/div><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">MySQL\u7684\u5411\u91cf\u5904\u7406\u73b0\u72b6<\/h3>\n\n\n\n<p>\u5411\u91cf\u6570\u636e\u5e93\u6216\u8005\u8bf4\u5411\u91cf\u5904\u7406\u662f\uff0c\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u6700\u4e3a\u91cd\u8981\u6570\u636e\u5e93<code>AI<\/code>\u80fd\u529b\u3002\u76ee\u524d\uff0c\u5404\u4e2a\u6570\u636e\u5e93\u90fd\u5728\u56f4\u7ed5\u7740\u5411\u91cf\u6570\u636e\u5e93\u6784\u5efa\u66f4\u4e3a\u4e30\u5bcc\u7684<code>LLM\/AI<\/code>\u76f8\u5173\u529f\u80fd\u3002\u800c<code>MySQL 9<\/code>\u6700\u4e3a\u91cd\u8981\u7684\u7279\u6027\u4e4b\u4e00\u5c31\u662f\u65b0\u589e\u4e86\u5411\u91cf\u5904\u7406\u80fd\u529b\u3002\u5f53\u524d\u7684\u7248\u672c\u4e3b\u8981\u5305\u62ec\u4e86\uff1a(a) \u5411\u91cf\u6570\u636e\u7c7b\u578b\uff1b(b) \u7b80\u5355\u7684\u5411\u91cf\u5904\u7406\u51fd\u6570\u3002\u5176\u4e2d\u90e8\u5206\u5411\u91cf\u5904\u7406\u51fd\u6570\u653e\u5728\u4e86<code>MySQL<\/code>\u7684\u4f01\u4e1a\u7248\u6216\u4e91\u7248\u672c\u4e2d\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u5f53\u524d<code>MySQL 9<\/code>\u7cfb\u5217\u7684\u7248\u672c\u5747\u4e3a\u521b\u65b0\u7248\uff08\u5e76\u4e0d\u662f\u7a33\u5b9a\u7248\uff09\uff0c\u6240\u4ee5\u76f8\u5173\u529f\u80fd\u8fd8\u4f1a\u4e0d\u65ad\u7684\u8fed\u4ee3\u548c\u53d1\u5c55\u3002\u671f\u5f85\u672a\u6765\u505a\u51fa\u66f4\u591a\u4e30\u5bcc\u529f\u80fd\uff1a(a) \u65b0\u589e\u5411\u91cf\u76f8\u4f3c\u6027\u641c\u7d22\u529f\u80fd\uff1b(b) \u5e76\u5c06\u5b8c\u6574\u7684\u5411\u91cf\u5904\u7406\u80fd\u529b\u653e\u5230\u793e\u533a\u7248\u4e2d\u3002\u540e\u7eed\u4f9d\u65e7\u4f1a\u6301\u7eed\u5173\u6ce8\u8fd9\u90e8\u5206\u7684\u4ea7\u54c1\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u6d4b\u8bd5\u73af\u5883\u4e3a<code>Oracle Cloud<\/code>\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/www.orczhou.com\/index.php\/2025\/05\/using-always-free-eligible-database-on-oci\/\">\u5728 Oracle \u4e91\u4e0a\u514d\u8d39\u6d4b\u8bd5\u6570\u636e\u5e93<\/a><sup>[<a href=\"https:\/\/www.orczhou.com\/index.php\/2025\/05\/using-always-free-eligible-database-on-oci\/\">3<\/a>]<\/sup>\u6587\u4e2d\u521b\u5efa\u4e00\u4e2a\u514d\u8d39\u7684MySQL\u5b9e\u4f8b\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MySQL\u4e2d\u7684\u5411\u91cf\u6570\u636e\u7c7b\u578b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5411\u91cf\u6570\u636e\u5b58\u50a8<\/h4>\n\n\n\n<p>\u5728<code>MySQL 9<\/code>\u4e2d\u65b0\u589e\u4e86\u6570\u636e\u7c7b\u578b<code>vector<\/code>\u7528\u6765\u5b58\u50a8\u5411\u91cf\u6570\u636e<sup>[<a href=\"https:\/\/dev.mysql.com\/doc\/refman\/9.0\/en\/vector.html\">1<\/a>]<\/sup>\uff0c\u7b80\u5355\u7684\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">create table vector_t01 (\n    id int,\n    s_v_01 vector(390),\n    s_v_02 vector(390)\n);<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u8868\u793as_v_01\u3001s_v_02\u5747\u4e3a390\u7ef4\u7684\u5411\u91cf\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u5728MySQL\u4e2d\u4f7f\u7528<code>4 bytes<\/code>\u7684\u5355\u7cbe\u5ea6\u6d6e\u70b9\u7c7b\u578b\u5b58\u50a8\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5199\u5165\u5411\u91cf\u6570\u636e<\/h4>\n\n\n\n<p>\u4e3a\u4e86\u6d4b\u8bd5\u4f7f\u7528\u65b9\u4fbf\uff0c\u8fd9\u91cc\u4f7f\u7528<code>string_to_vector<\/code>\u5bf9\u5411\u91cf\u8fdb\u884c\u8f6c\u6362\u5e76\u8fdb\u884c\u5b58\u50a8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">insert into vector_t01 values (1,string_to_vector('[1,2,3]'),string_to_vector('[4,5,6]'));<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u8be2\u5411\u91cf\u6570\u636e<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f7f\u7528 VECTOR_TO_STRING<\/h4>\n\n\n\n<p>\u4f7f\u7528 <code>SELECT <\/code>\u76f4\u63a5\u67e5\u8be2\u5411\u91cf\u6570\u636e\u7684\u8bdd\uff0c\u5219\u8fd4\u56de\u7684\u662f\u4e8c\u8fdb\u5236\u5f62\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570<a href=\"https:\/\/dev.mysql.com\/doc\/refman\/9.0\/en\/vector-functions.html#function_vector-to-string\"><code>VECTOR_TO_STRING<\/code><\/a>\u505a\u4e00\u6b21\u8f6c\u6362\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">select id,VECTOR_TO_STRING(s_v_01),VECTOR_TO_STRING(s_v_02) FROM vector_t01;\n+------+---------------------------------------+---------------------------------------+\n| id   | VECTOR_TO_STRING(s_v_01)              | VECTOR_TO_STRING(s_v_02)              |\n+------+---------------------------------------+---------------------------------------+\n|    1 | [1.00000e+00,2.00000e+00,3.00000e+00] | [4.00000e+00,5.00000e+00,6.00000e+00] |\n+------+---------------------------------------+---------------------------------------+<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4e0d\u4f7f\u7528<code>VECTOR_TO_STRING<\/code>\u5219\u8fd4\u56de\u7684\u662f\u5e95\u5c42\u7684\u4e8c\u8fdb\u5236\u5b58\u50a8\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">select id,s_v_01,s_v_02 FROM vector_t01;\n+------+--------------+--------------+\n| id   | s_v_01       | s_v_02       |\n+------+--------------+--------------+\n|    1 |   \ufffd?   @  @@  |   \ufffd@  \ufffd@  \ufffd@    |\n+------+--------------+--------------+<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u5341\u516d\u8fdb\u5236\u67e5\u8be2<\/h4>\n\n\n\n<p>\u5982\u679c\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u5c55\u793a\uff0c\u5219\u6709\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">select id,hex(s_v_01),hex(s_v_02) FROM vector_t01;\n+------+--------------------------+--------------------------+\n| id   | hex(s_v_01)              | hex(s_v_02)              |\n+------+--------------------------+--------------------------+\n|    1 | 0000803F0000004000004040 | 000080400000A0400000C040 |\n+------+--------------------------+--------------------------+<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684<code>0000803F0000004000004040<\/code>\u4e00\u5171\u662f3\u4e2a<code>bytes<\/code>\uff0c\u6bcf\u4e2a<code>byte<\/code>\u8868\u793a\u4e00\u4e2a\u5206\u91cf\uff0c\u4f8b\u5982\uff1a<code>0000803F<\/code>\u8868\u793a\u7b2c\u4e00\u4e2a\u5206\u91cf\uff0c\u5373\u4e3a\u5355\u7cbe\u5ea6\u6d6e\u70b9\u578b\u7684<code>1.0<\/code>\uff08\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u5c1d\u8bd5\u505a\u4e2a\u8f6c\u6362\uff0c\u8fd9\u91cc\u4e0d\u518d\u8be6\u8ff0\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8ba1\u7b97\u5411\u91cf\u8ddd\u79bb<\/h3>\n\n\n\n<p>\u76ee\u524d\uff0cMySQL \u652f\u6301\u6700\u4e3a\u5e38\u89c1\u7684\u201c\u8ddd\u79bb\u201d\u7684\u8ba1\u7b97\uff0c\u5177\u4f53\u5305\u62ec\uff1a\u70b9\u79ef\uff08\u9ed8\u8ba4\uff09\u3001\u6b27\u5f0f\u8ddd\u79bb\u3001\u4f59\u5f26\u8ddd\u79bb\u7684\u8ba1\u7b97\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">-- s_v_01: (1,2,3)\n-- s_v_01: (4,5,6)\nSELECT \n  DISTANCE(s_v_01,s_v_02,\"DOT\") as dis_dot,\n  DISTANCE(s_v_01,s_v_02,\"COSINE\") as dis_cos,\n  DISTANCE(s_v_01,s_v_02,\"EUCLIDEAN\") as dis_ecu\nFROM vector_t01;\n\n+---------+----------------------+-------------------+\n| dis_dot | dis_cos              | dis_ecu           |\n+---------+----------------------+-------------------+\n|      32 | 0.025368213653564453 | 5.196152210235596 |\n+---------+----------------------+-------------------+<\/code><\/pre>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u76ee\u524d\u8be5\u8ddd\u79bb\u8ba1\u7b97\u51fd\u6570\uff08<code>DISTANCE<\/code><sup>[<a href=\"https:\/\/dev.mysql.com\/doc\/refman\/9.1\/en\/vector-functions.html#function_distance\">2<\/a>]<\/sup>\uff09\u4ec5\u5728Oracle Cloud\u6216MySQL\u4f01\u4e1a\u7248\u672c\u4e2d\u63d0\u4f9b\u3002\u540e\u7eed\u8fd8\u5c06\u6301\u7eed\u5173\u6ce8MySQL\u6240\u63d0\u4f9b\u7684\u5411\u91cf\u4ea7\u54c1\u80fd\u529b\u3001\u4ee5\u53ca\u5176\u4ed6<code>GenAI<\/code>\u76f8\u5173\u529f\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u53c2\u8003\u94fe\u63a5<\/h3>\n\n\n\n<ul class=\"wp-block-list is-style-no-disc\">\n<li>[1] <a href=\"https:\/\/dev.mysql.com\/doc\/refman\/9.0\/en\/vector.html\">MySQL 9.0 Reference Manual :: 13.3.5 The VECTOR Type<\/a><\/li>\n\n\n\n<li>[2] <a href=\"https:\/\/dev.mysql.com\/doc\/refman\/9.1\/en\/vector-functions.html#function_distance\">MySQL 9.1 Reference Manual :: 14.21 Vector Functions<\/a><\/li>\n\n\n\n<li>[3] <a href=\"https:\/\/www.orczhou.com\/index.php\/2025\/05\/using-always-free-eligible-database-on-oci\/\">\u5728 Oracle \u4e91\u4e0a\u514d\u8d39\u6d4b\u8bd5\u6570\u636e\u5e93<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u7684\u5411\u91cf\u5904\u7406\u73b0\u72b6 \u5411\u91cf\u6570\u636e\u5e93\u6216\u8005\u8bf4\u5411\u91cf\u5904\u7406\u662f\uff0c\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u6700\u4e3a\u91cd\u8981\u6570\u636e\u5e93AI\u80fd\u529b\u3002\u76ee\u524d\uff0c\u5404\u4e2a\u6570\u636e\u5e93\u90fd\u5728\u56f4\u7ed5\u7740\u5411\u91cf\u6570\u636e\u5e93\u6784\u5efa\u66f4\u4e3a\u4e30\u5bcc\u7684LLM\/AI\u76f8\u5173\u529f\u80fd\u3002\u800cMySQL 9\u6700\u4e3a\u91cd\u8981\u7684\u7279\u6027\u4e4b\u4e00\u5c31\u662f\u65b0\u589e\u4e86\u5411\u91cf\u5904\u7406\u80fd\u529b\u3002\u5f53\u524d\u7684\u7248\u672c\u4e3b\u8981\u5305\u62ec\u4e86\uff1a(a) \u5411\u91cf\u6570\u636e\u7c7b\u578b\uff1b(b) \u7b80\u5355\u7684\u5411\u91cf\u5904\u7406\u51fd\u6570\u3002\u5176\u4e2d\u90e8\u5206\u5411\u91cf\u5904\u7406\u51fd\u6570\u653e\u5728\u4e86MySQL\u7684\u4f01\u4e1a\u7248\u6216\u4e91\u7248\u672c\u4e2d\u3002 \u56e0\u4e3a\u5f53\u524dMySQL 9\u7cfb\u5217\u7684\u7248\u672c\u5747\u4e3a\u521b\u65b0\u7248\uff08\u5e76\u4e0d\u662f\u7a33\u5b9a\u7248\uff09\uff0c\u6240\u4ee5\u76f8\u5173\u529f\u80fd\u8fd8\u4f1a\u4e0d\u65ad\u7684\u8fed\u4ee3\u548c\u53d1\u5c55\u3002\u671f\u5f85\u672a\u6765\u505a\u51fa\u66f4\u591a\u4e30\u5bcc\u529f\u80fd\uff1a(a) \u65b0\u589e\u5411\u91cf\u76f8\u4f3c\u6027\u641c\u7d22\u529f\u80fd\uff1b(b) \u5e76\u5c06\u5b8c\u6574\u7684\u5411\u91cf\u5904\u7406\u80fd\u529b\u653e\u5230\u793e\u533a\u7248\u4e2d\u3002\u540e\u7eed\u4f9d\u65e7\u4f1a\u6301\u7eed\u5173\u6ce8\u8fd9\u90e8\u5206\u7684\u4ea7\u54c1\u80fd\u529b\u3002 \u672c\u6587\u6d4b\u8bd5\u73af\u5883\u4e3aOracle Cloud\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003\u5728 Oracle \u4e91\u4e0a\u514d\u8d39\u6d4b\u8bd5\u6570\u636e\u5e93[3]\u6587\u4e2d\u521b\u5efa\u4e00\u4e2a\u514d\u8d39\u7684MySQL\u5b9e\u4f8b\u8fdb\u884c\u6d4b\u8bd5\u3002 MySQL\u4e2d\u7684\u5411\u91cf\u6570\u636e\u7c7b\u578b \u5411\u91cf\u6570\u636e\u5b58\u50a8 \u5728MySQL 9\u4e2d\u65b0\u589e\u4e86\u6570\u636e\u7c7b\u578bvector\u7528\u6765\u5b58\u50a8\u5411\u91cf\u6570\u636e[1]\uff0c\u7b80\u5355\u7684\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a \u8fd9\u91cc\u8868\u793as_v_01\u3001s_v_02\u5747\u4e3a390\u7ef4\u7684\u5411\u91cf\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u5728MySQL\u4e2d\u4f7f\u75284 bytes\u7684\u5355\u7cbe\u5ea6\u6d6e\u70b9\u7c7b\u578b\u5b58\u50a8\u3002 \u5199\u5165\u5411\u91cf\u6570\u636e \u4e3a\u4e86\u6d4b\u8bd5\u4f7f\u7528\u65b9\u4fbf\uff0c\u8fd9\u91cc\u4f7f\u7528string_to_vector\u5bf9\u5411\u91cf\u8fdb\u884c\u8f6c\u6362\u5e76\u8fdb\u884c\u5b58\u50a8\uff1a \u67e5\u8be2\u5411\u91cf\u6570\u636e \u4f7f\u7528 VECTOR_TO_STRING \u4f7f\u7528 SELECT \u76f4\u63a5\u67e5\u8be2\u5411\u91cf\u6570\u636e\u7684\u8bdd\uff0c\u5219\u8fd4\u56de\u7684\u662f\u4e8c\u8fdb\u5236\u5f62\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570VECTOR_TO_STRING\u505a\u4e00\u6b21\u8f6c\u6362\uff1a 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