{"id":754,"date":"2022-01-08T20:37:17","date_gmt":"2022-01-08T12:37:17","guid":{"rendered":"http:\/\/www.henrycome.com\/wordpress\/?p=754"},"modified":"2022-03-19T09:41:20","modified_gmt":"2022-03-19T01:41:20","slug":"20220108203713","status":"publish","type":"post","link":"http:\/\/www.henrycome.com\/wordpress\/202201082037\/754","title":{"rendered":"\u3010\u6570\u636e\u5e93\u57fa\u7840\u3011SQL\u57fa\u7840-\u589e\u5220\u6539\u67e5\u3001\u9650\u5236\u8bed\u53e5\u3001\u8868\u64cd\u4f5c"},"content":{"rendered":"\n

\u6982\u5ff5\u548c\u7279\u70b9<\/h2>\n\n\n\n

\u53e6\u5916\u8bf4\u4e00\u4e0b\uff0c\u6570\u636e\u5e93\u7684\u6982\u5ff5\u5728\u4e0d\u540c\u573a\u5408\u6709\u4e0d\u540c\u7684\u542b\u4e49\u3002\u53ef\u4ee5\u662f\u6307\u8f6f\u4ef6\uff08\u901a\u5e38\u914d\u5957\u81ea\u5df1\u7684\u6570\u636e\u5e93\u6280\u672f\uff0c\u6bd4\u5982Mysql\uff0cOracle\uff0cSQL Server\uff09\uff0c\u53ef\u4ee5\u771f\u7684\u662f\u4e00\u4e2a\u6570\u636e\u5e93\uff08\u67d0\u4e2a\u6570\u636e\u5e93\uff09\uff0c\u53ef\u4ee5\u771f\u7684\u662f\u4e00\u4e2a\u6570\u636e\u5e93\u91cc\u9762\u7684\u6570\u636e\u5e93\u3002\uff08\u5e93-\u5e93-\u8868\uff09\uff0c\u8bb0\u5f97\u82f1\u6587\u6982\u5ff5\u91cc\u9762\u6709\u660e\u786e\u533a\u5206\u3002\u8fd9\u91cc\u8bf4\u7684\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u53e6\u5916\u6709NoSQL\u6570\u636e\u5e93\uff08\u6682\u65f6\u4e0d\u61c2\uff09\u3002<\/p>\n\n\n\n

SQL\u8bed\u53e5\u5bf9\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff0c\u5c31\u662f\u8bf4\u53ef\u4ee5\u7528\u5927\u5199\u4e5f\u53ef\u4ee5\u7528\u5c0f\u5199\u3002\u5728\u4e0e\u7f16\u7a0b\u8bed\u8a00\u914d\u5408\u7684\u65f6\u5019\uff0c\u6211\u7684\u7ecf\u9a8c\u770b\u662f\u4f5c\u4e3a\u5b57\u7b26\u4e32\u6765\u4f7f\u7528\u7684\u3002\uff08\u6211\u7528\u8fc7\u7684\u7ecf\u9a8c\u53ea\u6709PHP\u548cVBA\uff09<\/p>\n\n\n\n

\u589e\u5220\u6539\u67e5<\/h2>\n\n\n\n

\u8bf4\u5230\u6570\u636e\u5e93\uff0c\u5e38\u5e38\u542c\u5230\u6216\u770b\u5230\u201c\u589e\u5220\u6539\u67e5\u201d4\u4e2a\u5b57\uff0c\u4ee3\u88684\u4e2a\u529f\u80fd\u3002\u4e5f\u662f4\u79cd\u8bed\u53e5\u3002\u5176\u5b9e\uff0c\u6211\u4eec\u5b66\u4e60\u7684\u987a\u5e8f\u5e94\u8be5\u662f\u201c\u67e5\u6539\u589e\u5220\u201d\u3002\u597d\u8bdd\u4e0d\u591a\u8bf4\uff0c\u5f00\u59cb\uff0c\u65f6\u95f4\u6709\u9650\u3002\u6765\u4e0d\u53ca\u592a\u4e25\u8c28\uff0c\u56de\u5fc6\u7740\u6765\u5199\uff0c\u54b1\u5148\u4e0d\u5ba1\u67e5\u5185\u5bb9\u4e86\u3002<\/p>\n\n\n\n

\u67e5<\/h3>\n\n\n\n

SQL SELECT \u8bed\u53e5 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-select.html<\/a><\/p>\n\n\n\n

#\u67e5\u7684\u8bed\u6cd5\nSELECT column_name,column_name\nFROM table_name;\n\n#\u5982\u679c\u60f3\u5728\u7b5b\u9009\u51fa\u7684\u7ed3\u679c\u4e2d\u518d\u63d0\u70bc\u5f52\u7eb3\u4e00\u4e0b\uff0c\u52a0\u4e0aDISTINCT\n\nSELECT DISTINCT column_name,column_name\nFROM table_name;<\/pre>\n\n\n\n
\u7ed3\u679c\u6392\u5e8f<\/h3>\n\n\n\n
SQL ORDER BY \u5173\u952e\u5b57 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-orderby.html<\/a><\/p>\n\n\n\n
Henry\u4e00\u53e5\u8bdd\uff1a\u53ef\u4ee5\u89c4\u5b9a\u7ed3\u679c\u4ee5\u4ec0\u4e48\u987a\u5e8f\u6765\u5217\u51fa\u3002ASC\u8868\u793a\u5347\u5e8f\uff0cDESC\u8868\u793a\u964d\u5e8f\u3002\u6570\u5b57\uff0c\u82f1\u6587\u5b57\u7b26\uff0c\u4e2d\u6587\u5b57\u7b26\u7684\u6392\u5e8f\u89c4\u5219\u6211\u89c9\u5f97\u4e00\u5b9a\u6709\u4e0d\u4e00\u6837\u7684\u5730\u65b9\u3002\u5e73\u65f6\u5728\u7535\u8111\u6587\u4ef6\u7ba1\u7406\u5668\u7ba1\u7406\u6587\u4ef6\uff0cWPS\/EXCEL\u8868\u683c\u6392\u5e8f\u7684\u65f6\u5019\uff0c\u80fd\u591f\u53d1\u73b0\u8fd9\u4e2a\u989d\u95ee\u9898\u3002\u76ee\u524d\u4e0d\u786e\u5b9a\uff0c\u56de\u5934\u518d\u8bf4\u3002<\/p>\n\n\n\n
#ASC\u8868\u793a\u5347\u5e8f\uff0cDESC\u8868\u793a\u964d\u5e8f\n\nSELECT column_name,column_name\nFROM table_name\nORDER BY column_name,column_name ASC|DESC;<\/pre>\n\n\n\n
\u6539\uff08\u66f4\u65b0\uff09<\/h3>\n\n\n\n
SQL UPDATE \u8bed\u53e5 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-update.html<\/a><\/p>\n\n\n\n
Henry\u4e00\u53e5\u8bdd\uff1a\u6211\u8bb0\u5f97\u90fd\u662f\u52a0where\u8bed\u53e5\u6765\u4f7f\u7528\uff0c\u4e0d\u7136\u7684\u8bdd\uff0c\u4f1a\u628a\u6574\u5217\u7684\u503c\u90fd\u4e00\u8d77\u6539\u4e86\u3002<\/p>\n\n\n\n
UPDATE table_name\nSET column1=value1,column2=value2,...\nWHERE some_column=some_value;<\/pre>\n\n\n\n
\u589e<\/h3>\n\n\n\n
SQL INSERT INTO \u8bed\u53e5 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-insert.html<\/a><\/p>\n\n\n\n
Henry\u4e00\u53e5\u8bdd\uff1a\u4e0d\u6307\u5b9a\u5217\u540d\uff0c\u6309\u5217\u7684\u987a\u5e8f\u589e\u52a0\uff0c\u65e0\u9700\u589e\u52a0\u7684\u5217\u4e5f\u8981\u7559\u4f4d\u7f6e\uff08\u7a7a\uff09\uff1b\u6307\u5b9a\u5217\u540d\uff0c\u6309\u6307\u5b9a\u589e\u52a0\u3002\u503c\u3001\u5217\u540d\u90fd\u7528\u9017\u53f7\u9694\u5f00\u3002<\/p>\n\n\n\n
#\u7b2c\u4e00\u79cd\u5f62\u5f0f\u65e0\u9700\u6307\u5b9a\u8981\u63d2\u5165\u6570\u636e\u7684\u5217\u540d\uff0c\u53ea\u9700\u63d0\u4f9b\u88ab\u63d2\u5165\u7684\u503c\u5373\u53ef\uff1a\n\nINSERT INTO table_name\nVALUES (value1,value2,value3,...);\n\n#\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u9700\u8981\u6307\u5b9a\u5217\u540d\u53ca\u88ab\u63d2\u5165\u7684\u503c\uff1a\n\nINSERT INTO table_name (column1,column2,column3,...)\nVALUES (value1,value2,value3,...);<\/pre>\n\n\n\n
\u5220<\/h3>\n\n\n\n
SQL DELETE \u8bed\u53e5 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-delete.html<\/a><\/p>\n\n\n\n
DELETE FROM table_name\nWHERE some_column=some_value;<\/pre>\n\n\n\n
\u9650\u5236\u8bed\u53e5\uff08\u6211\u8fd9\u4e48\u79f0\u547c\uff09<\/h2>\n\n\n\n
where\u3001and\u548cor<\/h3>\n\n\n\n
SQL WHERE \u5b50\u53e5 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-where.html<\/a><\/p>\n\n\n\n
SQL AND & OR \u8fd0\u7b97\u7b26 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-and-or.html<\/a><\/p>\n\n\n\n
Henry\u4e00\u53e5\u8bdd\uff1a\u505a\u4e00\u4e2a\u7b5b\u9009\u548c\u9650\u5b9a\u7684\u4f5c\u7528\uff0c\u914d\u5408\u201c\u589e\u5220\u6539\u67e5\u201d\u6765\u7cbe\u786e\u64cd\u4f5c\u3002\u6bd4\u5982\uff1a\u7b5b\u9009\u51fa\u53eb\u201c\u5f20\u6052\u201d\u7684\u4eba\uff0c\u7528where name=\u201c\u5f20\u6052\u201d\uff0c\u5982\u679c\u53c8\u52a0\u4e0a\u7537\u6027\uff0c\u7528where name=\u201c\u5f20\u6052\u201d and sex=\u201c\u7537\u201d\u3002\u6709\u5176\u4ed6\u7f16\u7a0b\u57fa\u7840\u90fd\u4f1a\u6709\u8fd9\u4e2aand\u548cor\uff0c\u5c31\u662f\u903b\u8f91\u5224\u65ad\u3002<\/p>\n\n\n\n
SELECT column_name,column_name\nFROM table_name\nWHERE column_name operator value;<\/pre>\n\n\n\n
WHERE \u5b50\u53e5\u4e2d\u7684\u8fd0\u7b97\u7b26\uff1a\uff08\u4ece\u83dc\u9e1f\u6559\u7a0b\u7f51\u7ad9\u590d\u5236\uff0c\u611f\u8c22\uff0c\u5177\u4f53\u7f51\u5740\uff1ahttps:\/\/www.runoob.com\/sql\/sql-where.html<\/a>\uff09<\/p>\n\n\n\n
\u8fd0\u7b97\u7b26<\/th>\u63cf\u8ff0<\/th><\/tr>
=<\/td>\u7b49\u4e8e<\/td><\/tr>
<><\/td>\u4e0d\u7b49\u4e8e\u3002\u6ce8\u91ca\uff1a<\/strong>\u5728 SQL \u7684\u4e00\u4e9b\u7248\u672c\u4e2d\uff0c\u8be5\u64cd\u4f5c\u7b26\u53ef\u88ab\u5199\u6210 !=<\/td><\/tr>
><\/td>\u5927\u4e8e<\/td><\/tr>
<<\/td>\u5c0f\u4e8e<\/td><\/tr>
>=<\/td>\u5927\u4e8e\u7b49\u4e8e<\/td><\/tr>
<=<\/td>\u5c0f\u4e8e\u7b49\u4e8e<\/td><\/tr>
BETWEEN<\/td>\u5728\u67d0\u4e2a\u8303\u56f4\u5185|SQL BETWEEN \u64cd\u4f5c\u7b26 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-between.html<\/a><\/td><\/tr>
LIKE<\/td>\u641c\u7d22\u67d0\u79cd\u6a21\u5f0f|SQL LIKE \u64cd\u4f5c\u7b26 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-like.html<\/a><\/td><\/tr>
IN<\/td>\u6307\u5b9a\u9488\u5bf9\u67d0\u4e2a\u5217\u7684\u591a\u4e2a\u53ef\u80fd\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u901a\u914d\u7b26<\/h3>\n\n\n\n
SQL \u901a\u914d\u7b26 | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-wildcards.html<\/a><\/p>\n\n\n\n
\u901a\u914d\u7b26\u914d\u5408\u5176\u4ed6\u8bed\u53e5\uff0c\u5370\u8c61\u7279\u522b\u6df1\u523b\u5c31\u662f\u548clike\u914d\u5408\u4f7f\u7528\u3002\u8fd9\u4e2a\u7528\u6cd5\u5176\u4ed6\u5730\u65b9\u4e5f\u80fd\u9047\u5230\uff0c\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u6709\u70b9\u50cf\u3002\u6bd4\u5982\uff1a\u7b5b\u9009\u51fa\u6240\u6709active\u5f00\u5934\u7684\u5355\u8bcd\uff0c\u7528like “active%”\u3002<\/p>\n\n\n\n
\u9650\u5b9a\u8fd4\u56de\u6761\u76ee<\/p>\n\n\n\n
SQL SELECT TOP, LIMIT, ROWNUM | \u83dc\u9e1f\u6559\u7a0b
https:\/\/www.runoob.com\/sql\/sql-top.html<\/p>\n\n\n\n
Henry\u4e00\u53e5\u8bdd\uff1a\u4e0d\u7528\u8fd4\u56de\u592a\u591a\uff0c\u4e00\u70b9\u70b9\u5c31\u591f\u4e86\uff01\u8fd9\u4e2a\u4e4b\u524d\u6ca1\u6709\u7528\u8fc7\uff0c\u4f46\u662f\u770b\u83dc\u9e1f\u6559\u7a0b\u4e2d\u7684\u8bf4\u660e\uff0cMysql\uff0cOracle\uff0cSQL Server\u4e0d\u592a\u4e00\u6837\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u5ff5\u548c\u7279\u70b9 \u53e6\u5916\u8bf4\u4e00\u4e0b\uff0c\u6570\u636e\u5e93\u7684\u6982\u5ff5\u5728\u4e0d\u540c\u573a\u5408\u6709\u4e0d\u540c\u7684\u542b\u4e49\u3002\u53ef\u4ee5\u662f\u6307\u8f6f\u4ef6\uff08\u901a\u5e38\u914d\u5957\u81ea\u5df1\u7684\u6570\u636e\u5e93\u6280\u672f\uff0c\u6bd4\u5982Mys […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,49],"tags":[],"_links":{"self":[{"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/posts\/754"}],"collection":[{"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/comments?post=754"}],"version-history":[{"count":5,"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/posts\/754\/revisions"}],"predecessor-version":[{"id":1020,"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/posts\/754\/revisions\/1020"}],"wp:attachment":[{"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/media?parent=754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/categories?post=754"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.henrycome.com\/wordpress\/wp-json\/wp\/v2\/tags?post=754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}