{"id":142085,"date":"2024-10-31T22:23:21","date_gmt":"2024-10-31T14:23:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/142085\/"},"modified":"2024-10-31T22:23:22","modified_gmt":"2024-10-31T14:23:22","slug":"sql-plus-%e5%ad%b8%e7%bf%92%e7%ad%86%e8%a8%98%e4%b9%8b-echo-%e5%92%8c-spool-%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/142085\/","title":{"rendered":"SQL\/PLUS \u5b78\u7fd2\u7b46\u8a18\u4e4b ECHO \u548c SPOOL \u7684\u4f7f\u7528"},"content":{"rendered":"

SQL\/PLUS \u5b78\u7fd2\u7b46\u8a18\u4e4b ECHO \u548c SPOOL \u7684\u4f7f\u7528<\/h1>\n

\u5728\u5b78\u7fd2 SQL\/PLUS \u7684\u904e\u7a0b\u4e2d\uff0cECHO \u548c SPOOL \u662f\u5169\u500b\u975e\u5e38\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u8a18\u9304 SQL \u67e5\u8a62\u7684\u7d50\u679c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u500b\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n

ECHO \u547d\u4ee4<\/h2>\n

ECHO \u547d\u4ee4\u7528\u65bc\u63a7\u5236 SQL\/PLUS \u4e2d\u7684\u8f38\u51fa\u986f\u793a\u3002\u7576 ECHO \u8a2d\u7f6e\u70ba ON \u6642\uff0cSQL\/PLUS \u5c07\u986f\u793a\u57f7\u884c\u7684\u6bcf\u4e00\u689d SQL \u8a9e\u53e5\uff1b\u7576\u8a2d\u7f6e\u70ba OFF \u6642\uff0c\u5247\u4e0d\u986f\u793a\u3002\u9019\u5c0d\u65bc\u8abf\u8a66\u548c\u8a18\u9304\u67e5\u8a62\u904e\u7a0b\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n

\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n
SQL> ECHO ON;\nSQL> SELECT * FROM employees;\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c\u7576 ECHO \u8a2d\u7f6e\u70ba ON \u6642\uff0c\u57f7\u884c\u7684 SQL \u8a9e\u53e5\u6703\u986f\u793a\u5728\u5c4f\u5e55\u4e0a\uff0c\u9019\u6a23\u7528\u6236\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u6bcf\u4e00\u689d\u57f7\u884c\u7684\u8a9e\u53e5\u3002<\/p>\n
\u76f8\u53cd\uff0c\u7576 ECHO \u8a2d\u7f6e\u70ba OFF \u6642\uff0c\u57f7\u884c\u7684 SQL \u8a9e\u53e5\u5c07\u4e0d\u6703\u986f\u793a\uff0c\u9019\u5728\u9700\u8981\u6e05\u6670\u8f38\u51fa\u7d50\u679c\u6642\u975e\u5e38\u6709\u7528\u3002<\/p>\n
SQL> ECHO OFF;\nSQL> SELECT * FROM employees;\n<\/code><\/pre>\n
SPOOL \u547d\u4ee4<\/h2>\n
SPOOL \u547d\u4ee4\u7528\u65bc\u5c07 SQL\/PLUS \u7684\u8f38\u51fa\u7d50\u679c\u5beb\u5165\u5230\u6587\u4ef6\u4e2d\u3002\u9019\u5c0d\u65bc\u9700\u8981\u4fdd\u5b58\u67e5\u8a62\u7d50\u679c\u6216\u751f\u6210\u5831\u544a\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528 SPOOL \u547d\u4ee4\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u8f38\u51fa\u6587\u4ef6\u7684\u540d\u7a31\uff0c\u4e26\u5728\u67e5\u8a62\u7d50\u675f\u5f8c\u505c\u6b62\u8f38\u51fa\u3002<\/p>\n
\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n
SQL> SPOOL employees_report.txt;\nSQL> SELECT * FROM employees;\nSQL> SPOOL OFF;\n<\/code><\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u9996\u5148\u4f7f\u7528 SPOOL \u547d\u4ee4\u958b\u59cb\u5c07\u8f38\u51fa\u5beb\u5165\u540d\u70ba employees_report.txt<\/code> \u7684\u6587\u4ef6\u4e2d\u3002\u63a5\u8457\u57f7\u884c\u67e5\u8a62\uff0c\u6700\u5f8c\u4f7f\u7528 SPOOL OFF<\/code> \u505c\u6b62\u8f38\u51fa\u3002\u9019\u6a23\uff0c\u67e5\u8a62\u7d50\u679c\u5c07\u88ab\u4fdd\u5b58\u5230\u6307\u5b9a\u7684\u6587\u4ef6\u4e2d\uff0c\u65b9\u4fbf\u5f8c\u7e8c\u67e5\u770b\u6216\u5206\u4eab\u3002<\/p>\n
\u7d50\u5408\u4f7f\u7528 ECHO \u548c SPOOL<\/h2>\n
\u5728\u5be6\u969b\u64cd\u4f5c\u4e2d\uff0cECHO \u548c SPOOL \u53ef\u4ee5\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8a18\u9304\u67e5\u8a62\u904e\u7a0b\u548c\u7d50\u679c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728 SPOOL \u958b\u59cb\u4e4b\u524d\u8a2d\u7f6e ECHO \u70ba ON\uff0c\u9019\u6a23\u5728\u751f\u6210\u5831\u544a\u7684\u540c\u6642\uff0c\u4e5f\u80fd\u8a18\u9304\u4e0b\u57f7\u884c\u7684 SQL \u8a9e\u53e5\u3002<\/p>\n
SQL> ECHO ON;\nSQL> SPOOL employees_report.txt;\nSQL> SELECT * FROM employees;\nSQL> SPOOL OFF;\nSQL> ECHO OFF;\n<\/code><\/pre>\n
\u9019\u6a23\u7684\u64cd\u4f5c\u4e0d\u50c5\u80fd\u5920\u751f\u6210\u67e5\u8a62\u7d50\u679c\u7684\u5831\u544a\uff0c\u9084\u80fd\u5920\u4fdd\u7559\u57f7\u884c\u904e\u7a0b\u7684\u8a73\u7d30\u8a18\u9304\uff0c\u5c0d\u65bc\u5f8c\u7e8c\u7684\u67e5\u8a62\u5206\u6790\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
ECHO \u548c SPOOL \u662f SQL\/PLUS \u4e2d\u975e\u5e38\u5be6\u7528\u7684\u547d\u4ee4\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u8a18\u9304\u67e5\u8a62\u904e\u7a0b\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u9019\u4e9b\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u4e26\u751f\u6210\u6e05\u6670\u7684\u67e5\u8a62\u5831\u544a\u3002\u5982\u679c\u60a8\u5c0d\u65bc \u9999\u6e2f VPS<\/a> \u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22 SQL\/PLUS \u4e2d ECHO \u548c SPOOL \u7684\u4f7f\u7528\u6280\u5de7\uff0c\u63d0\u5347\u4f60\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\uff0c\u8f15\u9b06\u8a18\u9304\u548c\u7ba1\u7406\u67e5\u8a62\u7d50\u679c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-142085","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=142085"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142085\/revisions"}],"predecessor-version":[{"id":142086,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142085\/revisions\/142086"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=142085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=142085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=142085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}