<\/span><\/h2>\n\n\n\n\u6ce8\u610f\uff0c\u6307\u5b9a\u7684\u662f10\u4f4d\uff0c\u7ed3\u679c\u4e3a14\u4f4d\uff0cGBase\u9ed8\u8ba4\u989d\u5916\u591a\u51fa\u67654\u4f4d\u7ed3\u679c\uff0c\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\u3002<\/p>\n\n\n\n
gbase> select cast(1 as decimal(60,10))\/1024000;\r\n+-----------------------------------+\r\n| cast(1 as decimal(60,10))\/1024000 |\r\n+-----------------------------------+\r\n| 0.00000097656250 |\r\n+-----------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n\u5982\u679c\u7ed3\u679c\u96c6\u9700\u898110\u4e3a\uff0c\u53ef\u4ee5\u7528round\u7b49\u51fd\u6570\u6307\u5b9a<\/p>\n\n\n\n
gbase> select round(cast(1 as decimal(60,10))\/1024000,10);\r\n+---------------------------------------------+\r\n| round(cast(1 as decimal(60,10))\/1024000,10) |\r\n+---------------------------------------------+\r\n| 0.0000009766 |\r\n+---------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<\/span>\u5bf9\u4e8e\u8868\u5b57\u6bb5\u7c7b\u578b\uff0c\u9ed8\u8ba4\u4e5f\u662f\u4ee5decimal\u7684\u7cbe\u5ea6\u4e3a\u51c6\u7684<\/span><\/h2>\n\n\n\n\u9ed8\u8ba4\u5b57\u6bb5\u8fd0\u7b97\u7ed3\u679c\uff0c\u4e5f\u662f\u5b9a\u4e49\u7684\u7cbe\u5ea6+4\u4f4d<\/p>\n\n\n\n
\ngbase> create table tdecimal(num decimal(60,8));\nQuery OK, 0 rows affected (Elapsed: 00:00:00.38)\n\ngbase> insert into tdecimal values (1),(2.3456789);\nQuery OK, 2 rows affected (Elapsed: 00:00:00.11)\nRecords: 2 Duplicates: 0 Warnings: 0\n\ngbase> select * from tdecimal;\n+------------+\n| num |\n+------------+\n| 1.00000000 |\n| 2.34567890 |\n+------------+\n2 rows in set (Elapsed: 00:00:00.06)\n\ngbase> select num,num\/123456 from tdecimal;\n+------------+----------------+\n| num | num\/123456 |\n+------------+----------------+\n| 1.00000000 | 0.000008100052 |\n| 2.34567890 | 0.000019000121 |\n+------------+----------------+\n2 rows in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/p>","protected":false},"excerpt":{"rendered":"
\u5357\u5927\u901a\u7528GBase 8a \u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u8fd0\u7b97\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6307\u5b9a\u5c0f\u6570\u70b9\u540e\u7684\u7cbe\u5ea6\u4f4d\u6570\uff0c\u800c\u9ed8\u8ba4\u7684\u6570\u5b57\u8fd0\u7b97\u4e3a4\u4f4d\u5c0f\u6570\uff0c\u66f4\u9ad8\u7684\u7cbe\u5ea6\u9700\u8981\u7528decimal\u7c7b\u578b\uff0c\u901a\u8fc7\u6307\u5b9a\u7684\u7cbe\u5ea6\u6765\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-10794","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/10794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=10794"}],"version-history":[{"count":2,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/10794\/revisions"}],"predecessor-version":[{"id":10796,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/10794\/revisions\/10796"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=10794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=10794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=10794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}