{"id":50328,"date":"2023-11-10T10:40:04","date_gmt":"2023-09-22T21:37:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%8e%b7%e5%8f%96%e6%95%b0%e6%8d%ae%e5%ba%93%e6%a8%a1%e5%bc%8f%e5%88%97%e8%a1%a8%e7%9a%84sql%ef%bc%88oracle-mysql-postgresql-sqlserver-cassandra%ef%bc%89%e3%80%82\/"},"modified":"2024-01-15T13:12:44","modified_gmt":"2024-01-15T05:12:44","slug":"%e8%8e%b7%e5%8f%96%e6%95%b0%e6%8d%ae%e5%ba%93%e6%a8%a1%e5%bc%8f%e5%88%97%e8%a1%a8%e7%9a%84sql%ef%bc%88oracle-mysql-postgresql-sqlserver-cassandra%ef%bc%89%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%8e%b7%e5%8f%96%e6%95%b0%e6%8d%ae%e5%ba%93%e6%a8%a1%e5%bc%8f%e5%88%97%e8%a1%a8%e7%9a%84sql%ef%bc%88oracle-mysql-postgresql-sqlserver-cassandra%ef%bc%89%e3%80%82\/","title":{"rendered":"\u83b7\u53d6\u6570\u636e\u5e93\u6a21\u5f0f\u5217\u8868\u7684SQL\uff08Oracle\/MySQL\/PostgreSQL\/SQLServer\/Cassandra\uff09"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u7531\u4e8e\u6211\u5fd8\u8bb0\u4e86\u521b\u5efaMiluDBViewer\uff08\u4f7f\u7528JavaFX\u8fdb\u884cGUI DB\u5ba2\u6237\u7aef\uff09\u65f6\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u5c06\u5176\u8bb0\u4e0b\u6765\u3002<\/p>\n

\u8fd9\u6b21\u662f\u5173\u4e8e\u83b7\u53d6\u6570\u636e\u5e93\u6a21\u5f0f\u5217\u8868\u7684SQL\u3002<\/p>\n

Oracle – 12c\u53d1\u5e032<\/h1>\n
select distinct owner from all_objects order by owner\r\n<\/code><\/pre>\n
MySQL – 8.0.11<\/h1>\n
MySQL – \u516b\u70b9\u96f6\u70b9\u4e00\u4e00<\/p>\n
select schema_name from information_schema.schemata order by schema_name\r\n<\/code><\/pre>\n
PostgreSQL – 10.4
\nPostgreSQL – 10.4<\/h1>\n
select schema_name from information_schema.schemata order by schema_name\r\n<\/code><\/pre>\n
SQLServer – 2017<\/h1>\n
SQLServer – 2017\u5e74<\/p>\n
select name from sys.schemas order by name\r\n<\/code><\/pre>\n
\u5361\u73ca\u5fb7\u62c9 – 3.9.0<\/h1>\n
select keyspace_name, durable_writes from system_schema.keyspaces\r\n<\/code><\/pre>\n
\u9664\u4e0a\u8ff0\u4e4b\u5916\u7684\u6570\u636e\u5e93<\/h1>\n
\u6211\u540e\u6765\u5f97\u77e5\uff0c\u5982\u679cJDBC\u6709\u5b9e\u73b0\uff0c\u53ef\u4ee5\u901a\u8fc7java.sql.DatabaseMetaData\u7684getSchemas()\u65b9\u6cd5\u83b7\u53d6java.sql.ResultSet\uff0c\u7136\u540e\u53ef\u4ee5\u7528resultset.getString(“TABLE_SCHEM”)\u6765\u83b7\u5f97\u3002<\/p>\n
\u83b7\u53d6\u6570\u636e\u5e93\u5143\u6570\u636e\u4e2d\u7684\u8868\u4fe1\u606f<\/p>\n
\u53c2\u8003\u7f51\u5740\uff1a
\nhttp:\/\/www.java2s.com\/Tutorial\/Java\/0340__Database\/GettableinformationfromDatabaseMetaData.htm<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u7531\u4e8e\u6211\u5fd8\u8bb0\u4e86\u521b\u5efaMiluDBViewer\uff08\u4f7f\u7528JavaFX\u8fdb\u884cGUI DB\u5ba2\u6237\u7aef\uff09\u65f6\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u5c06\u5176\u8bb0\u4e0b […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50328","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u83b7\u53d6\u6570\u636e\u5e93\u6a21\u5f0f\u5217\u8868\u7684SQL\uff08Oracle\/MySQL\/PostgreSQL\/SQLServer\/Cassandra\uff09 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u83b7\u53d6\u6570\u636e\u5e93\u6a21\u5f0f\u5217\u8868\u7684sql\uff08oracle-mysql-postgresql-sqlserver-cassandra\uff09\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u83b7\u53d6\u6570\u636e\u5e93\u6a21\u5f0f\u5217\u8868\u7684SQL\uff08Oracle\/MySQL\/PostgreSQL\/SQLServer\/Cassandra\uff09\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u7531\u4e8e\u6211\u5fd8\u8bb0\u4e86\u521b\u5efaMiluDBViewer\uff08\u4f7f\u7528JavaFX\u8fdb\u884cGUI DB\u5ba2\u6237\u7aef\uff09\u65f6\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u5c06\u5176\u8bb0\u4e0b […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u83b7\u53d6\u6570\u636e\u5e93\u6a21\u5f0f\u5217\u8868\u7684sql\uff08oracle-mysql-postgresql-sqlserver-cassandra\uff09\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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