{"id":1269,"date":"2020-09-14T15:35:46","date_gmt":"2020-09-14T07:35:46","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=1269"},"modified":"2023-06-09T10:25:38","modified_gmt":"2023-06-09T02:25:38","slug":"gbase-8a-%e5%85%83%e6%95%b0%e6%8d%ae%e8%a1%a8%e4%bb%8b%e7%bb%8d-information_schema","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/1269","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a \u5143\u6570\u636e\u8868\u4ecb\u7ecd Information_schema"},"content":{"rendered":"

GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\u63d0\u4f9b\u4e86\u591a\u4e2a\u5143\u6570\u636e\u5e93\u548c\u8868\uff0c\u6765\u8bb0\u5f55\u548c\u63cf\u8ff0\u6570\u636e\u5e93\u7684\u5185\u90e8\u7ed3\u6784\u3002\u7cfb\u7edf\u8868\u5b58\u5728\u4e8e\u56db\u4e2adatabase\u4e2d\uff0c\u5206\u522b\u662finformation_schema\uff0cgbase\uff0cgclusterdb\u53caperformance_schema\u3002<\/p>\n\n\n\n

\u5176\u4e2d\uff0cinformation_schema\u4e2d\u7684\u4fe1\u606f\u4e3a\u5143\u6570\u636e\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u662f\u901a\u8fc7\u7ec4\u7ec7\u76f8\u5173\u5bf9\u8c61\u83b7\u5f97\u7684\uff0c\u4e0d\u662f\u9884\u5148\u5b58\u50a8\u7684\u4fe1\u606f\uff1bgbase\u5e93\u5b58\u653e\u7684\u662f\u4e00\u4e9b\u6301\u4e45\u5316\u5b58\u50a8\u7684\u4fe1\u606f\uff0c\u4fe1\u606f\u5b58\u50a8\u5728GsSYS\u5f15\u64ce\u7684\u8868\u4e2d\uff1bgclusterdb\u5b58\u50a8\u7684\u662f\u9700\u8981\u5728\u96c6\u7fa4\u8303\u56f4\u4fdd\u5b58\u7684\u4fe1\u606f\uff0c\u4f7f\u7528\u7684\u662fexpress\u5f15\u64ce\uff1bperformance_schema\u5b58\u50a8\u7684\u662f\u8fd0\u884c\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n\n\n\n

Information_schema<\/strong><\/h3>\n\n\n\n

\u5143\u6570\u636e\u8868\u6c47\u603b\u63cf\u8ff0\u5982\u4e0b<\/p>\n\n\n\n

CHARACTER_SETS<\/td>\u5b57\u7b26\u96c6\u8868\uff0c\u63d0\u4f9b\u4e86\u5b9e\u4f8b\u4e2d\u53ef\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u4fe1\u606f\uff0cshow character set\u7ed3\u679c\u53d6\u81ea\u6b64\u8868<\/td><\/tr>
COLLATIONS<\/td>\u63d0\u4f9b\u4e86\u5173\u4e8e\u5404\u5b57\u7b26\u96c6\u7684\u5bf9\u7167\u4fe1\u606f<\/td><\/tr>
COLLATION_CHARACTER_SET_APPLICABILITY<\/td>\u6307\u660e\u4e86\u53ef\u7528\u4e8e\u6821\u5bf9\u7684\u5b57\u7b26\u96c6\uff0c\u7b49\u6548\u4e8eshow collation\u7684\u524d\u4e24\u4e2a\u5b57\u6bb5<\/td><\/tr>
COLUMNS<\/td>\u63d0\u4f9b\u4e86\u8868\u4e2d\u7684\u5217\u4fe1\u606f\uff0cshow columns from schemaname.tablename\u7684\u7ed3\u679c\u53d6\u4e8e\u6b64<\/td><\/tr>
COLUMN_PRIVILEGES<\/td>\u5217\u6743\u9650\u8868\uff0c\u7ed9\u51fa\u5173\u4e8e\u5217\u6743\u9650\u7684\u4fe1\u606f\u3002<\/td><\/tr>
ENGINES<\/td>\u8bb0\u5f55\u5f15\u64ce\u7684\u4fe1\u606f<\/td><\/tr>
EVENTS<\/td>\u65f6\u95f4\u89e6\u53d1\u5668\uff0c\u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u89e6\u53d1\u76f8\u5173sql\u8bed\u53e5\u6216\u5b58\u50a8\u8fc7\u7a0b\uff0c\u533a\u522b\u4e8e\u4e8b\u4ef6\u89e6\u53d1\u5668\uff08trigger\uff09<\/td><\/tr>
FILES<\/td>\u7528\u6765\u5b58\u50a8\u8868\u7a7a\u95f4\uff08tablespace\uff09\u6570\u636e\u7684\u6587\u4ef6\u76f8\u5173\u4fe1\u606f<\/td><\/tr>
FUNCTIONS<\/td> <\/td><\/tr>
GLOBAL_STATUS<\/td>\u7cfb\u7edf\u5168\u5c40\u7684\u72b6\u6001\u4fe1\u606f<\/td><\/tr>
PARTITIONS<\/td> <\/td><\/tr>
PROCESSLIST<\/td>\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u4fe1\u606f\uff0cshow processlist\u547d\u4ee4\u53d6\u4e8e\u6b64<\/td><\/tr>
PROFILING<\/td>sql\u8bed\u53e5\u6267\u884c\u7684\u8d44\u6e90\u6d88\u8017\u4fe1\u606f\uff0c\u6253\u5f00profiling\u53c2\u6570\uff1aset profiling=1<\/td><\/tr>
REFERENTIAL_CONSTRAINTS<\/td> <\/td><\/tr>
ROUTINES<\/td>\u63d0\u4f9b\u4e86\u5173\u4e8e\u5b58\u50a8\u5b50\u7a0b\u5e8f\uff08\u5b58\u50a8\u7a0b\u5e8f\u548c\u51fd\u6570\uff09\u7684\u4fe1\u606f\u3002routines\u8868\u4e0d\u5305\u542b\u81ea\u5b9a\u4e49\u51fd\u6570\uff08UDF\uff09
\u6b64\u8868\u4e0d\u5305\u542b\u53c2\u6570\u4fe1\u606f\uff0c\u6240\u4ee5\u5efa\u8bae\u7528gbase.proc\u67e5\u770b\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u7b49\u3002<\/td><\/tr>
COORDINATORS_RESOURCE_POOL_USAGE<\/td>\u8bb0\u5f55\u6240\u6709coordinator\u8282\u70b9\u7684\u8d44\u6e90\u6c60\u5b9e\u65f6\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ec\u7b49\u5f85\u4efb\u52a1\u6570\u91cf\uff0c\u8fd0\u884c\u4efb\u52a1\u6570\u91cf\u7b49<\/td><\/tr>
GNODES_RESOURCE_POOL_USAGE<\/td>\u8bb0\u5f55\u6570\u636e\u8282\u70b9\u7684\u8d44\u6e90\u6c60\u5b9e\u65f6\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ecCPU\uff0c\u5185\u5b58\uff0c\u78c1\u76d8\u7684\u4f7f\u7528\u4fe1\u606f<\/td><\/tr>
GNODES_USER_DISKSPACE_USAGE<\/td>\u8bb0\u5f55\u7528\u6237\u78c1\u76d8\u914d\u989d\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ec\u7528\u6237\u9650\u5b9a\u78c1\u76d8\u7a7a\u95f4\uff0c\u7528\u6237\u5b9e\u9645\u4f7f\u7528\u78c1\u76d8\u7a7a\u95f4\u7b49
GBase 8a\u5b9e\u73b0\u7528\u6237\u78c1\u76d8\u7a7a\u95f4\u914d\u989d\u9650\u5236<\/a><\/td><\/tr>
COORDINATORS_RESOURCE_POOL_STATUS<\/td>\u8bb0\u5f55\u96c6\u7fa4\u5c42\u7684\u8d44\u6e90\u6c60\u5386\u53f2\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ec\u5df2\u670d\u52a1\u4efb\u52a1\u6570\u91cf\uff0c\u4efb\u52a1\u5e73\u5747\u8fd0\u884c\u65f6\u95f4\uff0c\u4efb\u52a1\u5e73\u5747\u7b49\u5f85\u65f6\u95f4\u7b49<\/td><\/tr>
GNODES_RESOURCE_POOL_STATUS<\/td>\u8bb0\u5f55\u6570\u636e\u8282\u70b9\u7684\u8d44\u6e90\u6c60\u5386\u53f2\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ecCPU\uff0c\u5185\u5b58\uff0c\u78c1\u76d8\u7684\u4f7f\u7528\u4fe1\u606f<\/td><\/tr>
RESOURCE_POOL_EVENTS<\/td>\u8bb0\u5f55\u96c6\u7fa4\u5c42\u8d44\u6e90\u6c60event\u4fe1\u606f<\/td><\/tr>
COORDINATOR_RESOURCE_POOL_USAGE<\/td>\u8bb0\u5f55\u5f53\u524dcoordinator\u8282\u70b9\u7684\u8d44\u6e90\u6c60\u5b9e\u65f6\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ec\u7b49\u5f85\u4efb\u52a1\u6570\u91cf\uff0c\u8fd0\u884c\u4efb\u52a1\u6570\u91cf\u7b49<\/td><\/tr>
SCHEMATA<\/td>\u63d0\u4f9b\u5f53\u524d\u5b9e\u4f8b\u4e2d\u6240\u6709\u6570\u636e\u5e93\u7684\u4fe1\u606f\uff0cshow databases\u7684\u7ed3\u679c\u83b7\u53d6\u6b64\u8868<\/td><\/tr>
SCHEMA_PRIVILEGES<\/td>\u6570\u636e\u5e93\u6743\u9650\u8868\uff0c\u7ed9\u51fa\u4e86\u6709\u5173\u6570\u636e\u5e93\u6743\u9650\u7684\u4fe1\u606f\u3002<\/td><\/tr>
SESSION_STATUS<\/td>\u5f53\u524dsession\u7684\u72b6\u6001\u4fe1\u606f<\/td><\/tr>
SESSION_VARIABLES<\/td>\u5f53\u524dsession\u7684\u53d8\u91cf\u540d\u53ca\u53d8\u91cf\u503c<\/td><\/tr>
STATISTICS<\/td>\u63d0\u4f9b\u4e86\u5173\u4e8e\u8868\u7d22\u5f15\u7684\u4fe1\u606f\uff0cshow index from schemaname.tablename\u7684\u7ed3\u679c\u53d6\u4e8e\u6b64
GBase8a \u96c6\u7fa4\u67e5\u770b\u8868\u7d22\u5f15<\/a><\/td><\/tr>
TABLES<\/td>\u63d0\u4f9b\u5173\u4e8e\u6570\u636e\u5e93\u4e2d\u8868\u7684\u4fe1\u606f\uff08\u542b\u89c6\u56fe\uff09\uff0c\u8be6\u7ec6\u63cf\u8ff0\u4e86\u67d0\u5f20\u8868\u5c5e\u4e8e\u54ea\u4e2a\u5e93\uff0c\u8868\u7c7b\u578b\uff0c\u8868\u5f15\u64ce\uff0c\u521b\u5efa\u65f6\u95f4\u7b49\uff0cshow tables from schemaname\u7684\u7ed3\u679c\u53d6\u4e8e\u6b64<\/td><\/tr>
TABLE_CONSTRAINTS<\/td>\u63cf\u8ff0\u4e86\u5b58\u5728\u7ea6\u675f\u7684\u8868\uff0c\u4ee5\u53ca\u8868\u7684\u7ea6\u675f\u7c7b\u578b<\/td><\/tr>
TABLE_PRIVILEGES<\/td>\u8868\u6743\u9650\u8868<\/td><\/tr>
TRIGGERS<\/td>\u63d0\u4f9b\u4e86\u5173\u4e8e\u89e6\u53d1\u7a0b\u5e8f\u7684\u4fe1\u606f\uff0c\u5fc5\u987b\u6709super\u6743\u9650\u624d\u80fd\u67e5\u770b\u8be5\u8868\u3002
GBase 8a\u76ee\u524d\u7248\u672c\u4e0d\u652f\u6301\u89e6\u53d1\u5668\u3002<\/td><\/tr>
USER_PRIVILEGES<\/td>\u7528\u6237\u6743\u9650\u8868\uff0c\u7ed9\u51fa\u4e86\u5173\u4e8e\u5168\u7a0b\u6743\u9650\u7684\u4fe1\u606f<\/td><\/tr>
LOAD_STATUS<\/td>\u7528\u4e8e\u67e5\u8be2\u52a0\u8f7d\u8fdb\u5ea6\u7684\u7cfb\u7edf\u8868
GBase 8a\u96c6\u7fa4\u67e5\u770b\u52a0\u8f7d\u8fdb\u5ea6\u7684\u65b9\u6cd5<\/a><\/td><\/tr>
LOAD_TRACE<\/td>\u8bb0\u5f55\u5f53\u524dcooridnator\u8282\u70b9\u7684\u52a0\u8f7d\u9519\u8bef\u65e5\u5fd7\u4fe1\u606f  <\/td><\/tr>
CLUSTER_LOAD_TRACE<\/td>\u8bb0\u5f55\u6240\u6709coordinator\u8282\u70b9\u7684\u52a0\u8f7d\u9519\u8bef\u65e5\u5fd7\u4fe1\u606f  <\/td><\/tr>
LOAD_RESULT<\/td>\u8bb0\u5f55\u5f53\u524dcoordinator\u8282\u70b9\u7684\u52a0\u8f7d\u7ed3\u679c\u4fe1\u606f  
GBase 8a\u96c6\u7fa4\u901a\u8fc7SQL\u67e5\u8be2\u52a0\u8f7d\u5386\u53f2\u8bb0\u5f55\u65e5\u5fd7<\/a><\/td><\/tr>
CLUSTER_LOAD_RESULT<\/td>\u8bb0\u5f55\u6240\u6709cooridnator\u8282\u70b9\u7684\u52a0\u8f7d\u7ed3\u679c\u4fe1\u606f  
GBase 8a\u96c6\u7fa4\u901a\u8fc7SQL\u67e5\u8be2\u52a0\u8f7d\u5386\u53f2\u8bb0\u5f55\u65e5\u5fd7<\/a><\/td><\/tr>
VIEWS<\/td>\u63d0\u4f9b\u5173\u4e8e\u6570\u636e\u5e93\u4e2d\u7684\u89c6\u56fe\u7684\u4fe1\u606f\uff0c\u9700\u8981\u6709show views\u6743\u9650\uff0c\u5426\u5219\u65e0\u6cd5\u67e5\u770b\u89c6\u56fe\u4fe1\u606f<\/td><\/tr>
VC<\/td> <\/td><\/tr>
CACHES<\/td> <\/td><\/tr>
PRIORITIES<\/td>\u4f18\u5148\u7ea7\u72b6\u6001\u663e\u793a\uff08\u4e0ecgroup\u3001\u4f18\u5148\u7ea7\u961f\u5217\u6709\u5173\uff09<\/td><\/tr>
TABLE_LOCKS<\/td>\u7528\u4e8e\u663e\u793a\u5f53\u524d\u8868\u9501\u7684\u4f7f\u7528\u60c5\u51b5<\/td><\/tr>
MEMORY_HEAP_INFO<\/td>\u5185\u5b58\u4e2d\u5404\u4e2a\u5806\u7684\u4fe1\u606f<\/td><\/tr>
CACHE_ACCESS_INFO<\/td>select\/insert\/update\u64cd\u4f5c\u5bf9\u5185\u5b58\u7684\u8bbf\u95ee\u60c5\u51b5\uff0cdelete\/show\u64cd\u4f5c\u8868\u4e2d\u503c\u4e0d\u6539\u53d8\uff0cgbased\u91cd\u542f\u8868\u4e2d\u503c\u5f52\u96f6<\/td><\/tr>
CLUSTER_TABLES<\/td>\u63d0\u4f9b\u6240\u6709\u5206\u7247\u5360\u7528\u7684\u78c1\u76d8\u7a7a\u95f4\u4fe1\u606f  <\/td><\/tr>
CLUSTER_TABLE_SEGMENTS<\/td>\u63d0\u4f9b\u6bcf\u4e2a\u5206\u7247\u7684\u6570\u636e\u5360\u7528\u78c1\u76d8\u7a7a\u95f4\u4fe1\u606f  <\/td><\/tr>
KAFKA_CONSUMER_STATUS<\/td>\u5b58\u50a8\u7684\u4fe1\u606f\u4e3a\u4e8b\u52a1\u578bconsumer task\u7684\u8fd0\u884c\u72b6\u6001<\/td><\/tr>
KAFKA_CONSUMER_EFFICIENCY<\/td>\u5b58\u50a8\u7684\u4fe1\u606f\u4e3a\u4e8b\u52a1\u578bconsumer task\u7684\u8fd0\u884c\u6548\u7387\uff0c\u5305\u542b\u4e86\u5404\u4e2a\u73af\u8282\u7684\u8017\u65f6\u7edf\u8ba1<\/td><\/tr>
KAFKA_LOADER_CONSUMER_STATUS<\/td>\u5b58\u50a8\u7684\u4fe1\u606f\u4e3a\u52a0\u8f7d\u578bconsumer task\u7684\u8fd0\u884c\u72b6\u6001<\/td><\/tr>
SYS_SCN<\/td>system change number<\/td><\/tr>
DML_INFO<\/td>DML\u64cd\u4f5c\u7684\u4fe1\u606f<\/td><\/tr>
ALL_ENCRYPTION_CERTIFICATE_STATUS<\/td>\u6240\u6709\u8282\u70b9\u5f53\u524d\u52a0\u5bc6\u72b6\u6001\u4fe1\u606f<\/td><\/tr>
COORDINATOR_ENCRYPTION_CERTIFICATE_STATUS<\/td>\u96c6\u7fa4\u5c42\u5f53\u524d\u52a0\u5bc6\u72b6\u6001\u4fe1\u606f<\/td><\/tr>
GNODE_ENCRYPTION_CERTIFICATE_STATUS<\/td>\u6240\u6709node\u70b9\u5f53\u524d\u52a0\u5bc6\u72b6\u6001\u4fe1\u606f<\/td><\/tr>
ENCRYPTION_CERTIFICATE_STATUS<\/td>\u63d0\u4f9b\u672c\u8282\u70b9\u5f53\u524d\u52a0\u5bc6\u72b6\u6001\u4fe1\u606f<\/td><\/tr>
TABLESPACES<\/td> <\/td><\/tr>
TABLESPACE_NAMES<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\u63d0\u4f9b\u4e86\u591a\u4e2a\u5143\u6570\u636e\u5e93\u548c\u8868\uff0c\u6765\u8bb0\u5f55\u548c\u63cf\u8ff0\u6570\u636e\u5e93\u7684\u5185\u90e8\u7ed3\u6784\u3002\u7cfb\u7edf\u8868\u5b58\u5728\u4e8e\u56db\u4e2adatabase\u4e2d\uff0c\u5206\u522b\u662finformation_schema\uff0cgbase\uff0cgclusterdb\u53caperformance_schema\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[69],"class_list":["post-1269","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-69"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1269","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=1269"}],"version-history":[{"count":9,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1269\/revisions"}],"predecessor-version":[{"id":12030,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1269\/revisions\/12030"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=1269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=1269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=1269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}