<\/span><\/h2>\n\n\n\n\u901a\u8fc7create table B as select * from A\u76f4\u63a5\u590d\u5236\u8868\uff0c\u4f46\u672c\u65b9\u6cd5\u53ea\u590d\u5236\u4e86\u6570\u636e\uff0c\u4e0d\u4f1a\u590d\u5236\u539f\u59cb\u8868\u7684\u4e00\u4e9b\u7d22\u5f15\uff0c\u5907\u6ce8\u4e4b\u7c7b\u7684\u5c5e\u6027\u3002<\/p>\n\n\n\n
\u5982\u4e0b\u4f8b\u5b50\u6211\u4eec\u521b\u5efa\u4e00\u4e2ahash\u7d22\u5f15\uff0c\u7136\u540e\u901a\u8fc7create table student_bak2 as select * from student\u6765\u590d\u5236\u8868\uff0c\u4ece\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff0c\u6570\u636e\u5b8c\u5168\u4e00\u6837\uff0c\u4f46\u5907\u4efd\u8868\u91cc\u6ca1\u6709\u539f\u59cb\u8868\u7684\u7d22\u5f15\u3002<\/p>\n\n\n\n
\u6240\u4ee5\u672c\u65b9\u6848\u53ea\u9002\u5408\u590d\u5236\u6570\u636e\uff0c\u4e0d\u9002\u5408\u590d\u5236\u8868\u7ed3\u6784\u3002<\/p>\n\n\n\n
gbase> create index idx_sno on student(sno) using hash global;\nQuery OK, 0 rows affected (Elapsed: 00:00:01.27)\nRecords: 0 Duplicates: 0 Warnings: 0\n\ngbase> show create table student;\n+---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n| Table | Create Table |\n+---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n| student | CREATE TABLE \"student\" (\n \"sno\" varchar(20) DEFAULT NULL,\n \"sname\" varchar(20) DEFAULT NULL,\n \"age\" int(11) DEFAULT NULL,\n \"sex\" int(11) DEFAULT NULL,\n KEY \"idx_sno\" (\"sno\") USING HASH GLOBAL\n) ENGINE=EXPRESS DEFAULT CHARSET=utf8 TABLESPACE='sys_tablespace' |\n+---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase> create table student_bak2 as select * from student;\nQuery OK, 5 rows affected (Elapsed: 00:00:00.19)\n\ngbase> select * from student_bak2;\n+----------+--------+------+------+\n| sno | sname | age | sex |\n+----------+--------+------+------+\n| 20210001 | \u5f20\u4e09 | 18 | 1 |\n| 20210002 | \u674e\u56db | 19 | 1 |\n| 20210003 | \u738b\u4e94 | 18 | 0 |\n| 20210004 | \u8d75\u516d | 18 | 0 |\n| 20210099 | \u5f20\u4e09 | 18 | 0 |\n+----------+--------+------+------+\n5 rows in set (Elapsed: 00:00:00.01)\n\ngbase> show create table student_bak2;\n+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n| Table | Create Table |\n+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n| student_bak2 | CREATE TABLE \"student_bak2\" (\n \"sno\" varchar(20) DEFAULT NULL,\n \"sname\" varchar(20) DEFAULT NULL,\n \"age\" int(11) DEFAULT NULL,\n \"sex\" int(11) DEFAULT NULL\n) ENGINE=EXPRESS DEFAULT CHARSET=utf8 TABLESPACE='sys_tablespace' |\n+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase>\n<\/code><\/pre>\n\n\n\n<\/span>\u901a\u8fc7\u5e95\u5c42\u6570\u636e\u6587\u4ef6\u590d\u5236\u4e00\u5f20\u8868<\/span><\/h2>\n\n\n\n\u9002\u5408\u8868\u6570\u636e\u91cf\u975e\u5e38\u5927\uff0c\u8d70insert select\u8017\u65f6\u957f\u7684\u60c5\u51b5\u3002\u5f53\u7136\u539f\u8868\u4e0d\u80fd\u6539\u53d8\uff0c\u5426\u5219\u590d\u5236\u7684\u6587\u4ef6\u53ef\u80fd\u4e0d\u51c6\u786e\u3002<\/p>\n\n\n\n
<\/span>\u521b\u5efa\u65b0\u8868<\/span><\/h3>\n\n\n\n\u5fc5\u987b\u662f\u540c\u4e00\u4e2a\u5e93\u4e0b\u9762\uff0c\u4e0d\u80fd\u8de8\u5e93\u3002<\/p>\n\n\n\n
create table t2_bak like t2;<\/code><\/pre>\n\n\n\n<\/span>\u590d\u5236\u5206\u7247\u6570\u636e<\/span><\/h3>\n\n\n\n\u6bcf\u4e2a\u8282\u70b9\uff0c\u6bcf\u4e2a\u5206\u7247\u90fd\u8981\u64cd\u4f5c\uff0c\u5982\u4e0b\u4ee51\u4e2a\u8282\u70b9\u7684_n3\u5206\u7247\u4e3a\u4f8b<\/p>\n\n\n\n
<\/span>\u8fdb\u5165userdata\u76ee\u5f55\uff0c\u5c06\u5143\u6570\u636e\u548c\u6570\u636e\u8986\u76d6\u8fc7\u6765<\/span><\/h4>\n\n\n\n\u5efa\u8bae\u7528md5sum\u9a8c\u8bc1\u4e00\u4e0b\u3002 cp\u64cd\u4f5c\u4e5f\u53ef\u4ee5\u7528rsync\u7b49\u5de5\u5177\uff0c\u66f4\u5feb\u4e00\u4e9b\u3002<\/p>\n\n\n\n
cd \/opt\/gbase\/gnode\/userdata\/gbase\/testdb\/metadata\/t2_bak_n3.GED\/\nrm * -fr\ncp ..\/t2_n3.GED\/* .\n\n\u9a8c\u8bc1\u4e00\u4e0b\u662f\u5426\u6587\u4ef6\u6b63\u786e\ncd ..\nmd5sum t2_bak_n3.GED\/*\nmd5sum t2_n3.GED\/* \n\ncd ..\/sys_tablespace\/t2_bak_n3\/\nrm * -fr\ncp ..\/t2_n3\/* .\n\n\u9a8c\u8bc1\u4e00\u4e0b\u662f\u5426\u6587\u4ef6\u6b63\u786e\ncd ..\nmd5sum t2_n3\/*\nmd5sum t2_bak_n3\/*<\/code><\/pre>\n\n\n\n<\/span>\u91cd\u542f\u5206\u7247gbased\u670d\u52a1<\/span><\/h4>\n\n\n\ngcluster_services gbase restart<\/code><\/pre>\n\n\n\n<\/span>\u9a8c\u8bc1\u5206\u7247\u6570\u636e<\/span><\/h4>\n\n\n\ngbase> select * from t2_bak_n3;\n+-------+\n| id |\n+-------+\n| 1 |\n| 1000 |\n| 10000 |\n+-------+\n3 rows in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n\u6240\u6709\u5206\u7247\u90fd\u5b8c\u6210\u540e\uff0c\u4ece\u96c6\u7fa4\u5c42\u5c31\u53ef\u4ee5\u67e5\u8be2\u5230\u590d\u5236\u7684\u5b8c\u6574\u6570\u636e\u4e86\u3002<\/p>","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u4ecb\u7ecdGBase 8a\u6570\u636e\u5e93\u65e5\u5e38\u64cd\u4f5c\uff0c\u5c06\u8868A\u590d\u5236\u4e00\u4efd\u8868B\uff0c\u4e5f\u5c31\u662f\u5907\u4efd\u4e00\u4efd\u3002\u5176\u4e2d\u65b9\u68481\u53ef\u4ee5\u590d\u5236\u5b8c\u6574\u8868\u7ed3\u6784\u548c\u6570\u636e\uff0c\u65b9\u68482\u53ea\u590d\u5236\u6570\u636e\u548c\u90e8\u5206\u8868\u7ed3\u6784\uff0c\u8bf7\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u9009\u62e9\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-7619","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7619","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=7619"}],"version-history":[{"count":4,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7619\/revisions"}],"predecessor-version":[{"id":9511,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7619\/revisions\/9511"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=7619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=7619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=7619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}