索引扫描与整个数据库的所有扫描的比率可以计算 cdm=# select sum(idx_scan)/(sum(idx_scan)+sum(seq_scan)) as idx_scan_ratio from pg_stat_all_tables where schemaname='profile_service'; idx_scan_ratio --- 0.99334416858822793686 (1 row) cdm=# select relname, idx_scan::float/(idx_scan+seq_...
由于在较旧和较新版本上构建可能会失败,因此您需要安装一些 DBeaver 依赖的附加 Eclipse 插件。 (2)点击后出现弹窗,复制 http://dbeaver.io/eclipse-repo/ 到“使用”字段,然后按 Enter,并点击下一步进行安装。 (3)重复上述安装步骤,同样对http://eclipse-color-theme.github.io/update进行安装。安装结束后提...
JOIN information_schema.key_column_usage USING (constr本人nt_name, constr本人nt_schema) WHERE table_name = 'table_name'; ``` 上述语句可以查询指定表的所有约束信息,包括主键、外键和唯一约束等。 四、使用DBeaver进行表结构查询操作步骤 上述SQL语句可以在DBeaver中直接执行,也可以在SQL编辑器中编写和保存...
2回答 Information_Schema的红移选项 、、、 刚刚从SSMS迁移到Redshift (使用DBeaver),我想知道是否有一个好的选项来获取表描述。在SQL server中,您可以针对information_schema编写一个很好的查询来提取列名、数据类型等。 浏览0提问于2013-07-13得票数 1 回答已采纳 1回答 相当于DBeaver中的Dateadd和DateDiff 、 ...
Information_Schema的红移选项 、、、 刚刚从SSMS迁移到Redshift (使用DBeaver),我想知道是否有一个好的选项来获取表描述。在SQL server中,您可以针对information_schema编写一个很好的查询来提取列名、数据类型等。 浏览0提问于2013-07-13得票数 1 回答已采纳 5回答 在javascript中将日期字符串转换为dd/mm/yy 、...
SELECT r.trx_id waiting_trx_id, r.trx_mysql_thread_id waiting_thread, r.trx_query waiting_query, b.trx_id blocking_trx_id, b.trx_mysql_thread_id blocking_thread, b.trx_query blocking_query FROM information_schema.innodb_lock_waits w INNER JOIN information_schema.innodb_trx b ON b.trx...
Database name and version: mariaDB 10.1.x Driver name: org.mariadb.jdbc:mariadb-java-client: 2.4.3 Do you use tunnels or proxies (SSH, SOCKS, etc)? : No Describe the problem you're observing: Error caching database model. Unknown table 'check_constraints' in information_schema ...
DBeavedoes not keep information on what database schema is default when I click on another database schema in theDatabase Navigator. oStartDBeaverand chooseConnectto a database server. oRight click on a database and chooseSet active(Ctrl+Shift+A)in the contex menu. ...
DBeaver User Guide with detailed manuals, tips, and overviews of features and supported databases. Use the table of content to find information shortl
leverages DBeaver's data import/export capabilities, schema compare for migrations and data editor. This has drastically reduced their database maintenance efforts from 56 man-hours to just 1 hour per month. Read more Partha Sen Information Architect and Manager of Data Integration and BI at Ave...