想切换了集群想把hive迁移至新集群,两个集群之间又互不相通,一个最简单快捷的方法,就是批量导出元数据信息,同时把数据文件下载上传至新服务器的数据文件存放目录下1.导出元数据信息# database 即是数据库名称 hive -e "use <database>; show tables;" | xargs -I '{}' sh -c 'hive -e "use <datab...
I would like to make a query in my script that would not only insert the data (username, password, id) into one table, but also to insert it into another table with the same field names, but fewer fields. INSERT id, username, password, phone into TABLE 1 ...
mysql copy data from table to another insert into telnet_ip_range(ip_range, country, scan_status, scan_update_at) select ip_range, country, 0, NULL from ipv4.ipv4_pool;
If you want to copy a database from a remote machine over a slow network, you can use these commands: mysqladmin createdb_namemysqldump-h'other_hostname'--compressdb_name| mysqldb_name You can also store the dump in a file, transfer the file to the target machine, and then load the ...
If you want to copy a database from a remote machine over a slow network, you can use these commands: mysqladmin createdb_namemysqldump -h 'other_hostname' --compressdb_name| mysqldb_name You can also store the dump in a file, transfer the file to the target machine, and then load ...
MySQL Cluster enables users to meet the database challenges of next generation web, cloud, and communications services with uncompromising scalability, uptime and agility. Learn More » Free Webinars Transforming Government Operations with Open-Source Innovation: Unlock the Power of MySQL Enterprise Edi...
Copy the dump file from Server 1 to Server 2. On Server 2: $>mysql< dump.sql Use of--databaseswith themysqldumpcommand line causes the dump file to includeCREATE DATABASEandUSEstatements that create the database if it does exist and make it the default database for the reloaded data. ...
CREATETABLEoriginal_table(idINTPRIMARYKEY,dataVARCHAR(255));CREATETABLEsplit_table(idINTPRIMARYKEYAUTO_INCREMENT,valueVARCHAR(255)); 1. 2. 3. 4. 5. 6. 7. 8. 9. 步骤二:插入测试数据 接下来,我们向original_table中插入一些测试数据,其中data字段为逗号分隔的字符串。
For a data-loading operation based on information that might be malformed, load new rows into a temporary table, perform some preliminary checks, and correct the rows as necessary. When you’re satisfied that the new rows are okay, copy them from the temporary table to your main table. ...
Hello, I'm looking for a command line call that can copy a database table (db1, table1) to another database (db2, table1). I know there has to be an easy way to do this but I can't seem to be able to find the magic syntax. ...