Before we start learning the MYSQL DROP ALL Table, let’s have a small into of MYSQL DROP What is MySQL Drop Command MySQL DROP statement is a DDL (Data Definition Language) statement. The MySQL DROP statement is used to delete existing database objects, such as tables, indexes, or comple...
/usr/local/sysbench/bin/sysbench /usr/local/sysbench/share/sysbench/oltp_read_write.lua --mysql-socket=/tmp/mysql3306.sock --mysql-user=root --mysql-password=’ mysql’ --mysql-db=sbtest --db-driver=mysql --tables=10 --table-size=1000 --report-interval=10 --threads=10 --time=120 p...
LOAD DATA LOCAL INFILE'/mysqldata/tools/undrop-for-innodb/dumps/default/SYS_TABLES'REPLACE INTO TABLE `SYS_TABLES` CHARACTER SET UTF8 FIELDS TERMINATED BY'\t'OPTIONALLY ENCLOSED BY'"'LINES STARTING BY'SYS_TABLES\t'(`NAME`, `ID`, `N_COLS`, `TYPE`, `MIX_ID`, `MIX_LEN`, `CLUSTER_NA...
Table 21.31 Command-line options used with the program ndb_drop_table FormatDescriptionAdded, Deprecated, or Removed --character-sets-dir=path Directory containing character sets (Supported in all NDB releases based on MySQL 5.7) --connect-retries=# ...
table smgp_apps_wcnc >d:wcnc_db.sql -d 没有数据 –add-drop-table 在每个create语句之前增加一个drop table 4.导入数据库 A:常用source 命令 进入mysql数据库控制台, 如mysql -u root -p mysql>use 数据库 然后使用source命令,后面参数为脚本文件(如这里用到的.sql) mysql>source wcnc_db.sql B:...
.) This operation is extremely fast; in some cases, it can be an order of magnitude faster than using a MySQL DROP TABLE statement on an NDB table. Usagendb_drop_table -c connection_string tbl_name -d db_name Options that can be used with ndb_drop_table are shown in the following...
Delete/Drop a Table in MySQL, Delete/Drop a Table in MySQL · mysql -V You can now move forward knowing that you have the latest version installed. · sudo systemctl status Tags: Learning MySQL - DROP TABLE Command This tutorial talks about how to you can get rid of a table or a wh...
mysql -u uname dbname -e "show tables" | grep "tbl_MetaData_" | gawk '{print "drop table " $1 ";"}' | mysql -u uname dbname Reference:http://knaddison.com/technology/mysql-drop-all-tables-database-using-single-command-line-command ...
mysql>drop table db1.t1 2.6 删除一个db1库 代码语言:javascript 复制 drop database db1; 以后尽量不要使用drop和truncate,十分危险! 三、MySQL数据库备份恢复 如果不小心删除了一个数据库,那就是比较悲剧的事情了,如何在删除之前先备份呢? 3.1 备份mysql库到tmp目录下: ...
为了进一步验证,我们在测试环境下模拟测试了drop table对高并发MySQL性能的影响。 1、 使用sysbench工具做压测,首先在测试环境下创建了8张2亿条记录的表,单表容量48G 2、 开启innodb_adaptive_hash_index,用olap模板压测1个小时,填充目标8张表所对应的AHI内存 ...