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SQL 2022-03-24 19:45:27
How to use node-mysql without loads all the rows into the memory? Ask Question
const mysql = require('mysql'); const stream = require('stream'); connection.query('SELECT * FROM `bigdata`') .on('error', function(err) { // Do something about error in the query }) .stream() // Stream allows you to get records one-by-one .p... Add solution -
SQL 2022-03-21 08:55:17
LoadError: cannot load such file -- mysql2/2.7/mysql2
rm Gemfile.lock gem uninstall mysql2 gem install mysql2 -v '0.5.2' -- --with-mysql-config=/usr/local/Cellar/[email protected]/5.7.25/bin/mysql_config --with-ldflags=-L/usr/local/opt/openssl/lib --with-cppflags=-I/usr/local/opt/openssl/include --platform=ruby bund... Add solution -
SQL 2022-03-19 14:10:22
how to install mysql in ubuntu 20.04
## To install mysql in Ubuntu ## sudo apt install mysql-server ## For configuration sudo mysql_secure_installation # For password type YES or y ... enter you password # For removing user NO or n # For disallow login NO or n # For remove database NO or... Add solution -
SQL 2022-03-17 15:40:29
mysql limit rows
-- MySql SELECT * FROM emp ORDER BY sal DESC LIMIT 5; -- SQL Server SELECT TOP 5 * FROM emp ORDER BY sal DESC; -- Oracle < 11g SELECT * FROM ( SELECT * FROM emp ORDER BY sal DESC ) WHERE ROWNUM <= 5; -- Oracle 12c + SELECT * FROM emp ORDER BY sa... Add solution
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