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C# 2021-11-08 16:08:17
C# datareadeer return null
// ****** Use MySqlDataReader instead of SqlReader if you are using MySQL ******* //You need to check for IsDBNull: //That's your only reliable way to detect and handle this situation. //I wrapped those things into extension methods and tend to return a ... Add solution -
SQL 2021-11-08 14:07:19
mongodb vs sql
''' MySQL is a relational database management system (RDBMS) from the Oracle Corporation. Like other relational systems, MySQL stores data in tables and uses structured query language (SQL) for database access. When MySQL developers need to access data... Add solution -
Other 2021-10-27 08:56:04
Access denied for user @'localhost' (using password: YES)
sudo /etc/init.d/mysql stop Now start up MySQL in safe mode, so you’ll skip the privileges table: sudo mysqld_safe --skip-grant-tables & // if you face issue,[mysqld_safe Directory '/var/run/mysqld' for UNIX socket file don't exists] run b... Add solution -
Other 2021-10-21 00:05:06
java.sql.sqlexception: no suitable driver found
This error occurs if JDBC is not able to find a suitable driver for the URL format passed to the getConnection() method e.g."jdbc:mysql://" in our case. In order to solve this error, you need the MySQL JDBC driver like "mysql-connector-jav... Add solution -
SQL 2021-10-13 15:08:09
how to change the port on xampp mysql
Step 1: First, reach in the folder where you have installed your Xampp Software. Step 2: After that, go to the destination file – mysql/bin/my.ini (The ‘my‘ file with extension of Configuration Settings) Step 3: In that file, you&rsquo... Add solution -
SQL 2021-09-30 23:18:04
mysql error 1146
#To fix the replication error follow the steps below. #1. First, we log into the MYSQL. mysql -u root -p #2. On the MySQL shell, we check the slave status. mysql> SHOW SLAVE STATUS #The sample result as follows. mysql> SHOW SLAVE STATUS *****... Add solution