Yes, it a vice versa. It depends on which side of the relationship the entity is present on. For example, if one department can employ for several employees then, department to employee is a one to many relationship (1 department employs many employees), while employee to department relationship is many to one (many employees work … Read more
You could try some sort of COALESCE trick, eg: SELECT COALESCE( CASE WHEN condition1 THEN calculation1 ELSE NULL END, CASE WHEN condition2 THEN calculation2 ELSE NULL END, etc… )
What kind of field is this? The IN operator cannot be used with a single field, but is meant to be used in subqueries or with predefined lists: If you are searching a string, go for the LIKE operator (but this will be slow): If you restrict it so that the string you are searching … Read more
You need to set oracle to listen on all ip addresses (by default, it listens only to localhost connections.) Step 1 – Edit listener.ora This file is located in: Windows: %ORACLE_HOME%\network\admin\listener.ora. Linux: $ORACLE_HOME/network/admin/listener.ora Replace localhost with 0.0.0.0 Step 2 – Restart Oracle services Windows: WinKey + rservices.msc Linux (CentOs):sudo systemctl restart oracle-xe
This part: makes it possible to introduce a variable without the need of a seperate query. So the first query could also be broken down into two queries like this: for instance when used in a stored procedure.
You can try below query,
At line 5 there is a / missing. There is a good answer on the differences between ; and / here. Basically, when running a CREATE block via script, you need to use / to let SQLPlus know when the block ends, since a PL/SQL block can contain many instances of ;.
Try doing a FLUSH PRIVILEGES;. This MySQL bug post on that error code appears to report some success in a case similar to yours after flushing privs.
Solution : Rename your function name emailcomm() to __construct() Explanation: In previous versions of PHP, if PHP cannot find a __construct() function for a given class, it will search for the old-style constructor function, by the name of the class, but now old style constructors are DEPRECATED in PHP 7.0, and will be removed in a future version. You should always use __construct() in new code. Read php manual