Here is how it works: 1. Get XML element string with FOR XML Adding FOR XML PATH to the end of a query allows you to output the results of the query as XML elements, with the element name contained in the PATH argument. For example, if we were to run the following statement: By … Read more
I found it! I forgot to hash the password when I changed it. I used this query to solve my problem: update user set password=PASSWORD(‘NEW PASSWORD’) where user=’root’; I forgot the PASSWORD(‘NEW PASSWORD’) and just put in the new password in plain text.
Some systems like Ubuntu, MySQL is using the UNIX auth_socket plugin by default. Basically it means that: db_users using it, will be “authenticated” by the system user credentials. You can see if your root user is set up like this by doing the following: As you can see in the query, the root user is using the auth_socket plugin. There are two ways to solve this: … Read more
Replace double quotes with single ones: In SQL, double quotes are used to mark identifiers, not string constants.
The Problem In MySQL, certain words like SELECT, INSERT, DELETE etc. are reserved words. Since they have a special meaning, MySQL treats it as a syntax error whenever you use them as a table name, column name, or other kind of identifier – unless you surround the identifier with backticks. As noted in the official docs, in section 10.2 Schema … Read more
You need to apply a format during the cast, either Teradata style: or Oracle style: Btw, I added DATE in front of the string, it’s the recommended (and always reliable) way to write a date literal.
A query’s projection can only have one instance of a given name. As your WHERE clause shows, you have several tables with a column called ID. Because you are selecting * your projection will have several columns called ID. Or it would have were it not for the compiler hurling ORA-00918. The solution is quite simple: you … Read more
I use SQL developer and i made a connection to my database with the system user, after I created a user and made a another connection with that user with all needed privileges. But when I try to proceed following I get the SQL Error ORA-00942 table or view does not exist.:
Single quotes are escaped by doubling them up, just as you’ve shown us in your example. The following SQL illustrates this functionality. I tested it on SQL Server 2008: Results
From SQL Server 2016 you can just use On previous versions you can use You could also consider truncating the table instead rather than dropping and recreating.