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Solution with an Example. Error 1046 occurs when we miss to connect our table with a database. In this case, we don't have any database and that’s why at first we will create a new database and then will instruct to use that database for the created table. # At first you have to create Database.
2 Δεκ 2021 · The error no database selected frequently occurs in MySQL when you perform a statement without selecting a database first. In the following example, I tried to query a students table immediately after connecting to the mysql command line: mysql> SELECT * FROM students; ERROR 1046 (3D000): No database selected.
20 Φεβ 2024 · MySQL error 1046, which stands for “ No Database Selected,” is one of the most common errors that can prevent database operations. It happens when you run a query and don’t specify the target database. In this article, we will discuss "How to resolve, Error 1046: No database selected".
Exercise: Insert the missing statement to get all the columns from the Customers table. * FROM Customers; Submit Answer » Start the Exercise. MySQL Examples. Learn by examples! This tutorial supplements all explanations with clarifying examples. See All SQL Examples. MySQL Quiz Test. Test your MySQL skills at W3Schools! Start MySQL Quiz!
30 Ιουν 2022 · ERROR 1046 (3D000): No database selected. What this error means is that you tried to run a query but didn't specify on which database. Since MySQL servers can contain multiple databases. A first way of getting around this error is by prefixing the table name by the database name.
Just like the “ SHOW ERRORS ” command, we have another command: SELECT DATABASE() This command will help us find the default database or currently selected database. It will return NULL when there is no default or currently selected database (image below).
30 Ιουλ 2019 · The 1046 error occurs if you forget to select any database before creating a table. Let us see how and why this error occurs. We will try to create a table without selecting a database −. mysql> CREATE table MyTable1. -> ( -> id int. -> ); ERROR 1046 (3D000): No database selected. Or. mysql> INSERT into sample values(1);
