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This error code happens when a database is not selected.

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  • error code 1046 mysql
  • error 1046 (3d000): no database selected

Contents:

1. Check to see if a database is actually selected

The steps to check to see if a database is selected are as follows:

  1. Open the SQL Server Management Studio.
  2. In the Object Explorer, expand the server name and select Databases.
  3. If the database is not selected, right-click the database and select Select Database.
  4. If the database is selected, the error message is displayed and the database cannot be fixed.
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2. If not, select a database using the USE statement

Use the USE statement to select a database.

3. Make sure that the database exists by listing all databases using the SHOW DATABASES statement

  1. Open the command prompt and type the following command:
    SHOW DATABASES

  2. If the database does not exist, the command will return an error message. In this case, you will need to create the database using the CREATE DATABASE statement.

  3. To verify that the database is actually exist, you can use the SELECT statement to list the available tables. In this case, you would use the following command:
    SELECT * FROM table_name

  4. If the table does not exist, the command will return an error message. In this case, you will need to create the table using the CREATE TABLE statement.

  5. To verify that the table is actually exist, you can use the SELECT statement to list the available columns. In this case, you would use the following command:
    SELECT column_name FROM table_name

4. If the database does not exist, create it using the CREATE DATABASE statement

The CREATE DATABASE statement can be used to create a new database. The syntax for the CREATE DATABASE statement is as follows:
CREATE DATABASE [name]
where [name] is the name of the database to be created.