Can database name have hyphen?
Database names must be unique to 24 bytes (or the maximum file name length imposed by your operating system, if less than 24). User names used to install and administer Ingres can contain the following ASCII characters only: alphanumeric, at (@), pound (#), dollar ($), underscore (_), hyphen (-), period (.).
Are dashes allowed in SQL?
2 Answers. Yes, you can use punctuation, white space, international characters, and SQL reserved words if you use delimited identifiers: SELECT * FROM `my-table`;
How do you name a database in SQL Server?
If you are using SQL Server, you can set the database to single-user mode to close any open connections and prevent other users from connecting while you are changing the database name. In Object Explorer, expand Databases, right-click the database to rename, and then select Rename.
What is hyphen in SQL?
The double hyphen places a single-line comment in a SQL*Plus script. The double hyphen works the same way as REMARK, except that it may be used in SQL statements and PL/SQL blocks. When used in a SQL statement or PL/SQL block, the double hyphen may be used to add trailing comments to a line.
How do you drop a database with a hyphen?
If we want to drop a database called “db-name”. we have to escape the database name which contains the hyphen by using double quotation marks.
How can I see all mysql databases?
To list all databases in MySQL, execute the following command: mysql> show databases; This command will work for you whether you have Ubuntu VPS or CentOS VPS. If you have other databases created in MySQL, they will be listed here.
What data type is dash?
When dealing with numbers, a dash usually means negative. Is that all you’re trying to deal with is negative numbers? Thanks Guys.
Does varchar include dash?
Then you have to use a varchar = none numeric data type to store numeric with dashes. A value of 101-07 is not a number. It is a text string.
How do you name a database?
Database Names
- Database names must only consist of the letters a to z (both lower and upper case allowed), the numbers 0 to 9, and the underscore (_) or dash (-) symbols This also means that any non-ASCII database names are not allowed.
- Database names must always start with a letter.
Can we rename SQL Server instance name?
AFAIK, there’s no way to rename a SQL Server instance. You either have to re-install, or install a new instance with the desired name. Once that’s done, you could move your user DB’s over.
Can MySQL table name contains hyphen?
No, you won’t get any issues with underscores in a MySQL table name. You will get the issues with a dash in a MySQL table name.
How do I add a hyphen in SQL Server?
To set a string with hyphen and numbers, you need to use single quotes. For example, ‘Customer-1234-899’, ‘Customer-9383-901’, etc.
How to output database name with table name?
Output with user in db_owner group. or, select the existing database with a USE statement and run the query. if you are using databasename with table name then suppose to specify the schema name also.
Is there a database with the same name?
A database with the same name exists, or specified file cannot be opened, or it is located on UNC share. It has only begun since i decided i wanted to use IIS, I realise VWD comes with its own localhost, but since it is only temporary, i wanted a permanent shortcut on my desktop to link to my intranet page.
Can a database be dropped in SQL Server 2005 Express?
SQL Server 2005 Express: The Database Principal Owns A Schema In The Database, And Can Not Be Dropped. Database Create ODBC Connections To Access Database Directly And Update Data? I Have A Database On A Network Drive That I Use For Archiving Purposes, But When The Server Is Rebooted The Database Becomes Suspect.