TABLE t % (c int) --failed. So I learned about the hyphens the hard way, but would have never known if I had pulled up a table with an underscore in its name. When I try to use these names from my Java code, the names are broken at the hyphen (e.g. What is special about the area 30 km west of Beijing? You must use quotes when using special characters (such as a hyphen) or wildcard characters. I have registered a bug with MySQL here Someone else verified it on MacOSX, I'll wait and see what the fix is and post an updated answer soon. 1 Solution. Yes, it causes issues if you use it directly like DESCRIBE my-table; This will definately cause issues. Please remember I am doing this via command line and not php (that would be to easy!) SSCrazy Eights. Re: SHOW syntax and hyphen in a dbname View as plain text On Tue, Jul 30, 2002 at 01:45:59PM +0900, Takanori Ugai wrote: > Dear Folks, > > I'm not sure this is a bug or the SQL syntax. What justification can I give for why my vampires sleep specifically in coffins? Please join: MySQL Community on Slack; MySQL Forums . Database Names With Hyphens Issue. Use the AS keyword when running your SELECT statements to rename columns within queries. Posted by: Keith D Commiskey Date: February 12, 2006 08:58PM Hi there, I've been doing mysql and php for about … I am using innodb_file_per_table. Use the AS keyword when running your SELECT statements to rename columns within queries. Microsoft SQL Server 2005; 12 Comments. Why would NSWR's be used when Orion drives are around? Could I use a blast chiller to make modern frozen meals at home? Reproduce code: ----- -Create a MySQL table with a hyphen in its name -Run createTables.php Expected result: ----- Hyphens should be converted to a valid character (e.g. See section 9.1.1 The character set used for data and sorting. Database Names With Hyphens Issue; Post reply. The database is Intersystems Cache, but it accepts … Hyphens are a big problem because if you end up mapping a column name to a variable, most languages do not like to have hyphens inside variable names. Certain objects within MySQL, including database, table, index, column, alias, view, stored procedure, partition, tablespace, and other object names are known as identifiers. I have a database that has a table with a hyphen in the name (don't look at me, I didn't do it!). just for your information that i am using sql server 2005. Posts: 983 . What's the point of a MOSFET in a synchronous buck converter? How do I quickly rename a MySQL database(change schema name)? Query a SQL database with a hyphen in the field name. Don't know how authoritative it is. It says that (at least) hyphens and wildcard characters require quoting, if used: The user name and host name may be unquoted, quoted as strings using double quotes (") or single quotes ('), or quoted as identifiers using backticks (`). This says "don't do it." Sign in to vote. I LIKE hyphens because that make phrases and compound-words easier-to-read, including table-names. List: General Discussion « Previous Message Next Message » From: Dan O'Keefe: Date: August 28 2008 11:01am: Subject: escape a dash in table name: View as plain text : How do you escape a dash in a table name such as temp-08-08-28? Still, we can fix the hyphen in the database name by surrounding the name with backtick symbol − mysql> create database `customer-tracker`; This will produce the following output − The default character set is ISO-8859-1 Latin1; this may be changed by recompiling MySQL. Check the manual that corresponds to your MySQL server version for the right syntax to use near '% 2A FROM % 60guess_a_number_1 % 60 LIMIT 0, 30' at line 1 Wow. If you don't know what that means, don't do it. This is not very efficient, but it will allow you to get what you want. rev 2021.2.9.38523, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. I followed my dreams and got demoted to software developer, Opt-in alpha test for a new Stacks editor, Visual design changes to the review queues, check the manual that corresponds to your mysql server version for the right syntax to use near '( -, i'm trying to insert values to the table in my db, but there is something goes wrong, insertion query does not work, Error because of row names that matches PHP code, SQL- Insert Into PHP-prepare Statement False Syntax, Issue with @Column annotations in Squeryl with Play Framework and MySQL, database is connected but data is not storing in xamp server. Points: 8366 . But the database folder name under /var/lib/mysql turned to be gss@022dapp, but when I login to mysql using mysql -u root -p and type show databases; it lists the database name as gss-app only and I can Use Database gss-app and list the tables using show tables … Convert the column names to use underscores - this is the safest way to go. permalink. It's better to not use hyphens in your column names. Do you have hyphens (-) or underscores (_) in your column names? When I try to use these names from my Java code, the names are broken at the hyphen (e.g. To change one or more tables, we use the RENAME TABLEstatement as follows: The old table ( old_table_name) must exist, and the new table ( new_table_name) must not. Section 9.2.1, “Identifier Length Limits”, indicates the maximum length of each type of identifier. Let us first create a table −. In addition to the tables, we can use the RENAME TA… Do hyphens (-) in MySQL table names cause issues? Posted by developer: Fixed as of the upcoming 8.0.17 release, and here's the changelog entry: A FULLTEXT index table created in MySQL 5.6 in a database with a hyphen in its name caused a startup failure after upgrading from MySQL 5.7 to MySQL 8.0. Documentation Downloads MySQL.com. Forums; Bugs; Worklog; Labs; Planet MySQL; News and Events; Community; MySQL.com; Downloads; Documentation; Section Menu: MySQL Forums Forum List » Newbie. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How do you set a default value for a MySQL Datetime column? MySQL provides us with a very useful statement that changes the name of one or more tables. This says "don't do it." How would having a lion tail be beneficial to a griffin as opposed to a bird one? Good luck! How to import an SQL file using the command line in MySQL? Solved Microsoft SQL Server. Meaning and addressees of Hector's threats. I need to query that table. What CJK character sets are available in MySQL? Content reproduced on this site is the property of the respective copyright holders. Having trouble inserting into a SQL Server table that has a column name with a hyphen. Rename all of your columns using ALTER TABLE. Database, Table and Column Naming Conventions? I tried all these characters & sql server allowed these characters in both table name & column name. For example, 'Customer-1234-899', 'Customer-9383-901', etc. However, I think it's referring to data and not column names. Database, table, index, column and alias names all follow the same rules in MySQL: A name may consist of alphanumeric characters from the current character set and also `_' and `$'. Good luck! Don't know how authoritative it is. I tried replacing hyphens to underscores in my code hoping that the DB might treat them equally but that doesn't work. Hyphens (which are valid in MySQL table names) aren't valid in PHP Classes: Submitted: 2004-01-17 17:56 UTC: From: thomas at unifiedconsulting dot com: Assigned: alan_k: Status: Closed: Package: DB_DataObject: PHP Version: Irrelevant: OS: Linux 2.6.0: Roadmaps: (Not assigned) Subscription: Your email: Comments Add Comment Add patch [2004-01-17 17:56 UTC] thomas at unifiedconsulting dot … Sorry, you can't reply to this topic. I am using a 2/3 yr old MySQL database which has hyphens in its column names. Advanced Search. How do you set a default value for a MySQL Datetime column? May be this question has been answered before but I couldn't find it. May be this question has been answered before but I couldn't find it. How to find all the tables in MySQL with specific column names in them? Old story about two cultures living in the same city, but they are psychologically blind to each other's existence. To set a string with hyphen and numbers, you need to use single quotes. Mysql, Table-name containing hyphen, TableQuery Fails. The list of CJK character sets may vary depending on your MySQL version. I am using a 2/3 yr old MySQL database which has hyphens in its column names. Create a database named "hyphen-test" Create a table named "testtable" in that database with some columns; Open the table, open its Properties, select the Columns tab; Hit F5 air_port becomes air) and thus are not found. But you can use them with the backtick trick `. 7 years ago Jul 19, 2013 7:20pm. MyISAM work fine when hyphen is in the schema name. Posted by: Keith D Commiskey Date: February 13, 2006 12:27AM Problem here (and the original problem too) was … 0. 16 posts Mears. Unable to create a new database with a name containing a hyphen: Submitted: 9 Apr 2005 14:58: Modified: 9 Apr 2005 15:21: Reporter: David Leangen: Email Updates: Status: Not a Bug : Impact on me: None . This says "don't do it." Create SQL views that simple restate the tables you need but with "better" column names. The IGNORETABLES variable will be built from a table and compared against before final backup. – thepearson Mar 13 '11 at 9:42 How does this solve the problem of an existing database/table with hyphens in column names? 3.) What is an alternative theory to the Paradox of Tolerance? However, since the name of the applicable language appears in the DESCRIPTION column for every entry in the INFORMATION_SCHEMA.CHARACTER_SETS table, you can obtain a current list … Depending on the nature of your problem, there are a couple of different approaches you can use: None of these are great solutions, but they should get you started. Advanced Search. It is seems to be limited to InnoDB tables, when the schema has a hyphen in the name. CREATE . Is there a way to escape the database name with the hyphen. As an alternative - in case where even backticks should cause problems (you know it happend to me) and you want to stick to hypens no matter what - just create a VIEW to reflect the same table with all the fields and query the view instead of the original table. exx1976 asked on 2010-09-17. Should I use the datetime or timestamp data type in MySQL? I suffered a big problem with JOIN statements where hyphens caused big trouble - there even escaping names in back ticks didn't work. Create SQL views that simple restate the tables you need but with "better" column names. Re: Hyphen in table name. How can I use mySQL replace() to replace strings in multiple records? – a_horse_with_no_name Sep 7 '13 at 7:21. text/html 11/23/2010 10:41:03 AM Uri Dimant 0. This is not very efficient, but it will allow you to get what you want. How to deal with crossing wires when designing a PCB? MySQL Lists are EOL. Could this be an issue of the character set being used ? My tabel-namn in the database contains a hyphen/dash, "database-assets", which means that I can not get TableQuery to work. Vahid Meshkintorreh. However, I think it's referring to data and not column names. How to connect mix RGB with Noise Texture nodes, Movie about a man with a hologram girlfriend, Show me the reaction mechanism of this Retro Aldol Condensation reaction, Generating random samples obeying the exponential distribution with a given min and max. Stack Overflow for Teams is a private, secure spot for you and
MySQL MySQLi Database. Hyphens in database names aren't good also. your coworkers to find and share information. I am using a 2/3 yr old MySQL database which has hyphens in its column names. air_port becomes air) and thus are not found. How can I escape the hyphen or how can I access these columns ? Hyphens in column names in MySQL DB (4) This entry at the MySQL forum suggests that you might have a problem. Depending on the nature of your problem, there are a couple of different approaches you can use: None of these are great solutions, but they should get you started. When I try to use these names from my Java code, the names are broken at the hyphen (e.g. Perhaps you are using one of the Java libraries that automatically generates variables or objects whose names are based on column names. Don't know how authoritative it is. For example, the gb18030 character set is not supported prior to MySQL 5.7.4. JC-3113. MySQL offers two ways to rename tables. MySQL query to get all characters before a specific character hyphen. using (-) dash in mysql table name. … In a microwave oven, why do smaller portions heat up faster? Sometimes I'm getting errors refreshing some non-data windows with F5 when the database contains the hyphen (-) symbol in its name. Ask Question Asked 7 years, 5 months ago. I suffered a big problem with JOIN statements where hyphens caused big trouble - there even escaping names in back ticks didn't work. The first one uses the ALTER TABLE syntax: ALTER TABLE oldtablename RENAME newtablename; Forums; Bugs; Worklog; Labs; Planet MySQL; News and Events; Community; MySQL.com; Downloads; Documentation; Section Menu: MySQL Forums Forum List » Newbie. How do I connect to a MySQL Database in Python? This entry at the MySQL forum suggests that you might have a problem. This is just another example. Because business requirements change, we need to rename the current table to a new one to better reflect the new situation. How to query a table with a hyphen in the name? Let us first create a table −. I tried replacing hyphens to underscores in my code hoping that the DB might treat them equally but that doesn't work. New Topic. More actions August 27, … by Ryan7304. May be this question has been answered before but I couldn't find it. Ars Scholae Palatinae Registered: Apr 8, 2001. Could this be an issue of the character set being used ? I have read lots about this problem, solution is always to use backticks - this works fine from cli but I just can't get it to work in php. Its name contains a hyphen, which seems to be the problem, although the USE statement accepts the database name. mysql> create table DemoTable1857 ( Name varchar (20) ); Query OK, 0 rows affected (0.00 sec) Insert some records in the table using insert command −. Why wasn't the Quidditch match suspended when Harry was knocked out? Be conscious that this could affect referential integrity or other applications that depend on the database. Should I use the datetime or timestamp data type in MySQL? This entry at the MySQL forum suggests that you might have a problem. How to find all the tables in MySQL with specific column names in them? Should I use DATE or VARCHAR in storing dates in MySQL? 6,001 Views. How can I escape the hyphen or how can I access these columns ? Convert the column names to use underscores - this is the safest way to go. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. If you don't know what that means, don't do it. Really. 2. Documentation Downloads MySQL.com. Perhaps you are using one of the Java libraries that automatically generates variables or objects whose names are based on column names. Reproducing. New Topic. It's better to not use hyphens in your column names. Cool, worked with Hibernate with SQL Server as well. I want to ignore tables using --ignore-table=database.table but my database has a hyphen in the name which breaks. query - mysql hyphen in table name . Hyphens are a big problem because if you end up mapping a column name to a variable, most languages do not like to have hyphens inside variable names. drop database `databasename` RE: Hyphen in database name pen81 (Programmer) (OP) 14 Dec 06 … Connecting to databases without '-' in name works fine so the hyphen has to be the issue. Let's call the table E-Mail_Addresses. MySQL MySQLi Database. Do you have hyphens (-) or underscores (_) in your column names? This section describes the permissible syntax for identifiers in MySQL.
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