You need to specify the data type of the column along with any potential table constraints and default values to be applied to both existing and new rows. In some databases like MySQL, you can even specify where to insert the new column using the FIRST or AFTER clauses, though this is ...
I was trying to alter (ALTER TABLE) a MyISAM table on our production system to add several columns. The table is 13 M and some records and about 2.5 GB in size. The platform is W2k3 with MySQL 4.0.20. After well over an hour of processing, the alter query returns: ...
mysql> create tablespace t2 add datafile '/home/mysql_tablespaces/t2.ibd' engine=innodb; Query OK, 0 rows affected (0,00 sec) mysql> alter table sbtest1 tablespace=t2; ERROR 2013 (HY000): Lost connection to MySQL server during query 09:14:30 UTC - mysqld got signal 11 /opt/mysql57...
TABLE t2 ALTER COLUMN a SET DEFAULT 20, -> ALTER COLUMN b SET DEFAULT 200, ALGORITHM = INSTANT; Query OK, 0 rows affected (0.01 sec) mysql> CREATE TABLE t3 (a INT, b INT) PARTITION BY LIST(a)( -> PARTITION mypart1 VALUES IN (1,3,5), -> PARTITION MyPart2 VALUES IN (2,...
Status:No FeedbackImpact on me: None Category:MySQL Workbench: SQL EditorSeverity:S3 (Non-critical) Version:5.2.44OS:Windows (Microsoft Windows 7 Service Pack 1 (build 7601), 32-bit) Assigned to:CPU Architecture:Any Tags:WBBugReporter ...
By default,OPTIMIZE TABLEdoesnotwork for tables created using any other storage engine and returns a result indicating this lack of support. You can makeOPTIMIZE TABLEwork for other storage engines by startingmysqldwith the--skip-newoption. In this case,OPTIMIZE TABLEis just mapped toALTER TABLE...
inquery_mysql.connection.query(self,query)MySQLdb._exceptions.OperationalError:(1833,"Cannot change column 'id': used in a foreign key constraint 'Lori_kalendereintrag_kostenstelle_id_bcd99894_fk_kostenste' of table 'LoriDB.Lori_kalendereintrag_kst'")Theaboveexceptionwasthedirectcauseofthefollowing...
Re: altering a table Posted by:niraj kumar Date: September 11, 2008 01:23AM you will have to have plsql for this ... I am not sure how to get this in single sql statement. http://freeonlinebookstore.org Sorry, you can't reply to this topic. It has been closed....
Im currently trying to alter a table within my phpbb installation. The specific edit: ALTER TABLE phpbb_users ADD user_from_school(25) NULL AFTER user_from; MySQL seems to have a problem with this, giving me the error "#1064 - You have an error in your SQL syntax near '(25) ...
Now, if I put a "SELECT * FROM test;" or a "SHOW COLUMNS FROM test;" or a "SHOW TABLE STATUS;" between the CREATE TABLE statements and the ALTER TABLE statements, then the SQL executes without errors. However, a "FLUSH TABLES;" does not prevent the error, as the MySQL documentation...