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....
Most of the rest of this discussion centers on the complex case of a table that is being modified -- any row could be UPDATEd, INSERTs could go anywhere into the table. And it assumes a single machine, or a single Master. Some likely special cases are covered near the end ("Alternative...
Learning MySQL and MariaDB by Russell J.T. Dyer Buy on Amazon Buy on ebooks.com Chapter 5. Altering Tables Despite the best planning, you will need occasionally to change the structure or other aspects of your tables. We cannot imagine everything that we might want to do with a table, ...
In some databases like MySQL, you can even specify where to insert the new column using the FIRST or AFTER clauses, though this is not a standard feature. Altering table to add new column(s) ALTER TABLE mytable ADD column DataType OptionalTableConstraint DEFAULT default_value; Removing ...
Category:MySQL Cluster: Cluster (NDB) storage engineSeverity:S3 (Non-critical) Version:5.1.22_6.3.6OS:Any Assigned to:Jonas OrelandCPU Architecture:Any [23 Nov 2007 17:04] Geert Vanderkelen Description:Altering a table which occupies about 25% of the data memory, makes it fail with error ...
Status:ClosedImpact on me: None Category:MySQL Workbench: SQL EditorSeverity:S3 (Non-critical) Version:5.2.37OS:MacOS (10.7.2) Assigned to:CPU Architecture:Any [19 Jan 2012 15:38] Jason Murphy Description:When altering a table with uppercase letters in the table name, the software automatica...
returns a result indicating this lack of support. You can make OPTIMIZE TABLE work for other storage engines by starting mysqld with the --skip-new option. In this case, OPTIMIZE TABLE is just mapped to ALTER TABLE....
Select the constraint in the list, Click theRemovebutton. Indexes Tab TheIndexestab is only used for the MySQL database, as a replacement for theUnique Constraintstab. The reason is that for MySQL, the CREATE TABLE statement can be used to declare both unique and non-unique indexes. MySQL ...
(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 (2,4,6) -> ); Query OK, 0 rows affected (0.03 sec) mysql> ALTER TABLE t3 ALTER COLUMN a SET DEFAULT 20, ALTER COLUMN b ...
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) ...