adding a columnPosted by: Prasun Velayudhan Date: June 22, 2010 12:53AM how to add a column whose name is a value from another table?? for ex: i've a value for empid:1001 in employee table and i need to add a column in temp table with a column named 1001!!! my ...
The reason for this is that the anonymous-user account has a more specific Host column value than the 'finley'@'%' account and thus comes earlier in the user table sort order. (For information about user table sorting, see Section 4.5, “Access Control, Stage 1: Connection Verification”....
The reason for this is that the anonymous-user account has a more specific Host column value than the 'finley'@'%' account and thus comes earlier in the user table sort order. (For information about user table sorting, see Section 4.6, “Access Control, Stage 1: Connection Verification”....
1 row in set, 1 warning (0.00 sec) A conclusionfrom this is we want smallerprimary keys if possible. ’s this table accordingly 1 2 3 mysql> alter tablet1 drop primarykey, column idint primarykey autoincrement; QueryOK, 0 rows affected(16.66 sec) Records: 0 Duplicates...
While the potential alterations made to the schema of a table in Google BigQuery are fairly limited, there are a essentially two types of changes you are allowed to perform. You may add a new NULLABLE or REPEATED column, or you may alter an existing column’s mode (from REQUIRED to ...
to add another unique column to act as the primary key. The internal GEN_CLUST_INDEX one is not exposed to the upper MySQL layer, and only theInnoDB engine is aware of it, hence it is useless for replication speed. Therefore, an explicit PK is always a better solution. However, if...
Bug #76895 Adding new column OR Drop column causes duplicate PK error Submitted: 30 Apr 2015 6:06Modified: 30 Apr 2015 14:02 Reporter: Nilnandan Joshi Email Updates: Status: Not a Bug Impact on me: None Category: MySQL Server: InnoDB storage engineSeverity: S2 (Serious) Version: 5.6...
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Category:MySQL WorkbenchSeverity:S3 (Non-critical) Version:5.0.30OS:Windows (Vista) Assigned to:CPU Architecture:Any Tags:5.0.30,add column,exception,workbench [24 Jun 2009 18:33] Paul Warren Description:A reproducible unhandled exception in MySQL Workbench. The error I get is below, See the ...
If the table already exists and of course is full of data, I only want to add a new column. then I can do that. The SQL looks like:- ALTER TABLE `item_master` ADD `sell_price` VARCHAR( 10 ) NULL DEFAULT '0' AFTER `description` ; THE QUESTION IS What I would like to ...