I have a question about the ALT开发者_运维问答ER TABLE command on a really large table (almost 30 millions rows).
Is there any way that I can convert the DateTime SQL value of this: 2011-10-11 00:00:00.000 to a string formatted exactly the same?开发者_运维知识库
I\'m modelling a database and I want to ask about the Varchar type. Is there any performance difference between Varchar(50) and Varchar(100)?
I\'m using SQL Server 2008 and I need to make a VARCHAR field bigger, from (200 to 1200) on a table with about 500k rows.What I need to know is if there are any issues I have not considered.
Running Symfony2 Upon submitting a form, here is the error I get: Catchable Fatal Error: Argument 1 passed to Depot\\StarterBundle\\Entity\\Application::setPropAddr() must be an ins开发者_开发知识库
I need to update the values from a VARCHAR column in a MySQL database from YYMMDDSXXXXX to YYMMDDSXXXX, where YY is year (i.e. 11 for 2011), MM is month (i.e. 09 for September), DD is day (i.e. 15), S
This question already has answers here: Closed 11开发者_StackOverflow中文版 years ago. Possible Duplicate:
Referring to the Postgres Documentation on Character Types, I am unclear on the point of specifying a length for character varying (varchar) types.
I have a datetime column that I need to alter to be a varchar column. Using the statement below, the strings produced have this format: \"Jan 18 20105:28PM\"
French and Spanish have special chars in them that are not used in normal English (accented vowels and such).
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