#!/usr/bin/env perl use warnings; use 5.012; use DBI; my $dsn = \"DBI:Proxy:hostname=horst;port=2000;dsn=DBI:ODBC:db1.mdb\";
In the begininng of my app, i am running a sqlite3 command on existing sqlite3 DB. The command goes like that:
I\'m using SQL Server 2005/2008.I need to add a column to a table if it does not yet exist. This will apply to all tables in a given database.I hoped I was close, but I\'m having issues with this solu
I\'m wondering if there is a way to loop through all of the columns in a table and increase the size of each field based on what the current size. Basically, I need any fields that currently have a fi
I figure this is very easy, but I am trying to run this command only if those columns already don\'t exist:
I have an innodb table that contains 70 million records and already has several single column indexes. I want to add a new multicolumn index that would allow me to run queries on multiple columns. I d
I\'m attempting to add a nullable column 开发者_运维知识库to a frequently used table in an Oracle 10 OLTP database while the application is running and busy.Adding a nullable column is only a data dic
I am using SQL Server. I want to add a single column named [DateCreated] to multiple tables. Is it possible that with a single statement I could add this column to all the tables in my database?
Hey. I\'m currently learning to use MySql and have a couple of questions. 1) How do I update a column (empty table) to make it an AUTO_INCREMENT column? I tried
I hear that many people use master - slave arrangements help to improve time taken when changing schemas by using replication to setup a new temporary master, then stopping relocation and then swappin
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