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What is a “batch”, and why is GO used?
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GO is not properly a TSQL command.
Instead it's a command to the specific client program which connects to an SQL server (Sybase or Microsoft's - not sure about what Oracle does), signalling to the client program that the set of commands that were...
Add column to SQL Server
I need to add a column to my SQL Server table. Is it possible to do so without losing the data, I already have?
5 Answers...
Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
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You didn't say what version you were using, but in SQL 2005 and above, you can use a common table expression with the OVER Clause. It goes a little something like this:
WITH cte AS (
SELECT[foo], [bar],
row_number() OVER(PARTITION BY foo, bar ORDER BY baz) AS [rn]
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
I'm trying to migrate a MySQL-based app over to Microsoft SQL Server 2005 (not by choice, but that's life).
11 Answers
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Xcode 4 and Core Data: How to enable SQL Debugging
I'm working on a universal iOS app and I'd like to see the raw SQL in the logs when I'm debugging. There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4.
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How do I put an 'if clause' in an SQL string?
So here's what I want to do on my MySQL database.
9 Answers
9
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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
... answered Feb 24 '09 at 17:57
SQLMenaceSQLMenace
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How to delete duplicate rows in SQL Server?
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@omachu23: you can use any SQL in the CTE(apart from ordering), so if you want to filter by Johns: ...FROM dbo.Table1 WHERE Col1='John'. Here is the fiddle: sqlfiddle.com/#!6/fae73/744/0
– Tim Schmelter
Feb 11 '15...
How to convert all tables from MyISAM into InnoDB?
...t your database here first
//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyISAM'";
$rs = mysql_query($sql);
while($row = mysql_fetch_array($rs))
{
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