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Is asynchronous jdbc call possible?
...usy/blocked per concurrent request.
If the underlying database drivers (MySql?) offers a means to intercept the socket creation (see SocketFactory) then I imagine it would be possible to build an async event driven database layer on top of the JDBC api but we'd have to encapsulate the whole JDBC be...
Using “like” wildcard in prepared statement
I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts.
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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
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As far as I can tell, both syntaxes are equivalent. The first is SQL standard, the second is MySQL's extension.
So they should be exactly equivalent performance wise.
http://dev.mysql.com/doc/refman/5.6/en/insert.html says:
INSERT inserts new rows into an existing table. The INSERT ....
Insert results of a stored procedure into a temporary table
...Queries', 1
GO
RECONFIGURE
GO
SELECT * INTO #MyTempTable FROM OPENROWSET('SQLNCLI', 'Server=(local)\SQL2008;Trusted_Connection=yes;',
'EXEC getBusinessLineHistory')
SELECT * FROM #MyTempTable
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Can you use Microsoft Entity Framework with Oracle? [closed]
...c/win.112/e23174/featLINQ.htm#CJACEDJG
Note: ODP.NET also supports Entity SQL.
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Changing the maximum length of a varchar column?
...to use to do this. I found the documentation here: ALTER TABLE (Transfact-SQL) however I can't make heads or tails of it.
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Auto Generate Database Diagram MySQL [closed]
...ect specific tables and then create a database diagram for me based on a MySQL database? Preferably it would allow me to edit the diagram afterward since none of the foreign keys are set...
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How do you join on the same table, twice, in mysql?
... and alias them as the ToURL and FromUrl.
For more info about aliasing in SQL, read here.
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Alter Table Add Column Syntax
... To clarify, the 'COLUMN' keyword is only valid (but not required) in MySQL.
– ethanbustad
Feb 12 '15 at 21:28
4
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How to design a product table for many kinds of product where each product has many parameters
...gardless you have a blob of attributes that can't be easily queried within SQL; you have to fetch the whole blob back to the application and sort it out there.
Entity-Attribute-Value: One table for Products, and one table that pivots attributes to rows, instead of columns. EAV is not a valid design...