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Welcome,
I need some advise to improve perfomence my web application.
In the begin I had this structure of database:
USER
-id (Primary Key)
-name
-password
-email ....
PROFILE
-user Primary Key, Foreign Key (USER)
-birthday
-region
-photoFile ...
…
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Cascading Updates and Deletes, introduced with SQL Server 2000, were such an important, crucial feature that it is hard to imagine providing referential integrity without them. One of the new features in SQL Server 2005 that hasn't gotten a lot of press from what I've read is the new options for…
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I have a very simple datamodel that represents a tree structure:
The RootEntity is the root of such a tree, it can contain children of type ContainerEntity and of type AtomEntity. The type ContainerEntity again can contain children of type ContainerEntity and of type AtomEntity but can not contain…
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When I right-click in a .EDMX file and click Generate Database From Model, the resulting script is obviously wrong because of the table names. What it generates is the following script. Note the table names in the DROP TABLE part versus the CREATE TABLE part.
Why is this inconsistent?
This is obviously…
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CREATE TABLE project (
id INTEGER NOT NULL AUTO_INCREMENT,
created_at DATETIME NOT NULL,
name VARCHAR(75) NOT NULL,
description LONGTEXT NOT NULL,
is_active TINYINT NOT NULL DEFAULT '1',
PRIMARY KEY (id),
INDEX(name, created_at)
)
ENGINE = INNODB;
CREATE TABLE role (
…
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