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PostgreSQL » 16.07.2012 » by jhonty
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.. 5.0 / 10 .. (11 votes)
Another 10 PostgreSQL string functions have discussed with syntax and example in this page.
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PostgreSQL » 16.07.2012 » by jhonty
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.. 4.7 / 10 .. (13 votes)
The PostgreSQL string functions can be used for manipulating and examining various type of queries independently or within a table. Here is the list of operator and 10 string functions bellow.
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PostgreSQL » 24.05.2007 » by biohazard
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.. 4.6 / 10 .. (11 votes)
Why do we need to worry about the data types we're storing in a database? Well mainly because it helps you with database design.
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PostgreSQL » 24.05.2007 » by biohazard
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.. 4.1 / 10 .. (16 votes)
Adding data to a database is quite easy. The easiest way to do it with php is through a form on a website.
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PostgreSQL » 24.05.2007 » by biohazard
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.. 4.9 / 10 .. (11 votes)
Now we can add data to the database we'll look at how to retrieve it.
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PostgreSQL » 24.05.2007 » by biohazard
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How do we update information already in our database? Here's a look at it.
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PostgreSQL » 24.05.2007 » by biohazard
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.. 5.0 / 10 .. (14 votes)
Deleting old data from your database is a useful thing to do. If you keep a list of books or cd's you own and you sell or give something away, you can remove it from the list.
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PostgreSQL » 24.05.2007 » by biohazard
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.. 5.3 / 10 .. (9 votes)
Database indexes help speed up retrieval of data, they can significantly improve performance - the other great benefit of that is your server doesn't have to work as hard to get the data.
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PostgreSQL » 24.05.2007 » by biohazard
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.. 4.8 / 10 .. (8 votes)
Setting up multiple tables in a database is an easy way to keep related data together.
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PostgreSQL » 24.05.2007 » by biohazard
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As is the case with most modern relational languages, SQL is based on the tuple relational calculus. As a result every query that can be formulated using the tuple relational calculus (or equivalently, relational algebra) can also be formulated using SQL.
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