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How do you find the disk size of a Postgres / PostgreSQL table and its indexes

... Try the Database Object Size Functions. An example: SELECT pg_size_pretty(pg_total_relation_size('"<schema>"."<table>"')); For all tables, something along the lines of: SELECT table_schema || '.' || table_name AS table_full_name, pg_size_pretty(pg_total_...
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Where is the C auto keyword used?

...because it declares that the car is broken down. The diagnostic is free of charge, but turning off the dashboard light will cost you eighty dollars. (Twenty or less, if you purchase your own USB dongle for on-board diagnostics from eBay). The aforementioned extern auto my_car also requires a diagno...
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How can I use optional parameters in a T-SQL stored procedure?

...ame varchar(25) = null, @Title varchar(25) = null AS BEGIN SELECT ID, FirstName, LastName, Title FROM tblUsers WHERE (@FirstName IS NULL OR (FirstName = @FirstName)) AND (@LastName IS NULL OR (LastName = @LastName )) AND (@Tit...
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How do I put an 'if clause' in an SQL string?

... WHERE purchaseOrder_ID = '@purchaseOrder_ID' and not exists (SELECT * FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING' ) However, I might guess that you are looping at a higher level. To set all such v...
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Restful way for deleting a bunch of items

...away with the javascript confirm on the same page, and instead, create the selection and redirect to it, showing a confirm message on that page. In other words: From: http://example.com/resources/ do a POST with a selection of the ID's to: http://example.com/resources/selections which, if succes...
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How to change column order in a table using sql query in sql server 2005?

... to look at the data in a table with a given column order when you make a "SELECT *". I'm a developer and do this kind of queries all the time. You can spare some time with a good pre-defined column order. From any other standpoint, of course, it has no sense: nothing should depend on the column ord...
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Finding # occurrences of a character in a string in Ruby

... Ruby method (1.9...) that can help me find the number of occurrences of a character in a string. I'm looking for all occurrences, not just the first one. ...
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Why does the jquery change event not trigger when I set the value of a select using val()?

... not being run when the value is set by val() , but it does run when user selects a value with their mouse. Why is this? 9...
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Salting Your Password: Best Practices?

...mantics. Pick a different salt per password, a long salt, and include odd characters in it like symbols and ASCII codes: ©¤¡ share | improve this answer | follow ...
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Initialize a byte array to a certain value, other than the default null? [duplicate]

...rrectly, even to fill with 0x00 bytes: Encoding.ASCII.GetBytes(new string((char)0, 100)); – Ben Aug 3 '16 at 19:44 Fun...