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SQL optimisation - Word count in string - Postgresql

PostgreSQL string escaping settings

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Getting transactionid(xid) from SQL

Remove blank-padding from to_char() output

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How to install progresql-9.3 properly

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Understanding "attribute_will_change!" method

How can I make null values be considered as MAX in SQL?

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gem install pg error: couldn't understand kern.osversion `14.0.0' on Yosemite w/ Ruby 2.1.5

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Delete duplicate rows from table with no unique key

How to increment primary key during postgres COPY batch insert?

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Shift (update) unique column values in PostgreSQL

What is a row constructor used for?

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SQL to get the 2nd (nth) record for each group (postgresql or mysql)

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How to select the latest entry from database with Ecto/Phoenix

Update PostgreSQL hstore field with sql variable

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Transactions are auto committed on PostgreSQL 9.5.2 with no option to change it?

Using WITH + DELETE clause in a single query in postgresql

SQLAlchemy func.count on boolean column

Rails console can't connect to database but rake tasks can