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Using psql how do I list extensions installed in a database?
...st all extensions that are already installed in a database or schema from psql?
3 Answers
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Django - filtering on foreign key properties
...the type of comparison used in the query that the django ORM produces, the sql will probably look like LIKE '%Foo%'.
– orangecaterpillar
Apr 7 at 0:43
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Postgresql aggregate array
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Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the col...
Mysql - How to quit/exit from stored procedure
...ry simple question but i did't get any simple code to exit from SP using Mysql.
Can anyone share with me how to do that?
6 ...
How to retrieve inserted id after inserting row in SQLite using Python?
How to retrieve inserted id after inserting row in SQLite using Python? I have table like this:
2 Answers
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Export Postgresql table data using pgAdmin
I am using pgAdmin version 1.14.3. PostgreSQL database version is 9.1.
3 Answers
3
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Text editor to open big (giant, huge, large) text files [closed]
...ehavior of logparser works like a "data processing pipeline", by taking an SQL expression on the command line, and outputting the lines containing matches for the SQL expression.
Microsoft describes Logparser as a powerful, versatile tool that provides universal query access to text-based data such ...
Utilizing multi core for tar+gzip/bzip compression/decompression
...mes and compression options, you can use:
find /my/path/ -type f -name "*.sql" -o -name "*.log" -exec \
tar -P --transform='s@/my/path/@@g' -cf - {} + | \
pigz -9 -p 4 > myarchive.tar.gz
Step 1: find
find /my/path/ -type f -name "*.sql" -o -name "*.log" -exec
This command will look for the f...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
How do I modify the owner of all tables in a PostgreSQL database?
20 Answers
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Foreign key constraints: When to use ON UPDATE and ON DELETE
I'm designing my database schema using MySQL Workbench, which is pretty cool because you can do diagrams and it converts them :P
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