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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
20
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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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Using LIMIT within GROUP BY to get N results per group?
...ehavior of both quirks is not guaranteed. Revised answer as follows.
In MySQL 5.x you can use poor man's rank over partition to achieve desired result. Just outer join the table with itself and for each row, count the number of rows lesser than it. In the above case, lesser row is the one with high...
Difference between Repository and Service Layer?
...Service could return only ones, user has access to.
In ASP.NET MVC + EF + SQL SERVER, I have this flow of communication:
Views <- Controllers -> Service layer -> Repository layer -> EF -> SQL Server
Service layer -> Repository layer -> EF This part operates on models.
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Dynamic LINQ OrderBy on IEnumerable / IQueryable
...example in the VS2008 Examples for Dynamic LINQ that allows you to use a sql-like string (e.g. OrderBy("Name, Age DESC")) for ordering. Unfortunately, the method included only works on IQueryable<T> . Is there any way to get this functionality on IEnumerable<T> ?
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How important is the order of columns in indexes?
...hat I am illustrating in a very simple way. This isn't very unique or even SQL specific; B-tree indexing is pretty common across so many things.
– Nick Craver♦
Aug 23 '16 at 10:11
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How do you track record relations in NoSQL?
I am trying to figure out the equivalent of foreign keys and indexes in NoSQL KVP or Document databases. Since there are no pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal we...