How many columns can a postgres table have?
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What is postgres process?
i have three table 1. student (stuid,name) 2. subject (subid,sname,studid) 3. marks (subid,studentid,marks) i want the reslut of how as got max marks in each subject sudentname,max(marks), name abc,70,nikitha
Explain about Multi version concurrency control?
What is postgresql client?
What does postgresql mean?
What type of database is postgres?
How do I create a postgresql table using pgadmin?
What does information_schema contain?
What is schema in teaching?
What is pg_catalog in postgres?
How do I start postgresql in linux?
Is foreign key should be unique?
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