PostgreSQL 7.4 (Yep upgrading) So in my WHERE condition I have this AND CASE WHEN \"substring\"(t.\"FieldID\"::text, 0, 3) = \'01\'::text
UPDATE: Crap! it\'s not an integer it\'s character varying(10) Executing the query like this uses the index
I have HBase running in standalone mode and encountered some problems when I query the tables using the Java API.
I have a query that really isn\'t that complicated. Its taking close to 250ms to run, which is pretty slow. I\'ve analyzed the query using EXPLAIN and noticed a seq scan. I have the proper indexes in
I have this query ...which runs extremely slowly (almost a minute): select distinct main.PrimeId from PRIME main
This is my query: SELECT B.RECORDID, A.ITEMCODE, A.ITEMNAME, A.STOCKINHAND, B.SALEPRICE FROM ITEMMASTER A, STOCKENTRY B
These tables have less than 20 fields, properties has about 9 million rows while listings has 3 million rows, but that should not be a problem.This is what databases are for...
I have a database with 24M records in SQL Serv开发者_开发问答er 2000. When I run this query select * from cdr
I need to get x rows from a Database Table which satisfy some given criteria. I know that we can get random rows from MySQL using ORDER BY RAND ().
I understand that SQL EXISTS checks for the existence o开发者_运维知识库f rows, however does it evaluate the entire expression? So for example, would something like this:
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