I have a SQL server table where I want to query for items on rows which have a value equal to an item in Array. Here’s my example: And my array: So, I want to return from SQL rows matching items in the array. my SQL query should return items where column1 matches an item in the array: This all
MySQL – Select only numeric values from varchar column
Consider the following table : How can I write a select statement that would only return the numeric values like SQLFiddle Answer
concatenate tinyint datatypes column using derived column in ssis
I have asked a similar Question before but this time I have problems with single-byte unsigned integer What I am trying to achieve is Column 5: Columns 1, Column 2, Column 3 and Column 4 data types is Tinyint but for Column 5 I need it as a string preferably varchar 100. So I tried: But I can’t seem to
MySQL SubString Returns Integer
I’ve got a table with a varchar(128) field called identifier. It is supposed to get a 3 letter identifier followed by an indexing number: At some point in the past, there was a bug and about 5,000 records were input as: Our numbers do not go that high, so these values are padded with zeros (0). I wrote …
Emulating materialized views in PostgreSQL with concurrent refreshes
I’m using PostgreSQL 9.2.4 and would like to emulate a materialized view. Are there any well-known methods for doing this, including concurrent refreshes? Answer PostgreSQL wiki – materialized views links to two trigger-based implementations. The general idea is to put AFTER INSERT OR UPDATE OR DE…
Replace NOT IN with LEFT JOIN in SQL statement
I wrote two queries which are working fine, but they are really really slow: SELECT director FROM movies WHERE id NOT IN (SELECT movie_id FROM stars_in_movies WHERER star_id = %s); SELECT …
SQL function return-type: TABLE vs SETOF records
What’s the difference between a function that returns TABLE vs SETOF records, all else equal. CREATE FUNCTION events_by_type_1(text) RETURNS TABLE(id bigint, name text) AS $$ SELECT id, name FROM …
How to compare records in a SQL Table
I have a table name TransactionTable. If InsuranceCode = ‘ADAP’ and IsADAP = 1, I have to filter these records and return the remaining records. I am trying to write something similar to this syntax. Total records in TransactionTable is 1832 and Total records on filtration criteria is 109. I expec…
Using TIMESTAMPDIFF with JPA criteria query and hibernate as the provider
I have a data table with columns setup and release, both of which hold timestamps. My goal is to create an equivalent of the SQL query below using CriteriaQuery. SQL Query:SELECT TIMESTAMPDIFF(SECOND, setup, released)) as sum_duration FROM calls The CriteriaBuilder#diff() function clearly does not work as it …
How to convert a varchar column to bit column in SQL SERVER
Flag1 is a varchar column with values “true” and “false”. I need to convert this into bit column. When I try to do this: Convert(Bit,Flag1) it shows an error Msg 245, Level 16, State 1, Line 2 …