Viewing 14 posts - 1 through 15 (of 15 total)
then the ""MAIN""" question is
PRACTICAL implementation ( how ??? )

May 27, 2026 at 3:00 pm
not exists "preferred" "better in all sorts " over left join

May 26, 2026 at 7:01 pm
“Everything I Needed to Know Used to Be Found in One Book”
I’ve worked in the software industry since 1998.
Back then, learning was different.
If you had one solid book, enough curiosity,...
May 26, 2026 at 3:51 pm
hi
my query = worst
Paul White / Steve Query = Best

May 26, 2026 at 1:23 pm
DECLARE @s varchar(max)='1,2,4,5,7,8,11,12,13,15,17,19,20'
;WITH n AS
(
SELECT 1 x
UNION ALL
SELECT x + 1
FROM n
WHERE x < 20
)
SELECT x
FROM n
WHERE ',' + @s + ',' NOT LIKE '%,' + CAST(x...
May 25, 2026 at 8:14 am
hi hope this helps
drop table if exists #abc
create table #abc ( col1 varchar(100) )
insert into #abc values
(' 1,2,4,5,7,8,11,12,13,15,17,19,20')
select * from #abc
t-sql solution
;WITH x AS
(
SELECT v =...
May 24, 2026 at 3:14 pm
hi hope this helps
SAMPLE DATA
DROP TABLE IF EXISTS dbo.SampleData;
GO
CREATE TABLE dbo.SampleData
(
Col1 VARCHAR(20)
);
GO
INSERT INTO dbo.SampleData (Col1)
VALUES
('A'),
('B'),
('A10'),
('A20'),
('B05'),
('A10Q'),
('A30P'),
('B05X'),
('A10QA'),
('B05XY'),
('A10QA01'),
('A10QA02'),
('B05XY99'),
('C'),
('C03'),
('C03C'),
('C03CA'),
('C03CA01'),
('D07'),
('D07M'),
('E99ZZ01');
GO
T-SQL solution
SELECT
Col1,
CASE WHEN LEN(Col1) >= 1 THEN LEFT(Col1,1) END AS Level1,...
May 23, 2026 at 4:32 pm
hi
hope this helps
DROP TABLE IF EXISTS SampleData;
CREATE TABLE SampleData
(
col1 VARCHAR(max)
);
INSERT INTO SampleData (col1)
select 'NYSTATIN SUSP 500000 UNIT = 5 ML (1 5 ML CUP)'
UNION ALL
Select 'NYSTATIN SUSP 0.75 UNIT =...
May 21, 2026 at 7:34 am
hi
hope this helps
DROP TABLE IF EXISTS SampleData;
CREATE TABLE SampleData
(
col1 NVARCHAR(max)
);
INSERT INTO SampleData (col1)
select 'Sarat'
union ALL
select 'qwerty'
union ALL
select 'AS123werTy'
t-sql solution
select
col1
,case when
col1 COLLATE Latin1_General_CS_AS <> lower(col1 COLLATE Latin1_General_CS_AS) then...
May 21, 2026 at 5:46 am
hi hope this helps
DROP TABLE IF EXISTS SampleData;
CREATE TABLE SampleData
(
col1 NVARCHAR(max)
);
INSERT INTO SampleData
(col1)
select '10.4.'
union all
select '12.1.4'
union all
select '13.789'
union all
select '90.1'
t-sql solution
select * from sampledata where len(col1) - len(replace(col1, '.',...
May 21, 2026 at 2:42 am
hi hope this helps
CREATE TABLE locations (
id INT PRIMARY KEY IDENTITY(1,1),
latitude FLOAT NOT NULL,
longitude FLOAT NOT NULL
);
INSERT INTO locations (latitude, longitude)
VALUES
(45.123456, -111.123456), -- Center point
(45.200000, -111.200000), -- Nearby
(45.500000, -111.500000), --...
May 8, 2026 at 6:04 am
Viewing 14 posts - 1 through 15 (of 15 total)