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How to reset sequence in postgres and fill id column with new data?
...have a table with over million rows. I need to reset sequence and reassign id column with new values (1, 2, 3, 4... etc...). Is any easy way to do that?
...
How do I put an 'if clause' in an SQL string?
...seOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING'
)
However, I might guess that yo...
updating table rows in postgres using subquery
... address=subquery.address,
partn=subquery.partn
FROM (SELECT address_id, customer, address, partn
FROM /* big hairy SQL */ ...) AS subquery
WHERE dummy.address_id=subquery.address_id;
This syntax is not standard SQL, but it is much more convenient for this type of query than standard ...
SQL Server add auto increment primary key to existing table
...ting table which is already populated with 150000 records. I have added an Id column (which is currently null).
15 Answers
...
LEFT JOIN only first row
...
If you can assume that artist IDs increment over time, then the MIN(artist_id) will be the earliest.
So try something like this (untested...)
SELECT *
FROM feeds f
LEFT JOIN artists a ON a.artist_id = (
SELECT
MIN(fa.artist_id) a_id
FR...
Select SQL Server database size
...
Try this one -
Query:
SELECT
database_name = DB_NAME(database_id)
, log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, total_size_m...
How can I define an interface for an array of objects with Typescript?
... with an indexer:
interface EnumServiceGetOrderBy {
[index: number]: { id: number; label: string; key: any };
}
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Get selected value/text from Select on change
...g JavaScript
<script>
function val() {
d = document.getElementById("select_id").value;
alert(d);
}
</script>
<select onchange="val()" id="select_id">
Using jQuery
$('#select_id').change(function(){
alert($(this).val());
})
...
Convert string to number and add one
I want to turn the value I get from the id into a number and add one to it then pass the new value into the dosomething() function to use. When I tried this and the value is one I get back 11 not 2.
...
MySQL - UPDATE query based on SELECT Query
...syntax:
UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here
ANSI SQL syntax:
UPDATE tableA SET validation_check =
(SELECT if(start_DTS > end_DTS, 'VALID', '') AS validation_check
FRO...