大约有 300 项符合查询结果（耗时：0.0156秒） [XML]
How to write a foreach in SQL Server?
...n in the hints.
This is the proc code:
CREATE PROC [dbo].[PRC_FOREACH] (@TBL VARCHAR(100) = NULL, @EXECUTE NVARCHAR(MAX)=NULL, @DB VARCHAR(100) = NULL) AS BEGIN
--LOOP BETWEEN EACH TABLE LINE
IF @TBL + @EXECUTE IS NULL BEGIN
PRINT '@TBL: A TABLE TO MAKE OUT EACH LINE'
PRI...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
... a code example, and details covering all OSes.
– TGP1994
Jun 17 '13 at 21:42
3
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SQLite: How do I save the result of a query as a CSV file?
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sqlite> .mode csv
sqlite> .output test.csv
sqlite> select * from tbl1;
sqlite> .output stdout
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DropDownList's SelectedIndexChanged event not firing
... have fixed it, thank you. Can you explain why?
– TGP1994
Feb 5 '11 at 15:05
2
@TGP1994 :The Auto...
What's the difference between Sender, From and Return-Path?
...
Imagine some VIP that has an assistant managing their mailbox. If the assistant is writing email on behalf of the VIP, the assistant is the Sender, but the message is From the VIP. This is what happens when you see email described as "F...
Skip certain tables with mysqldump
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for multiple databases:
mysqldump -u user -p --ignore-table=db1.tbl1 --ignore-table=db2.tbl1 --databases db1 db2 ..
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Computed / calculated / virtual / derived columns in PostgreSQL
...ed columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, product bigint GENERATED ALWAYS AS (int1 * int2) STORED
);
db<>fiddle here
VIRTUAL generated columns may come with one of the next iterations. (Not in Postgres 13, yet) .
Relate...
-didSelectRowAtIndexPath: not being called
... [self.view addGestureRecognizer:tap];
– coolcool1994
Jul 4 '13 at 21:31
28
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...you likely want views and sequences too. Here's what I did:
Tables:
for tbl in `psql -qAt -c "select tablename from pg_tables where schemaname = 'public';" YOUR_DB` ; do psql -c "alter table \"$tbl\" owner to NEW_OWNER" YOUR_DB ; done
Sequences:
for tbl in `psql -qAt -c "select sequence_name ...
Simultaneously merge multiple data.frames in a list
...matchname party st district chamber senate1993 name.x v2.x v3.x v4.x senate1994 name.y
#1 ALGIERE 200 RI 026 S NA <NA> NA NA NA NA <NA>
#2 ALVES 100 RI 019 S NA <NA> NA NA NA NA <NA>
#3 BAD...