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How to annotate MYSQL autoincrement field with JPA annotations
...he object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
10 A...
SQLAlchemy ORDER BY DESCENDING?
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from sqlalchemy import desc
someselect.order_by(desc(table1.mycol))
Usage from @jpmc26
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how to mysqldump remote db from local machine
...And change:
mysqldump -P 3310 -h localhost -u mysql_user -p database_name table_name
To:
mysqldump -P 3310 -h 127.0.0.1 -u mysql_user -p database_name table_name
(do not use localhost, it's one of these 'special meaning' nonsense that probably connects by socket rather then by port)
edit: we...
How to check which locks are held on a table
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You can find current locks on your table by following query.
USE yourdatabase;
GO
SELECT * FROM sys.dm_tran_locks
WHERE resource_database_id = DB_ID()
AND resource_associated_entity_id = OBJECT_ID(N'dbo.yourtablename');
See sys.dm_tran_locks
If multip...
Compare two DataFrames and output their differences side-by-side
... False "On vacation" """)
df1 = pd.read_table(DF1, sep='\s+', index_col='id')
df2 = pd.read_table(DF2, sep='\s+', index_col='id')
diff_pd(df1, df2)
Output:
from to
id col
112 score 1.11 1.21
113 ...
How to put more than 1000 values into an Oracle IN clause [duplicate]
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Put the values in a temporary table and then do a select where id in (select id from temptable)
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Find all records which have a count of an association greater than zero
...s a matter of preference. The count can be done with any field in the join table that is guaranteed to have a value in every row. Most meaningful candidates are projects.id, project_id, and vacancies.id. I chose to count project_id because it is the field on which the join is made; the spine of the ...
How can I find out what FOREIGN KEY constraint references a table in SQL Server?
I am trying to drop a table but getting the following message:
15 Answers
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Select columns from result set of stored procedure
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Can you split up the query? Insert the stored proc results into a table variable or a temp table. Then, select the 2 columns from the table variable.
Declare @tablevar table(col1 col1Type,..
insert into @tablevar(col1,..) exec MyStoredProc 'param1', 'param2'
SELECT col1, col2 FROM @tablev...
Entity Framework Join 3 Tables
I'm trying to join three tables but I can't understand the method...
2 Answers
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