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mongo group query how to keep fields
...e key(s) in arguments. How to keep the first document in each group like mysql query group.
for example:
11 Answers
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PHP date() format when inserting into datetime in MySQL
...ss to the date() function in PHP if I want to insert the result into a MySQL datetime type column?
13 Answers
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Lightweight Java Object cache API [closed]
...fooDAO.getFooByKey(key);
cache.put(key, foo);
} catch (SQLException sqle) {
logger.error("[getFoo] SQL Exception when accessing Foo", sqle);
}
}
rest left as exercise for reader :)
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Entity Framework Timeouts
...ng default command timeout within the EF connection string.
http://bugs.mysql.com/bug.php?id=56806
Remove the value from the connection string and set it on the data context object itself. This will work if you remove the conflicting value from the connection string.
Entity Framework Core 1.0:
t...
How to send multiple data fields via Ajax? [closed]
... Seems my syntax was correct, I believe i've made a very dumb SQL mistake.
– deadconversations
May 22 '11 at 2:40
2
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Reset auto increment counter in postgres
...453
You can see the sequences in your database using the \ds command in psql. If you do \d product and look at the default constraint for your column, the nextval(...) call will specify the sequence name too.
share
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Is the primary key automatically indexed in MySQL?
... people when talking about database architecture/performance always advise SQL newcomers to "make sure their database is properly indexed"?
– tim peterson
Mar 7 '13 at 10:23
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psql - save results of command to a file
I'm using psql's \dt to list all tables in a database and I need to save the results.
10 Answers
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How to convert number to words in java
...er way to use a built-in function of your DBMS (if available).
For Oracle
SQL> select to_char(to_date(873,'J'), 'JSP') as converted_form from dual;
CONVERTED_FORM
---------------------------
EIGHT HUNDRED SEVENTY-THREE
SQL>
'JSP' means :
J : the Julian format.
SP : spells the word for the n...
How to get primary key column in Oracle?
...
Save the following script as something like findPK.sql.
set verify off
accept TABLE_NAME char prompt 'Table name>'
SELECT cols.column_name
FROM all_constraints cons NATURAL JOIN all_cons_columns cols
WHERE cons.constraint_type = 'P' AND table_name = UPPER('&TABLE_NAM...