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Filtering for empty or NULL names in a queryset
...ll Name objects that have a not-null, not-empty alias field. The generated SQL would look something like:
SELECT * FROM Name WHERE alias IS NOT NULL AND alias != ""
You can also pass multiple arguments to a single call to exclude, which would ensure that only objects that meet every condition get...
How to determine the number of days in a month in SQL Server?
I need to determine the number of days in a month for a given date in SQL Server.
28 Answers
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New line in Sql Query
How you get new line or line feed in Sql Query ?
4 Answers
4
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How to update two tables in one statement in SQL Server 2005?
I want to update two tables in one go. How do I do that in SQL Server 2005?
9 Answers
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Rails 3 execute custom sql query without a model
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github.com/igorkasyanchuk/execute_sql less code is needed plus you can do it in directly rails console
– Igor Kasyanchuk
Mar 13 '19 at 21:58
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SQL Server Linked Server Example Query
... not possible then you need to look at the various things that would cause SQL server to have to load the entire table locally. For example using GETDATE() or even certain joins. Others performance killers include not giving appropriate rights.
See http://thomaslarock.com/2013/05/top-3-performanc...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
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JodaTime
To convert JodaTime's org.joda.time.LocalDate to java.sql.Timestamp, just do
Timestamp timestamp = new Timestamp(localDate.toDateTimeAtStartOfDay().getMillis());
To convert JodaTime's org.joda.time.LocalDateTime to java.sql.Timestamp, just do
Timestamp timestamp = new Timestamp...
Case insensitive searching in Oracle
...ring comparisons by setting the NLS_COMP and NLS_SORT session parameters:
SQL> SET HEADING OFF
SQL> SELECT *
2 FROM NLS_SESSION_PARAMETERS
3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT');
NLS_SORT
BINARY
NLS_COMP
BINARY
SQL>
SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
I'm trying to manually execute SQL commands so I can access procedures in NuoDB.
4 Answers
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How to export data as CSV format from SQL Server using sqlcmd?
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You can run something like this:
sqlcmd -S MyServer -d myDB -E -Q "select col1, col2, col3 from SomeTable"
-o "MyData.csv" -h-1 -s"," -w 700
-h-1 removes column name headers from the result
-s"," sets the column seperator to ,
-w 700 sets the row...