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SQL 2022-03-01 11:15:16
open transactions sqlskills
SELECT [s_tst].[session_id], [s_es].[login_name] AS [Login Name], DB_NAME (s_tdt.database_id) AS [Database], [s_tdt].[database_transaction_begin_time] AS [Begi... Add solution -
Other 2022-03-01 09:41:09
DateTimeField change format
class UserSerializer(serializers.ModelSerializer): date_joined = serializers.DateTimeField(format="<Your format>") class Meta: model = User fields = ('username', 'email', 'first_name', 'last_name', 'is_superuser', 'is_staff', '... Add solution -
Javascript 2022-02-28 14:40:05
node list files in directory
//requiring path and fs modules const path = require('path'); const fs = require('fs'); //joining path of directory const directoryPath = path.join(__dirname, 'Documents'); //passsing directoryPath and callback function fs.readdir(directoryPath, functio... Add solution -
SQL 2022-02-27 04:15:07
what is self join in sql
/* SELF JOIN - Joining a table with itself is called as self join. It is classified under any type of join. INNER JOIN OUTER JOIN CROSS JOIN. */ SELECT Column_List FROM Left_Table_Name AS Alias_Name JOIN_TYPE Right_Table_Name AS Alias_Name ON Alias_... Add solution -
SQL 2022-02-26 21:15:24
oracle sql select from multiple tables
-- With JOIN -- No row if id does not exist in t2 SELECT t1.name, t2.salary FROM t1 JOIN t2 on t1.id = t2.id; -- A row with a NULL salary is returned if id does not exist in t2 SELECT t1.name, t2.salary FROM t1 LEFT OUTER JOIN t2 on t1.id = t2.id; -- Wit... Add solution
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