The comparison userid = (null OR ”) is invalid. First, the very syntax is wrong: field = (value1 OR value2) should be put either as (field = value1) OR (field = value2) or as field IN (value1, value2) Second, null is a special value, which stands for unknown, doesn’t matter, unapplicable etc. and that’s why … Read more
Here is a generic method regardless of the level of the hierarchy. SQL — DDL and sample data population, start DECLARE @tbl table ( idGeo INT IDENTITY PRIMARY KEY, GEO VARCHAR(64), PARENTID INT ); insert into @tbl (GEO, PARENTID) values ( ‘EMEA’, NULL), ( ‘France’, 1), ( ‘mIDCAPSfRANCE’, 2), ( ‘Germany’, 1), ( ‘France exl … Read more
You can create a Primary Key Constraint by creating a composite index with the two time values together. For example: CONSTRAINT PK_tTimeFrom_tTimeTo PRIMARY KEY NONCLUSTERED ([tTimeFrom], [tTimeTo]) This example is for MS SQL. 2 solved i want to write a SQL according to following instructions
I’m not sure you can do that the way you’re trying, Why don’t you load the image into a variable then use that variable in your insert statement: declare @image varbinary(max) set @image = (SELECT BulkColumn from Openrowset( Bulk ‘C:\Users\Yassine-Kira\Desktop\Templates\ProductImg\elite-book_tcm_133_1096796.png’, Single_Blob) as BikeImage) insert into dbo.Produit values (‘Pc portable’, ‘HP EliteBook série p’, ‘Un ordinateur…’, … Read more
In that case just compare with ID no need like clause. Like clause is required where we have to search word with some pattern OR matching word. Select * from products where name=”ID” For Updated Question: Try below query: You have to apply logic for other character you want to eliminate as like below I … Read more
After re-reading your question, I think this is what you are looking for: SELECT e.Department_ID , e.Employee_Name AS Col1 , e.Total_Hours FROM Employee e UNION ALL SELECT d.Department_ID , d.Department_Name AS Col1 , SUM(e.Total_Hours) FROM Employee e JOIN Department d ON e.Department_ID = d.Department_ID GROUP BY d.Department_ID , d.Department_Name ORDER BY Department_ID ASC , Total_Hours … Read more
SqlCommand has ExecuteReader, for executing the command and returning a dataset, ExecuteScalar for returning a single value of a primitive type (int, string, etc.), or executeNonQuery for returning nothing. You can also pass a command to a SqlDataAdapter, and use that to populate a DataTable object. Please google SqlCommand and you will find LOTS of … Read more
A left outer join assuming the first table is used first. A SQL syntax for the above would be: SELECT * FROM Table1 LEFT JOIN Table2 On Table1.ID1=Table2.ID2 solved Joining two tables without filtering the data on the basis of joining condition
So here we go. I will help you with such task. First get list of databases. Then get list of tables (parameter is Connection string, where you should add the name of the database you have choosen in your combobox. public List<string> GetDatabaseList() { List<string> list = new List<string>(); string conString = “Data Source=yourDataSource; Integrated … Read more
There are some issue with your insert statement The column ZID is INT and you are passing 12 as string like ’12’ you can remove ‘ but it won’t give an error. The column CID is Varchar(2) and you are trying to insert 3 character string ‘ASD’ it will give a data truncation error. ie … Read more
you did not open your connections. try it by adding this myconn.open(); before this line MySqlDataAdapter mydata = new MySqlDataAdapter(strSQL, myconn); 1 solved How to retrieve data from MySQL DB to GridView in ASP
You can achieve what you’re after like below: CREATE TABLE SampleTable ([col1] varchar(1), [col2] int, [col3] int, [date] varchar(16)) ; INSERT INTO SampleTable ([col1], [col2], [col3], [date]) VALUES (‘a’, 11, 0, ‘3/6/2015:0:00:00’), (‘b’, 5, 4, ‘3/6/2015:0:00:00’), (‘c’, 5, 5, ‘3/6/2015:0:00:00’), (‘d’, 3, 0, ‘3/6/2015:0:00:00’), (‘e’, 21, 21, ‘3/6/2015:0:00:00’) ; SELECT t2.SumCol2, sum(t1.col2 * t1.col3) / … Read more
You can combine CASE with LEAD(). Assuming you are ordering by stepthe query can look like: select t.*,m case when lead(letter) over(order by step) = ‘D’ then 1 else 0 end as is_next_row_letter_d from t solved How to determine next row value using select and case in SQL server?
Use: Count(case when a.photoappimage is null then 1 end) as via_u, Count(case when a.photoappimage is null then 1 end)/100. as via_u_pct, Count(case when a.photoappimage=1 then 1 end ) as via_p, Count(case when a.photoAppImage is null or a.photoAppImage=1 then 1 end) as via_u_or_p Update: combining all (and use a subquery to simplify pct calculation): select storeId, … Read more
Only one expression can be specified in the select list when the subquery is not introduced with EXISTS.when executing two merge queries solved Only one expression can be specified in the select list when the subquery is not introduced with EXISTS.when executing two merge queries