[Solved] MySQL use select for LEFT JOIN ON

[ad_1] Theoretically you can do this. Writing subquery in join statement will have no effect other than filtering the cartesian product of the two tables just like the where condition. But writing query this way makes no sense as we don’t know the context in which you are using it. The above query can be … Read more

[Solved] SQL Timestamp format in PHP [duplicate]

[ad_1] Try this should help: $datedb = “2018-03-01 11:54:33”; $date = date(‘d-m-Y’, strtotime($datedb)); echo $date; // will print 01-03-2018 And read about date() function of php: http://php.net/manual/en/function.date.php; https://www.w3schools.com/php/func_date_date.asp 0 [ad_2] solved SQL Timestamp format in PHP [duplicate]

[Solved] Convert SQL Query To LINQ?

[ad_1] I didn’t test it, but it should look something like that : var query = (from s in Suppliers select new { SupplierId = s.SupplierId, CompanyName = s.CompanyName, ContactPerson = s.ContactPerson, Address = s.Address, Email = s.Email, InActive = s.InActive, BranchId = s.BranchId, CreateDate = s.CreateDate, CreatedBy = s.CreatedBy, UpdateDate = s.UpdateDate, UpdateBy = … Read more

[Solved] Syntax error in INSERT INTO statement (vb.net)

[ad_1] Use parametrized queries. For example the query would look like this: INSERT INTO anggota (no, nis, nama, kelas, jenis_kelamin, tempat_lahir, tanggal_lahir) VALUES (@no, @nis, @nama, @kelas, @jenis_kelamin, @tempat_lahir, @tanggal_lahir) Then adjust your code: cmd.Parameters.AddWithValue(“@No”, Tno.Text) cmd.Parameters.AddWithValue(“@nis”, Tnis.Text) cmd.Parameters.AddWithValue(“@Nama”, Tnama.Text) cmd.Parameters.AddWithValue(“@Kelas”, Tkelas.Text) cmd.Parameters.AddWithValue(“@Jenis_kelamin”, CBjk.Text) cmd.Parameters.AddWithValue(“@Tempat_lahir”, Tt4lahir.Text) cmd.Parameters.AddWithValue(“@Tanggal_lahir”, ttgllahir.Text) cmd = New OleDbCommand(sqltambah, conn) cmd.ExecuteNonQuery() 2 … Read more

[Solved] sqlalchemy create tables [closed]

[ad_1] Short answer is db.create_all(). Here is a piece of this answer app = Flask(__name__) app.config[‘SQLALCHEMY_DATABASE_URI’] = ‘postgresql+psycopg2://login:pass@localhost/flask_app’ db = SQLAlchemy(app) db.create_all() db.session.commit() [ad_2] solved sqlalchemy create tables [closed]

[Solved] Error inserting date and time in SQL Server 2005 datetime c#? [closed]

[ad_1] You should ALWAYS use parametrized queries – this prevents SQL injection attacks, is better for performance, and avoids unnecessary conversions of data to strings just to insert it into the database. Try somethnig like this: // define your INSERT query as string *WITH PARAMETERS* string insertStmt = “INSERT into survey_Request1(sur_no, sur_custname, sur_address, sur_emp, sur_date, … Read more

[Solved] How do I join on multiple columns in SQL Server and include columns in one table that aren’t present in other tables?

[ad_1] declare @t1 table ( col_a varchar(5) null ,col_b varchar(5) null ,col_c varchar(5) null ,col_d varchar(5) null ) declare @t2 table ( col_a varchar(5) null ,col_b varchar(5) null ,col_e varchar(5) null ) insert into @t1 values (‘Cat 1′,’Bla a’,’C-1′,’D-1′) ,(‘Cat 1′,’Bla a’,’C-2′,’D-2′) ,(‘Cat 1′,’Bla a’,’C-3′,’D-3′) ,(‘Cat 2′,’Bla b’,’C-4′,’D-4′) ,(‘Cat 2′,’Bla b’,’C-5′,’D-5′) insert into @t2 values … Read more

[Solved] Find number of rows of each column name [duplicate]

[ad_1] Assuming that there aren’t any partitioned table: USE [SpecificDatabank] SELECT sys.columns.name AS ColumnName, sys.tables.name AS TableName, sys.partitions.rows AS [Rows] FROM sys.columns JOIN sys.tables ON sys.columns.object_id = sys.tables.object_id JOIN sys.partitions ON sys.tables.object_id = sys.partitions.object_id and sys.partitions.index_id in (0,1) WHERE sys.columns.name LIKE ‘%ColumnName%’ 1 [ad_2] solved Find number of rows of each column name [duplicate]

[Solved] Joins and Subqueries

[ad_1] This is your query: SELECT FirstName, LastName, ( SELECT COUNT(O.Id) FROM [Order] O INNER JOIN C On O.CustomerId = C.Id ) AS OrderCount FROM Customer C; It is invalid, because in the sub query you are selecting from C. This is a bit complicated to explain. In a query, we deal with tables and … Read more

[Solved] Raise statement

[ad_1] No. The block as a whole will get rolled back on failure, but the raise statement on its own does not perform a rollback. For example, this block fails and is implicitly rolled back (exactly as if it was an SQL insert etc): begin insert into demo(id) values(1); dbms_output.put_line(sql%rowcount || ‘ row inserted’); raise … Read more