Example : SELECT with DISTINCT on all columns of the first query To get the identical rows (on four columnsagent_code, ord_amount, cust_code,andord_num) once from theorderstable , the following SQL statement can be used : SQL Code: SELECT DISTINCT agent_code, ord_amount, cust_code, or...
I am wondering whether its possible to extract two seperate columns of data after a 'THEN' statement when using CASE For example Select country, CASE WHEN X>1 Then (code which allows 'A' in one column and 'B' in a second column)... END
Adding results of SQL query to an iEnumerable string adding scrollbar to dropdownlist Adding values inside the datatable to a Dictionary in VB.net Adjust printing to fit sizes (A4 and PVC card sizes) Adobe PDF Reader under 'COM' tab ,dont add anything to my toolbox Advantages of URL rewri...
MySQL optionally allows having multiple statements in one statement string, but it requires special handling. Multiple statements or multi queries must be executed withmysqli::multi_query(). The individual statements of the statement string are separated by semicolon. Then, all result sets returned ...
The following statement deletes the employee with id 3 from theemployeestable: DELETEFROMemployeesWHEREemployeeID =3;Code language:SQL (Structured Query Language)(sql) 2) Deleting all rows from a table To remove all rows in theemployeestable, you execute the following query: (not recommended and...
10. Which of the following can be used to fetch rows from multiple tables in a single SQL query?SELECT WHERE FROM Equi-joinsAnswer: D. Equijoins are also called simple joins or inner joins. Equijoin involve primary key and foreign key.11.What is true about the source table and the ...
CASE statement in SQL returns Null CASE statement in WHERE clause for IS NULL: I want to say IS or IS NOT Null for a column using CASE Case Statement in Where clause with parameters SQL Server CASE statement inclusion and exclusions case statement inside a where clause with 'IN' operator ...
On the Query page, typeQ_Deptfor the Query name, then clickNext. On the Data Source page, selectSQL Query, then clickNext. On the Data page, enter the followingSELECTstatement in theData Source definitionfield: SELECT TO_CHAR(HIREDATE, 'YY') YEAR, DEPTNO ...
public static void executeStatement(Connection con) { try (Statement stmt = con.createStatement();) { String SQL = "SELECT TOP 10 * FROM Person.Contact; SELECT TOP 20 * FROM Person.Contact"; boolean results = stmt.execute(SQL); int rsCount = 0; // Loop through the available result set...
I'm attempting to run two SELECT statements in one Query with arguments but I'm getting the error pq: cannot insert multiple commands into a prepared statement. A very contrived example of what I'm trying to do is this: stmt := ` SELECT ...