If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

12347 998854 4 12347 998856 8</pre><BR><BR>I need a SQL statement that will use po_ln_no to get the PO number (matches up with po_no in po table) and give the ship_via_cod value from the po table.

SQL SELECT statement The SELECT statement tells the query optimizer what data to return, what tables to look in, what relations to follow, and what order to impose on the returned data.

Hi I need some help with a select statement in MS SQL. I have a table that need to check if there duplicate items there. The problem is that each items is based off of 4 fields in the table. Here ...

The SAS System SQL procedure also enables you to retrieve and update CA-DATACOM/DB data. You can retrieve and browse the data by specifying a view descriptor in a PROC SQL SELECT statement.

The CONNECT statement establishes a connection with the DBMS. The EXECUTE statement sends dynamic, non-query DBMS-specific SQL statements to the DBMS. The CONNECTION TO component in the FROM clause of ...

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

SQL Server 2022 takes that ability a few steps further. Last year, I wrote a column on the introduction of query store hints into Azure SQL Database.

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...