WebBEGIN IF NOT EXISTS (SELECT * FROM EmailsRecebidos WHERE De = @_DE AND Assunto = @_ASSUNTO AND Data = @_DATA) BEGIN INSERT INTO EmailsRecebidos (De, Assunto, Data) VALUES (@_DE, @_ASSUNTO, @_DATA) END END Updated : (thanks to @Marc Durdin for pointing) Web16 feb. 2024 · SQL concatenation is the process of combining two or more character strings, columns, or expressions into a single string. For example, the concatenation …
SQL WHILE loop with simple examples - SQL Shack
Web28 feb. 2024 · The Transact-SQL statement ( sql_statement) following the Boolean_expression is executed if the Boolean_expression evaluates to TRUE. The … WebIIF is a shorthand method for performing an IF...ELSE / CASE statement and returning one of two values, depending on the evaluation of the result. Restructuring our above … euphorbia roundway titan
How to Concatenate Two Columns in SQL – A Detailed Guide
Web8 sep. 2013 · IF (@action = 'searchActivityLog') IF (@type = 'actor') BEGIN SELECT actor, action, CONVERT (VARCHAR (20), timestamp, 100) AS timestamp, [key], location … Web24 jul. 2009 · 1 in that case is just a constant. All he cares about is that a row is returned, not the value of any columns. Using a constant is usually faster than using * or a specific … WebThe condition in SQL IF Statement should return a Boolean value to evaluate We can specify a Select statement as well in a Boolean expression, but it should enclose in … euphorbia siam hybrids setthee-maung-chan