Transact-SQL reference for using DECLARE to define local variables for use in a batch or procedure. Variables are declared in the body of a batch or procedure with the DECLARE statement and are ...

コードの説明 DECLARE：変数を宣言するセクションです。ここでは、v_staffno という 職員情報.staffno%TYPE 型の変数を宣言しています。 職員情報.staffno%TYPE は、職員情報 テーブルの staffno 列と同じデータ型を持つ変数を宣言するための記法です。 BEGIN：PL/SQLブロックの開始を示します。 SELECT staffno INTO ...

Declares a cursor. Cursors are the primary means for manipulating the results of queries. This data lake Relational Engine SQL statement can be used when connected as follows: Connected directly to ...

When the syntax of embedded SQL statements is fully known at precompile time, the statements are referred to as static SQL. This is in contrast to dynamic SQL statements whose syntax is not known ...

With static SQL, host variables used in embedded SQL statements are known at application compile time. With dynamic SQL, the embedded SQL statements and consequently the host variables are not known ...