STATEMENT; END LOOP; Example:使用游标For循环打印输出员工信息: DECLARE CURSOR emp_cursor IS SELECT empno,ename,job FROM emp; BEGIN FOR emp_record IN emp_cursor LOOP DBMS_OUTPUT.PUT_LINE('员工号:'||emp_record.empno||'员工姓名'||emp_record.ename||'员工职位'||emp_record.job); END LOOP; ...
In this IF-THEN-ELSE statement example, we've created a function called IncomeLevel. It has one parameter calledname_inand it returns a varchar2. The function will return the income level based on the employee's name. NEXT: WHILE LOOP...
statement: alter system set db_unique_name = ''TESTDGPHY'' comment= ''' scope=spfile sql statement: alter system set log_archive_dest_1 = ''LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'' comment= ''' scope=spfile sql statement: alter system set log_ar...
You have encountered different types of conditional controls: the IF-THEN statement, the IF-THEN-ELSE statement, and the ELSIF statement. These types of conditional controls can be nested inside one another. For example, an IF statement can be nested inside an ELSIF, and vice versa. Consider ...
The following example illustrates the use of this feature: Connection conn = DriverManager.getConnection("jdbc:oracle:oci8:","scott","tiger"); Statement stmt = conn.createStatement(); // Ask for the column as a string: // Avoid a round trip to get the column type. // Convert from number...
Oracle的EXIT Statement是PL/SQL编程语言中用于终止循环语句的关键字。它有两种主要形式:无条件EXIT和条件EXIT WHEN。以下是对Oracle EXIT Statement的详细解释: 1. 无条件EXIT 语法:EXIT; 作用:无条件地终止当前循环。当程序执行到该语句时,无论循环条件如何,都会立即退出循环,并继续执行循环之后的下一个语句。
Effectively manage and model change iterations with a collaborative change management process. Eliminate rework and compress cycle times by configuring defined workflows with the flexibility to make changes if needed. Enforce product compliance Enforce product compliance and proactively track changes throughout...
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In this statement, First, you specify the name of the table from which you want to delete data. Second, you specify which row should be deleted by using the condition in theWHEREclause. If you omit theWHEREclause, the OracleDELETEstatement removes all rows from the table. ...
Conventions Navigate: This is a navigate statement. It tells you how to get to the start of the procedure and ends with a screen shot of the starting point and the statement "the Window Name window opens." This is a code sample It is used to display examples of code xxiv 1 ...