DECLARE config DAT_REPORT_CONFIG%ROWTYPE;BEGIN SELECT * INTO config FROM dat_report_config WHERE process = 'EC' AND subprocess = 'IBSP'; /* * Do what you gotta do. Now you can use your variables like this: * config.week_offset * config.week_range */END; 有关ROWTYPE的更多信息,请...
DBMS_REDEFINITION.CONS_USE_PK 用于指示应该使用主键或伪主键进行重新定义。DBMS_REDEFINITION.CONS_USE_ROWID 用于指示应使用 rowid 进行重新定义。如果省略此参数,则采用默认的重定义方法 ( CONS_USE_PK)。 orderby_cols 可选的,用于对参数中的行进行排序的列 part_name 重新定义分区表的一个或多个分区时参数中...
SELECT、INSERT、DELETE、UPDATE、およびDECLARE CURSOR文のカーソル本体用のSQL99構文をサポートするかどうかを指定します。 構文 COMMON_PARSER={YES | NO} デフォルト値 NO 使用上の注意 コマンドラインで入力できます。 COMP_CHARSET 用途 使用するコンパイラでマルチバイト・キャラクタ・...
alter session set use_stored_outlines = OUTLINES1; select count(*) from emp; alter session set use_stored_oulines= OUTLINES2; select count(*) from emp; 第二次执行"select from emp" 将创建另一个子游标,因为使用的OUTLINES与第一次运行的OUTLINES不同。这个子游标将被标记为 OUTLINE_MISMATCH。
CREATE OR REPLACE FUNCTION GET_SUM_MAJOR (INMAJOR VARCHAR2) RETURN NUMBER AS SUM_PAID NUMBER; BEGIN SELECT SUM(TUITION_PAID) INTO SUM_PAID FROM STUDENT_ADMIN.STUDENT WHERE MAJOR = INMAJOR; RETURN(SUM_PAID); END GET_SUM_MAJOR; No CREATE FUNCTION syntax is required; use CREATE PROCEDURE ...
v_sql := 'SELECT id,qan_no,sample_date FROM "tblno" WHERE id >:sidand sample_date <:sdate'; v_cursor := dbms_sql.open_cursor;--打开游标; dbms_sql.parse(v_cursor, v_sql, dbms_sql.native);--解析动态SQL语句; dbms_sql.bind_variable(v_cursor, ':sid', s_id);--绑定输入参数...
OPEN_CURSORS specifies the maximum number of open cursors(handles to private SQL areas) a session can have at once. You can usethis parameter to prevent a sessionfromopening an excessive number ofcursors. Itis important to set the value of OPEN_CURSORS high enough to prevent yourapplicationfrom...
ResultSet rset = stmt.executeQuery ("select ROWID from EMP"); ... rset.close (); // or stmt.close (); rset.getString (1); Pourquoi dois-je fermer ResultSets ? La spécification JDBC initiale exigeait que les connexions, les instructions et les ResultSets soient fermés lorsqu'ils ne...
Execute a SQL SELECT query with the table name as a dynamic variable using bind variables. This query returns the number of employees under a manager with a specific ID. DO $$DECLARE Tabname varchar(30) := 'employees'; num integer := 1; cnt integer; BEGIN EXECUTE format('S...
For more information, see the section in Singleton registration in Section 2.5, "How to Define and Use Trigger Hooks." 2.2.7 Understanding Technology Scopes When the user selects a technology scope, the extension that introduced that technology scope along with all the other extensions it depends...