Syntax (IF-THEN-ELSE) The syntax for IF-THEN-ELSE in Oracle/PLSQL is: IF condition THEN {...statements to execute when condition is TRUE...} ELSE {...statements to execute when condition is FALSE...} END IF; You
If you need to use this logic in many tables you could place it in a PL/SQL function. Then call this function in your SQL: FromOracle Database 23ai, theautomatic SQL transpilercan extract SQL expressions in PL/SQL. These are then part of the SQL statement, so at runtime it's as-...
使用 SQL*Plus 命令 通过SQL Worksheet 可使用一组 SQL*Plus 命令。SQL*Plus 命令必须先由 SQL Worksheet 解释,然后再传递给数据库。一些命令不受支持,因此将被忽略,并且不会发送到 Oracle Database。有关不受支持的 SQL*Plus 命令的列表,请参阅 OTN 上的 SQL Developer。 1。 要使用“Describe”命令描述模式...
Oracle Microsoft SQL DECLARE DECLARE VARIABLES ... BEGIN -- THIS IS REQUIRED SYNTAX PROGRAM_STATEMENTS ... IF ...THEN STATEMENT1; STATEMENT2; STATEMENTN; END IF; WHILE ... LOOP STATEMENT1; STATEMENT2; STATEMENTN; END LOOP; END; -- THIS IS REQUIRED SYNTAX DECLARE DECLARE VARIABLES ... ...
通过CONNECT BY实现递归SQL是Oracle特有的方言之一,目前openGauss无法兼容CONNECT BY关键字,需要通过使用递归CTE查询替代。 postgres=# SELECT *, LEVEL FROM te1 CONNECT BY PRIOR id = pid; ERROR: syntax error at or near "BY" LINE 3: CONNECT BY PRIOR id = pid; postgres=# WITH RECURSIVE t(n) AS...
checkMe.sql: 总检查脚本,检查目标数据库中的兼容性对象是否需要升级 flush_privileges.sql: 权限刷新脚本,将兼容性对象的使用权限授予全部用户 uninstall.sql: 卸载脚本,用于移除 compat-tools 创建的一系列兼容性相关对象 Oracle_Views.sql: Oracle数据库兼容性数据字典及视图 ...
カーソル・キャッシュでSQL文を処理する方法 RUNOUTLINE NO データベースにアウトラインを作成します。 SELECT_ERROR={YES|NO}* YES SELECTエラーの処理の方法 SQLCHECK={FULL|SYNTAX|LIMITED|NONE}* SYNTAX 構文および意味のチェックの程度 STMT_CACHE 0 文キャッシュのサイズ SYS_...
# #Each line describes a limit for a user in the form: # # # #Where: # can be: # - a user name # - a group name, with @group syntax # - the wildcard *, for default entry # - the wildcard %, can be also used with %group syntax, # for maxlogin limit # # can have ...
UTL_FILEandDBMS_WORKLOAD_REPOSITORYpackages.--Call Syntax:Create the directorywiththe appropriate path.--Adjust the start and end snapshotsasrequired.--@generate_multiple_awr_reports.sql--Last Modified:02/08/2007---CREATEORREPLACEDIRECTORYawr_reports_dirAS'/tmp/';DECLARE--Adjust before use.l_sna...
If any non-standard constructs are found, then the Oracle Server flags them as errors and displays the violating syntax.The FIPS flagging feature supports flagging through interactive SQL statements submitted using Enterprise Manager or SQL*Plus. The Oracle Precompilers and SQL*Module also support ...