This is a modal window. No compatible source was found for this media. PL/SQL Program Units A PL/SQL unit is any one of the following − PL/SQL block Function Package Package body Procedure Trigger Type Type body Each of these units will be discussed in the following chapters. ...
This option helps you to put all your columns together on a single page. It scales the width of the columns to fit them on a single page. Case 4 – Fit All Rows on One Page It makes all the rows visible on one page. This option scales the height of the rows to fit them on a ...
Of course, once a database is built, it needs to be interacted with. To retrieve, delete, store, and modify the data from the table, Data Manipulation Language commands are used. The most common commands are SELECT, INSERT, UPDATE, and DELETE. While these are just four simple commands, ...
Object tuning will involve one or more of the following: The enterprise data model, DB2 object creation parameter settings, standards for executable code, and options for enforcement of business and data integrity rules. Here, the focus is on object definitions and data availability. This requires ...
SQL Basic Aptitude Questions and Answers- This section contains Aptitude Questions and Answers on Basic SQL features including SQL Commands, SQL Command structures, SQL terminology etc. List of SQL Basic Aptitude Questions 1)SQLstands for ___. Structured...
To make a hot backup, set the base in ARCHIVELOG mode. This will tell Oracle to not keep the copy of redo log files as an archivelogs. MSSQL In the MS SQL world, you can use the built-in T-SQL commands to backup and restore databases. There is no need to use tools like mysqlhot...
Menus contain groups of related commands. When a command is selected, the app performs a specific action (for example, select a file to open, exit the app, etc.). Menus make it simple and straightforward to locate an app’s commands. They can also make it easier for users to use apps...
Use <ServerOnly></ServerOnly> tags to enclose the commands to be executed only on the server.Example: CREATE TEMP TABLE TempTable(x varchar(25)); INSERT INTO TempTable VALUES (1); <ServerOnly>INSERT INTO TempTable Values(2);</ServerOnly>...
A collection of professional-grade application programs, including a word processor, spreadsheet, database manager, and more. (See also productivity suite)button (63)Used in toolbars to provide shortcuts for quick access to commonly used commands.cell (69)A box in a spreadsheet application that ...
数据库管理系统(DataBase Management System,DBMS):是位于用户与操作系统之间的一层数据管理软件。 数据库系统(DataBase System,DBS):是有数据库、数据库管理系统(及其应用开发工具)、应用程序和数据库管理员(DataBase Administrator DBA)组成的存储、管理、处理和维护数据的系统。 实体(entity):客观存在并可相互区别的...