When you use SQL Developer, you can connect to any Oracle Database version 9.2.0.1 or later. To connect to earlier versions, you need to use another tool such as the SQL*Plus tool described in the previous figure. How to create a database connection Before you can work with a da...
How to use SQL parameters with dotConnect for Oracle dotConnect for Oracle enhances SQL handling capabilities with usage of parameters in SQL queries. You can make execution of a query or stored procedure very flexible using several simple techniques. This article describes some basics you must be ...
HOW TO USE ORACLE RESTART IN ORACLE 11GR2 Oracle Restart是数据库组件监控方法向单实例数据库中的延展,之前srvctl命令可以用来管理RAC数据库中的各个组件,安装了Oracle Restart之后,对于单实例数据库组件(包括数据库实例,监听,ASM实例,ASM磁盘组,自建Service等)也可以使用srvctl命令来管理,同时Oracle会在这些组件发生...
Updated: Nov 2009 for SQL Developer 2.1 1. Introduction Oracle SQL Developer provides a SQL Worksheet that you can use to update data, by writing simple or complex SQL statements. In this How-To, we look at the most basic of these, inserting a record, updating single and multiple records...
SQL>INSERTINTO EMP VALUES (7521, 'WARD', 'SALESMAN', 7698, TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30); 1 row created. SQL>INSERTINTO EMP VALUES (7566, 'JONES', 'MANAGER', 7839, TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20); ...
Depending on your Oracle installation, you may have access to one of many different versions or “modes” in which to run the SQL*Plus application. SQL*Plus Command-line If you wish to use SQL*Plus Command-line, you’ll simply issue the sqlplus command from your shell: $ sqlplus This ...
Oracle Database has many data types to choose from. Common data types are:Number - stores numeric data: prices, weights, distances, etc. Date - holds date and time information Varchar2 - use for general purpose text; names, descriptions, etc....
Updated: Nov 2009 for SQL Developer 2.1 1. Introduction Oracle SQL Developer provides a SQL Worksheet that you can use to update data, by writing simple or complex SQL statements. In this How-To, we look at the most basic of these, inserting a record, updating single and multiple records...
Use the ANALYZE command to collect statistics that can be used by Oracle to implement a cost-based approach to SQL statement optimization. You can supply additional "hints" to the optimizer as needed. Call the DBMS_APPLICATION_INFO.SET_ACTION procedure before beginning a transaction to register ...
We are going to use the dummy tables “employees” and “department” and some random data for demonstration. CREATETABLEemployees (empnoINT, ename TEXT, job TEXT, mgrINT, salINT, commINT, deptnoINT);INSERTINTOemployeesVALUES(7788,'SCOTT','ANALYST',NULL,3000,NULL,20);INSERTINTOemployeesVALU...