Go to the$ORACLE_HOME/admin/[db_name]/pfiledirectory and delete theinit[db_name].orafile; Go to the$ORACLE_HOME/admin/[db_name]/adumpdirectory and delete all files in that directory; Edit the file/etc/oratabby removing the line that starts with your database name. ...
In this post, you’ll learn how to delete a row in SQL and how to delete all rows in a table. Table of Contents Sample Data Delete a Row in SQL Delete Multiple Rows in SQL Delete All Rows Sample Data Let’s say we have a table called “product” that looks like this: id ...
But first, let’s delve into the different types of indexes available in Oracle Database.How to Choose the Index TypeOracle Database offers many different types of index to improve your SQL. One of the key decisions you need to make is whether to go with a bitmap or B-tree index....
You should not delete sys/system user otherwise it will corrupt your database. You must have drop user privilege to remove user from the database. Its better you can connect with sysdba and drop a user. Drop user in Oracle including contents Dropping user in Oracle remove user and it’s ...
Create a MySQL Database Create Tables in MySQL Database Now you need to select the database to work on: use tecmint; Here we will create a table called “minttec” with three fields: CREATE TABLE minttec ( id INT(3), first_name VARCHAR(15), ...
You can't alter the criteria for a constraint in Oracle Database. To change it you must drop and recreate the constraint. Learn how to do this process online for check constraints, not null, unique constraints, primary keys, and foreign keys.
oracle@b2bdev:~$ dbca -silent -createDatabase -responseFile /export/home/oracle/db_create.rsp [WARNING] [DBT-06208] The 'SYS' password entered does not conform to the Oracle recommended standards. CAUSE: a. Oracle recommends that the password entered should be at least 8 characters in lengt...
oakcli delete database - fails to delete the database which cannot startup and it has to be removed manually.oakcli create database - fails to create a database with the same name and reports that the database name already exists, even though all the physical files were deleted....
This document provides detailed information about using the Oracle Hardware Installation Assistant application to create RAID volumes on internal drives, install supported operating systems, update system firmware, and recover a non-functional service pr
This article reviews how to use the basic data manipulation language (DML) types INSERT, UPDATE, UPDATE JOINS, DELETE, and UPSERT to modify data in tables.