So, we can easily find all the constraints on the table in Oracle using data dictionary views. We can then take whatever action like modify, disable, or drop, we want to take on these constraints. Constraints are enforcing data integrity rules in the Oracle database and we must be careful...
You can check index on atablein Oracle usingDBA_INDEXESview and using dba_segments you can check size of index in Oracle. To find index on a table and its size you can also use user_indexes and user_segment views. Important view used in the Query Useful views to get index details: As...
1. How to check the consistency the backup , why i am can not see my table ? 2. How to set NBU script when in one box solaris have 3 instance oracle ? for example each instance different oracle home and password and user the oracle owner Many thanks if anyone can share knowledge abo...
The insert statement adds a new row or rows in a table in theOracle database. We generally use it after we have created a table in the database. One important point to remember is that while inserting records into a table, we must provide a value for every NOT NULL value. Let us lo...
How do I check if EmpID EE# exists in SupervisorID column and categorize it based on Manager or Individual Contributor in OBIEE. Here's the table for reference. Currently, consider there are only 2 columns EmpID EE# and SupervisorID. I need a formula t...
SELECT * FROM USER_TAB_PARTITIONS WHERE TABLE_NAME = 'SALE_PRODUCT'; Let execute the query in and check the result. As we can see in the screenshot above the query displays the details. Example #2 – Using Partition by Hash to Create a Table ...
create table toys_clone as select * from toys;Easy, right?Yes. But, as always, there's more to it than this. You'll want to add some constraints to your table. And there are many types of table available in Oracle Database, including:Table...
Table Partitioning Now a days enterprises run databases of hundred of Gigabytes in size. These databases are known as Very Large Databases (VLDB). From Oracle Ver. 8.0 Oracle has provided the feature of table partitioning i.e. you can partition a table according to some criteria . For example...
Next, we issue our table definition to create the new table. And that’s it! Free Oracle SQL Tuning Guide Checkout my FREE guide,7 SQL Tuning Secrets You Can Use Immediately, Even If You’ve Never Tuned a Query In Your Life!
Below are the steps to drop and recreatetemptablespace in Oracle. You can also assign default temporary tablespace to the newly created tablespace. Steps to Recreate TEMP Tablespace STEP 1: Check the existing temp tablespace name, size and the file name. ...