In this case, we are going to see how we can use EXISTS with SELECT statement with the help of example. In this example we will try to get the details of both employee and vehicle from the employee table and vehicle table for all those employees who are not present in both vehicle and...
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...
An introduction to the create table, alter table, and drop table commands in Oracle Database. Use these to create, change, and remove database tables.
If you have a DNS then the idea is to configure three IP address in round robin system on the DNS server. If Oracle client wants to connect by using the scan DNS name he will get a list of the three IPs in a random order , He will try them one by one until he succeeded. This ...
Adapt to changes in topology, such as addingor removing a node Distribute runtime work requests to all active Oracle RAC instances, including those rejoining a cluster Runtime Connection Load Balancing To provide better throughput and more efficient use of resources, the Oracle Database provides a...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
I tried to use NOT EXISTS but recently found out that it is supported since 4.1. Now I'm trying to avoid it but I can't figure out how to do this. The Problem is that I have a table with (among outhers) a column SessionId and action. Action may be opened and closed. Now I ...
Querying Data at a Point in Time (Flashback Query)Although some Oracle tools and applications simplify or mask the use of SQL, all database operations are performed using SQL, to take advantage of the security and data integrity features built into Oracle.Overview...
error message if you try to create that record group. To perform this check, follow this general process: Use the appropriate FIND_ Built-in to obtain the object ID. Use ID_NULL to check whether an object with that ID already exists. If the object does not exist, proceed to create it...
We will use the Oracle Solaris support repository as the source repository. To do this we’re using our My Oracle Support certificates that give us access to this repository. For more details refer to the documentation. Also, we will turn on verbose mode using the -v option. Co...