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...
"explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distinguish them" "No transaction is active." error when trying to send a transactional SQL statment over MSDTC "Restricted data type attribute v...
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.
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...
is used to run Oracle Reports (RDF/REP files) in Oracle Forms. It invokes one of the supported Oracle tools products and specifies the name of the module or module to be run. If the called product is unavailable at the time of the call, Form Builder returns a message to the end user...
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!
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...
The Federal Information Processing Standard for SQL (FIPS 127-2) requires a way to identify SQL statements that use vendor-supplied extensions. Oracle Database provides a FIPS flagger to help you write portable applications. When FIPS flagging is active, your SQL statements are checked to see whe...
3. Create a Post-Logon Trigger at Form Level in Main Form of Your Application. DECLARE v_seq NUMBER (10); v_user VARCHAR2 (20) := GET_APPLICATION_PROPERTY (username); BEGIN SELECT login_seq.NEXTVAL INTO v_seq FROM DUAL; /* this global variable is created to use on pre-logout tri...