Keep it Simple and Smart
Many time we faced the performance issue because of Locks on rows and it cause the delay to finishing the other transactions. So with the help of following steps you will able to find the locking objects and can release the object locks in Oracle Database. Let us create the
» Read moreCreating a tablespace and user is a very common task after creating an oracle database. Before going further must read the post Schema vs. User In this post we will see how to create tablespace and user with example Tablespace Each tablespace in an Oracle database consists of one or
» Read moreInstallation Steps: Extract the OracleClientODBC-32Bit or OracleClientODBC-64Bit zipped folder according to the Machine (32bits or 64bits). Now set 4 environment variables at client machine as System Variable. My Computer Properties >> Advanced >> Environment Variables PATH: Set the path. Put ‘;’ at the end of existing path and give the
» Read moreIn this post we will see how we can transfer the data from CSV to oracle database using SQL Loader. SQL Loader is a bulk loader utility used for moving data from external files into the Oracle database. One can use SQL Loader utility to transfer the data for high
» Read moreHere is a simple SQL script with the help we can find the Table Row count for all tables. Yes we can find the row count using select count(*) for each table. This will be useful if you large number of tables are there in your database. Example Script: —
» Read moreError: ORA-01653: unable to extend table in tablespace Cause: Failed to allocate an extent of the required number of blocks for a table segment in the tablespace indicated. Note: Change the table space name for that you need the information in the below Scripts (Script: 1 & 2) Solution: Script:
» Read moreThis is very quick way to generate the Insert Statement for all of the data in your table. Let us take an example; we have a table as shown below… Right click on the Result Grid and go to Option à Export Dataset Select the Export Format as “Insert Statement”
» Read moreWith UTL_INADDR The UTL_INADDR package provides a PL/SQL procedure to support internet addressing. It provides an API to retrieve host names and IP addresses of local and remote hosts. Example select UTL_INADDR.GET_HOST_NAME Host_Name, UTL_INADDR.GET_HOST_ADDRESS IP_Address from dual ; With SYS_CONTEXT SYS_CONTEXT returns the value of parameter associated with the context
» Read moreError: ORA-01007: variable not in select list Cause: A reference was made to a variable not listed in the SELECT clause. In OCI, this can occur if the number passed for the position parameter is less than one or greater than the number of variables in the SELECT clause in
» Read moreDECODE(value, search_value, result, default_value) compares value with search_value. If the values are equal, DECODE() returns result, otherwise default_value is returned. DECODE() allows you to perform if-then-else logic in SQL without having to use PL/SQL. Example 1 Example 2 Refer for more detail http://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm
» Read moreVarinder Sandhu is using WP-Gravatar