Can we use if else in Oracle SQL query?

In Oracle, the IF-THEN-ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE.

How do you fix status failure failed IO error the network adapter could not establish the connection?

Restart it with the “lsnrctl start” command or on a Windows OS by starting the listener service. Add the hostname and IP address in the hosts file located under C:\Windows\System32\drivers\etc folder. This could be a problem with the Oracle SYS user password. Check with the Oracle DBA for the correct credentials.

Why is sqlplus not working?

Answer: This says that the OS cannot find the program named sqlplus in its PATH. First, the Oracle Shell Scripting book has full details on locating a missing executable. Start by a cd to the $ORACLE_HOME/bin and see if it works . . . If this works, you need to set your PATH to include your $ORACLE_HOME/bin directory.

How do I use if else in SQL?

In MS SQL, IF…ELSE is a type of Conditional statement….IF… Else statement in SQL Server

1. If the condition evaluates to True, then T-SQL statements followed by IF condition in SQL server will be executed.
2. If the condition evaluates to False, then T-SQL statements followed by ELSE keyword will be executed.

What does insufficient privilege mean?

ORA-01031: Insufficient Privileges means that the current user did not use the right privilege to process the SQL statement. Since this error can be seen almost in every kind of SQL statement, sometimes you would never know what privilege you lack.

How do I get Sysdba privileges?

Steps

1. Log in to SQL *Plus: sqlplus ‘/ as sysdba’
2. Create a new user with an administrator password: create user user_name identified by admin_password ;
3. Assign the sysdba privilege to the new Oracle user: grant sysdba to user_name ;

How do I know if Sqlplus is installed?

In Windows. Check the Inst_loc entry value which will be the software installed location. You can use command prompt or you can navigate/explore to the oracle home location and then cd to bin directory to lauch sqlplus which will give you the client version information.

Where is Sqlplus installed?

The SQL*Plus executable is usually installed in $ORACLE_HOME/bin, which is usually included in your operating system PATH environment variable. You may need to change directory to the $ORACLE_HOME/bin directory to start SQL*Plus. In the following examples, you are prompted to enter the database account password.