How do I find the hostname of a query in Oracle?
How do I find the hostname of a query in Oracle?
UTL_INADDR. The UTL_INADDR package was introduced in Oracle 8.1. 6 to provide a means of retrieving host names and IP addresses of remote hosts from PL/SQL. The GET_HOST_ADDRESS function returns the IP address of the specified host name.
What is Regexp_like in Oracle?
REGEXP_LIKE is similar to the LIKE condition, except REGEXP_LIKE performs regular expression matching instead of the simple pattern matching performed by LIKE . This condition evaluates strings using characters as defined by the input character set.
How do you check if a column has only alphabets in Oracle?
Answer: To test a string for alphabetic characters, you could use a combination of the LENGTH function, TRIM function, and TRANSLATE function built into Oracle. This function will return a null value if string1 is alphabetic. It will return a value “greater than 0” if string1 contains any non-alphabetic characters.
What is pattern matching in Oracle?
Pattern Matching (MATCH_RECOGNIZE) in Oracle Database 12c Release 1 (12.1) Introduced in Oracle 8i, Analytic Functions, also known as windowing functions, allow developers to perform tasks in SQL that were previously confined to procedural languages.
How do I find the hostname of a SQL query?
Use MachineName property to get the computer name on which the SQL Server instance is running. For a cluster, it returns the virtual server name. Select SERVERPROPERTY(‘MachineName’) as ‘MachineName’.
What is Regexp_substr?
REGEXP_SUBSTR extends the functionality of the SUBSTR function by letting you search a string for a regular expression pattern. It is also similar to REGEXP_INSTR , but instead of returning the position of the substring, it returns the substring itself.
What is the use of Regexp_replace in Oracle?
REGEXP_REPLACE extends the functionality of the REPLACE function by letting you search a string for a regular expression pattern. By default, the function returns source_char with every occurrence of the regular expression pattern replaced with replace_string .
How do I fetch alphanumeric values in SQL?
Using LIKE clause Val LIKE ‘%[A-Z]%’, it ensures that string should contain alphanumeric characters. Val LIKE ‘%[0-9]%’, it ensures that string should contain numeric characters. Lets see the output of T-SQL, you can see it returns only alphanumeric string only.
How do I get only the alphabet of a string in SQL?
SQL Query to Get Alphabets From String
- DECLARE @strEnrollmentNumber NVARCHAR(MAX) = ‘SOE14CE13017’
- DECLARE @intNumber INT.
- SET @intNumber = PATINDEX(‘%[^A-Za-z]%’, @strEnrollmentNumber)
- WHILE @intNumber > 0.
- BEGIN.
- SET @strEnrollmentNumber = STUFF(@strEnrollmentNumber, @intNumber, 1, ” )
What is Match_recognize?
The MATCH_RECOGNIZE clause is used to search for a set of events over a data stream. This clause enables you to define event patterns using regular expressions and aggregate methods to verify and extract values from the match.
What is SQL instance name?
Microsoft SQL Server (MS-SQL) has a feature called named instances. This feature allows you to run multiple databases on the same host (or clustered hosts) with separate settings. Each db (database) instance runs on its own port.