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- REGR_SLOPE returns the slope of the line. After the elimination of null (ex...
- REGR_SXX makes the following computation after eliminating NULL (expr1, expr2...
- REGR_SXY makes the following computation after eliminating NULL (expr1, expr2...
- REGR_SYY makes the following computation after eliminating NULL (expr1, expr2...
Regular Expressions - RegExp examples #1
- Examples of the various Oracle-supported reg...
Regular Expressions - Regexp Cheat Sheet
- With version 10g, Oracle Database offers 4 re...
Regular Expressions - RegExp examples #2
- Search for control (non-printing) characters ...
Regular Expressions - RegExp examples #3
- Patterns for matching Social Security Numbers...
Regular Expressions - REGEXP_LIKE
- REGEXP_LIKE is similar to the LIKE condition, except...
Regular Expressions - REGEXP_REPLACE
- The REGEXP_REPLACE function works by looking for ...
Regular Expressions - REGEXP_SUBSTR
- REGEXP_SUBSTR extends the functionality of the SUB...
RIGHT JOIN example and syntax
- The RIGHT JOIN (or RIGHT OUTER JOIN) keyword Return all ...
RMAN (Oracle Recovery Manager)
- Recovery Manager (or RMAN) is an Oracle provided utilit...
RMAN: Command Summary
- Summary of RMAN commands that you can execute at the RMAN prompt...
RMAN: Data Dictionary Objects
- A listing of the RMAN Data Dictionary objects. Also ...
RMAN: Format Directives
- A list of the available RMAN format directives.
RMAN: List the most recent Level 0 backups
- The RMAN report and list commands aren'...
- ROWIDTOCHAR converts a rowid value to VARCHAR2 datatype. The result of thi...
- ROWIDTONCHAR converts a rowid value to NVARCHAR2 datatype. The result of...
- Assigns a unique number to each row to which it is applied (either each row...
- This conversion function takes as an argument a number that evaluates...
Search PL/SQL for a string/ key value
- This query is a useful way to find out where cer...
- Use a SELECT statement or subquery to retrieve data from one or more tables, ob...
SELECT into a table
- Create a table by SELECTing rows into it from another table or tables.
SELECT name columns
- Select specific columns by naming the columns to be used.
- SELECT statements can be placed almost anywhere within a valid SQL co...
SELECT with GROUP BY Clause
- The GROUP BY clause is used in conjunction with the aggreg...
SELECT with HAVING Clause
- The HAVING clause was added to SQL because the WHERE keyword...
SELECT with SAMPLE clause
- The sample clause can be used to return only a percentage of...
SELECT with WHERE Clause
- The WHERE clause is used to screen or filter records for spec...
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