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1.1.1 PL/SQL Extended Iterators 1-1 1.1.2 PL/SQL Qualified Expressions Enhancements 1-2 1.1.3 SQL Macros 1-2 1.1.4 New JSON Data Type 1-3 1.1.5 New Pragma SUPPRESSES_WARNING_6009 1-3 1.1.6 PL/SQL Type Attributes in Non Persistable User Defined Types 1-3 1.1.7 PL/SQL Function Enhanced Result Cache 1-4 1.2 Deprecated Features 1-4 1.3 Desupported ...
PL/SQL (Procedural Language /SQL) is a procedural extension of the SQL language proposed by Oracle that allows the use of SQL commands in the structure of blocks constituting a transaction programming tool. As part of programs of this language, besides SQL commands, it is possible to use structures from procedural languages such as:
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PL/SQL User's Guide and Reference 10g Release 1 (10.1) Part No. B10807-01 December 2003
• Functions called from the SELECT, VALUES, or SET clauses of a SQL query can write package variables, so they do not need to meet the WNPS purity level. Functions called from any other clause of a SQL query must meet the WNPS purity level. • A function is only as pure as the purity of a subprogram it calls.
PL/SQL 101 : WITH Clause | 2. Subquery Factoring – Why Create A Table? 7 The WITH clause lets us simulate or test with subsets of data that already exist or that we want to create on-the-fly, that we can then reference multiple times in our main query. It can also make our code easier to read as we can put the focus
Database Programming with. PL/SQL. 9-2 Using Functions in SQL Statements. This lesson covers the following objectives: List the advantages of user-defined functions in SQL statements. List where user-defined functions can be called from within a SQL statement. Describe the restrictions on calling functions from SQL statements.