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  2. List of SQL reserved words - Wikipedia

    en.wikipedia.org/wiki/List_of_SQL_reserved_words

    Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]

  3. Condition (SQL) - Wikipedia

    en.wikipedia.org/wiki/Condition_(SQL)

    In addition to basic equality and inequality conditions, SQL allows for more complex conditional logic through constructs such as CASE, COALESCE, and NULLIF. The CASE expression, for example, enables SQL to perform conditional branching within queries, providing a mechanism to return different values based on evaluated conditions. This logic ...

  4. Database trigger - Wikipedia

    en.wikipedia.org/wiki/Database_trigger

    SQL allows triggers to fire on updates to specific columns; As of version 9.0 of PostgreSQL this feature is also implemented in PostgreSQL. The standard allows the execution of a number of SQL statements other than SELECT, INSERT, UPDATE, such as CREATE TABLE as the triggered action. This can be done through creating a stored procedure or ...

  5. Referential integrity - Wikipedia

    en.wikipedia.org/wiki/Referential_integrity

    Also, self-references are possible (not fully implemented in MS SQL Server though [5]). On inserting a new row into the referencing table, the relational database management system (RDBMS) checks if the entered key value exists in the referenced table. If not, no insert is possible.

  6. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form:

  7. Matt Eberflus: Bears filing complaint with NFL that Packers ...

    www.aol.com/sports/matt-eberflus-bears-filing...

    Eberflus acknowledged that the Bears did a poor job of blocking, but believes that the Packers made illegal contact with long snapper Scott Daly on the play and wants the NFL to take a second look.

  8. Which 38 Republicans voted against Trump's plan to keep the ...

    www.aol.com/38-republicans-voted-against-keeping...

    Arizona. Rep. Andy Biggs. Rep. Elijah Crane. Rep. Paul Gosar. Rep. Debbie Lesko. Rep. David Schweikert. Colorado. Rep. Doug Lamborn. Rep. Greg Lopez. Florida. Rep ...

  9. Why OPEC's grip on oil markets will continue to weaken in 2025

    www.aol.com/why-opecs-grip-oil-markets-193512699...

    OPEC+ faces a major oil oversupply in 2025, challenging production increases. The coalition has tried to boost oil prices by holding back output. Instead, members are ceding control to non-OPEC ...