Oracle - What Is SQL Standard in Oracle

What Is SQL Standard in Oracle

Q

What Is SQL Standard in Oracle?

✍: FYIcenter.com

A

SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation.

SQL became an ANSI standard, called SQL-87, in 1986.

ISO made a major revision, called SQL-92, in 1992.

The latest revision is SQL:2008.

⇒Understanding SQL Language Basics for Oracle

⇒⇒Oracle Database Tutorials

2016-10-16, 593👍, 0💬

💬 2017-07-10 sasi: Nice tutorial..

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💬 2019-09-19 Aninda mahadev: Good Tutorial!!!

💬 2017-07-10 Kumar Kedi: ascdfwtwert

What Is NULL Value in Oracle
What Is NULL Value in Oracle? NULL is a special value representing "no value" in all data types. NULL can be used on in operations like other values. But most operations has special rules when NULL is involved. The tutorial exercise below shows you some examples: SET NULL 'NULL'; -- Make sure NULL i... 2019-12-02, 714👍, 0💬

Convert Times to Character Strings in Oracle
How To Convert Times to Character Strings in Oracle? You can convert dates to characters using the TO_CHAR() function as shown in the following examples: SELECT TO_CHAR(SYSDATE, 'HH:MI:SS') FROM DUAL; 04:49:49 SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS.FF') FROM DUAL; -- Error: SYSDATE has no fractional se... 2019-12-02, 710👍, 0💬

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