• The SQL SELECT statement returns a result set of rows, from one or more tables. A SELECT statement retrieves zero or more rows from one or more database...
    33 KB (3,102 words) - 19:30, 20 March 2024
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    In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into...
    40 KB (4,166 words) - 20:02, 19 May 2024
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    manipulation language Data query language Select (SQL) Insert (SQL) Update (SQL) Delete (SQL) Truncate (SQL) Olle, T. William (1978). The Codasyl Approach...
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  • reserved. SQL SQL syntax List of relational database management systems "Appendix C. SQL Key Words". PostgreSQL documentation. The PostgreSQL Global Development...
    113 KB (159 words) - 11:04, 3 January 2024
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    In SQL, null or NULL is a special marker used to indicate that a data value does not exist in the database. Introduced by the creator of the relational...
    62 KB (7,601 words) - 13:07, 8 January 2024
  • ON o1.id = o2.id WHERE o2.id IS NULL Union (set theory) Join (SQL) SQL:2003 Select (SQL) "The UNION [ALL], INTERSECT, MINUS Operators". Oracle. Retrieved...
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  • components within Microsoft SQL Server. First launched with Microsoft SQL Server 2005, it is the successor to the Enterprise Manager in SQL 2000 or before. The...
    4 KB (317 words) - 16:38, 24 April 2024
  • PL/SQL (Procedural Language for SQL) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle...
    31 KB (3,910 words) - 06:32, 5 March 2024
  • Thumbnail for Join (SQL)
    A join clause in the Structured Query Language (SQL) combines columns from one or more tables into a new table. The operation corresponds to a join operation...
    41 KB (4,774 words) - 11:05, 28 May 2024
  • equipment manufacturer Select (aperitif), an Italian aperitif Select (SQL), a keyword in SQL select (Unix), a system call (in sys/select.h or unistd.h) for...
    1 KB (202 words) - 15:18, 2 November 2023