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Using a SELECT statement after the INSERT statement with a database-specific function that returns the generated primary key for the most recently inserted row. For example, LAST_INSERT_ID() for MySQL. Using a unique combination of elements from the original SQL INSERT in a subsequent SELECT statement.
The DUAL table is a special one-row, one-column table present by default in Oracle and other database installations. In Oracle, the table has a single VARCHAR2(1) column called DUMMY that has a value of 'X'. It is suitable for use in selecting a pseudo column such as SYSDATE or USER.
In a database, a table is a collection of related data organized in table format; consisting of columns and rows.. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. [1]
Previous Page: sort the data in the reverse order, select only the first {rows} rows, where the {unique_key} is less than {first_val} (the value of the {unique_key} of the first row in the current page), and sort the result in the correct order; Read and send to display all the rows read from the database
In the early hours of Wednesday, Jan. 8, Spencer, 41, shared a clip on TikTok showing the flames burning through the Calif. property that he shares with his wife Heidi, 38, and their two sons ...
Applications access data by specifying queries, which use operations such as select to identify tuples, project to identify attributes, and join to combine relations. Relations can be modified using the insert, delete, and update operators. New tuples can supply explicit values or be derived from a query.
The NFL will consider expanding replay assist to include facemask penalties and other plays. Officials have missed several obvious facemask penalties this season, including two in a three-week ...
Linebacker Azeez Al-Shaair will be back for the Houston Texans in Week 18 following his three-game suspension for a hit that concussed Trevor Lawrence of the Jacksonville Jaguars on Dec. 1.