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With SQL how can you delete the records where the FirstName is Peter in the Persons Table?
To delete records where FirstName is Peter in the Persons Table, you can use the following SQL query: DELETE FROM Persons WHERE FirstName = 'Peter';
What is Outer Join SQL used for according to Wikipedia?
Outer Join in SQL is used to retrieve all records from one table and only matching records from another table. It helps to retrieve data from related tables even if there are no matching records in one of the tables.
What can a SQL UPDATE statement allow one to do within a table?
A SQL UPDATE statement allows the user to update existing records in a database table. For example, it could be used to update a customer's address, or a the price of a product.
What does an SQL join combine?
A SQL join clause combines records from two or sometimes more than two tables in to a database. This creates a set that can be used as it is or can be saved as a table.
The total number of records in an opened table is displayed?
To display the total number of records in an opened table, you can use the SQL query: SELECT COUNT(*) FROM [table_name]. This query will return the total number of records present in the specified table.
What does a SQL Delete statement allow?
An SQL Delete statement is a code used for programming. It allows you to delete a single record or multiple records from a graph or table. These codes can be very useful.
How do you create a table using another table including constraints?
If your using Ms SQL, use enterprise manager to export all scripts for a particular table in one file
What is hash table in sql?
temp table
What is a SQL update statement?
An SQL Update Statement is one that changes the data of one more records in a table. One could change a complete row, or select which to change. One could find how to do this at WebCheatSheet.
What is the name of two DDL operations in SQL?
Some of the operations performed in DDL in sql are creation of table,alteration of table,truncate a table, drop a table
Which SQL statement is used to update data in a database?
The SQL statement used to update data in a database is the "UPDATE" statement. It allows you to modify existing records in a table by specifying the column and value you want to update based on certain conditions. Additionally, you can use the "SET" keyword to assign new values to specific columns in the table.
Where union keyword used?
The UNION keyword is commonly used, as part of a SELECT statement in the SQL language, to combine two tables, which must have identical or at least compatible structures, vertically. That is, records from BOTH tables are placed into a single result table. If, for example, each table has 1000 records, the resulting table would have 2000 records - assuming there are no duplicates.
