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SQL Server (Transact-SQL) Functions

Functions - Alphabetical : SQL Server (Transact-SQL) Functions listed alphabetically Functions - Category: SQL Server (Transact-SQL) Functions listed by category

SQL Server Keys, Constraints and Indexes

Primary Keys: Create, alter, drop, enable and disable primary keys Foreign Keys: Create, drop, enable and disable foreign keys Unique Constraints: Create, add, and drop unique constraints Check Constraints: Create, alter, drop, enable and disable check constraints Indexes: Create, rename and drop indexes (Performance tuning)

SQL Server Privileges

Grant/Revoke Privileges: Grant or revoke privileges (permissions) Change Password: Change a password for a user/login

SQL Server Database Administration

Logins: Identity used to connect to a SQL Server instance (create, alter, drop) Users: Database user to log into SQL Server (create, drop)

SQL Server Programming

Functions: Create and drop functions Procedures: Create and drop stored procedures Literals (Constants): String, integer, decimal, and datetime literals Declare Variables: Declare variables and set variables Loops and Conditional Statements: WHILE Loop, IF...ELSE statement Sequences (Autonumber): Create and drop sequences Comments within SQL: How to create comments within your SQL statement

SQL Server Comparison Operators

Comparison Operators: Operators such as =, <>, !=, >, <, and so on

SQL Server Query Types

SELECT Statement: Retrieve records from a table SELECT TOP Statement: Retrieve records from a table and limit results SELECT INTO Statement: Create a new table with columns and data from another table INSERT Statement: Insert records into a table UPDATE Statement: Update records in a table DELETE Statement: Delete records from a table DELETE TOP Statement: Delete records and limit number of deletions TRUNCATE TABLE Statement: Delete all records from a table (no rollback) UNION Operator: Combine 2 or more result sets (removes duplicates) UNION ALL Operator: Combine 2 or more result sets (includes duplicates) INTERSECT Operator: Intersection of 2 result sets EXCEPT Operator: Result set of one minus the result set of another Subqueries: A query within a query PIVOT Clause: Create a cross-tabulation query

SQL Server Joins

JOIN Tables : Inner and Outer joins

SQL Server Aliases

ALIASES Create a temporary name for a column or table

SQL Server Clauses

DISTINCT Clause: Retrieve unique records FROM Clause: List tables and join information WHERE Clause: Filter results ORDER BY Clause: Sort query results GROUP BY Clause: Group by one or more columns HAVING Clause: Restrict the groups of returned rows

SQL Server SQL Functions

COUNT Function: Return the count of an expression SUM Function: Return the sum of an expression MIN Function: Return the min of an expression MAX Function: Return the max of an expression AVG Function: Return the average of an expression

SQL Server Conditions

AND Condition: 2 or more conditions to be met OR Condition: Any one of the conditions are met AND and OR: Combine AND and OR conditions LIKE Condition: Use wildcards in a WHERE clause IN Condition: Alternative to multiple OR conditions NOT Condition: Negate a condition IS NULL Condition: Test for a NULL value IS NOT NULL Condition: Test for a NOT NULL value BETWEEN Condition: Retrieve within a range (inclusive) EXISTS Condition: Condition is met if subquery returns at least one row

SQL Server Tables and Views

CREATE TABLE: Create a table SELECT INTO: Create a table from another table's definition and data ALTER TABLE: Add, modify or delete columns in a table; rename a table DROP TABLE: Delete a table LOCAL TEMP TABLES: Temporary tables that are distinct within modules and embedded SQL programs GLOBAL TEMP TABLES: Temporary tables that are distinct within SQL sessions VIEW: Virtual tables (views of other tables)

SQL Server Data Types

Data Types Data Types in SQL Server (Transact-SQL)



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