Table of Contents
Advertisement
Examples of Numeric Value Expressions.................................................................................219
Identifiers............................................................................................................................................220
Regular Identifiers.........................................................................................................................220
Delimited Identifiers......................................................................................................................220
Examples of Identifiers..................................................................................................................220
Indexes................................................................................................................................................221
SQL Indexes...................................................................................................................................221
Keys.....................................................................................................................................................222
Clustering Keys..............................................................................................................................222
Index Keys.....................................................................................................................................222
SQL Index Keys........................................................................................................................222
Primary Keys.................................................................................................................................222
Literals.................................................................................................................................................223
Character String Literals................................................................................................................223
Considerations for Character String Literals............................................................................224
Examples of Character String Literals......................................................................................224
Datetime Literals............................................................................................................................225
Examples of Datetime Literals.................................................................................................225
Interval Literals..............................................................................................................................226
Considerations for Interval Literals.........................................................................................227
Examples of Interval Literals....................................................................................................228
Numeric Literals............................................................................................................................228
Examples of Numeric Literals..................................................................................................229
Null......................................................................................................................................................230
Using Null Versus Default Values.................................................................................................230
Defining Columns That Allow or Prohibit Null............................................................................230
Null in DISTINCT, GROUP BY, and ORDER BY Clauses........................................................230
Null and Expression Evaluation Comparison .........................................................................231
SQL Tables.....................................................................................................................................232
Automatically Creating Partitions............................................................................................232
Predicates............................................................................................................................................233
BETWEEN Predicate......................................................................................................................233
Considerations for BETWEEN.................................................................................................234
Examples of BETWEEN............................................................................................................234
Comparison Predicates..................................................................................................................234
Considerations for Comparison Predicates..............................................................................235
Examples of Comparison Predicates........................................................................................236
EXISTS Predicate............................................................................................................................238
Examples of EXISTS.................................................................................................................238
IN Predicate...................................................................................................................................239
Considerations for IN...............................................................................................................239
Examples of IN.........................................................................................................................240
NULL Predicate.............................................................................................................................241
Considerations for NULL.........................................................................................................241
Examples of NULL...................................................................................................................242
Quantified Comparison Predicates...............................................................................................242
Considerations for ALL, ANY, SOME......................................................................................243
Examples of ALL, ANY, SOME................................................................................................243
Privileges.............................................................................................................................................245
Considerations...............................................................................................................................245
General Rules for object-privilege and schema-privilege........................................................245
Privilege Descriptions for object-privilege...............................................................................245
General Rules for column-list...................................................................................................246
Schemas...............................................................................................................................................247
Search Condition.................................................................................................................................248
Table of Contents
11
Advertisement
Table of Contents
