Firebird 4.0 Language Reference

首页白天夜间下载阅读记录

我的书签
添加书签移除书签

编辑文档

11.14 ‘NOW’

来源 1 浏览 282 扫码打印 2022-06-20 07:54:22

TypeCHAR(3)

Note

Examples

上一篇:

下一篇:

Appendix B. Exception Codes and Messages
- B.2 SQLCODE and GDSCODE Error Codes and Descriptions
Chapter 2. SQL Language Structure
- 2.2 Basic Elements: Statements, Clauses, Keywords
- 2.3 Identifiers
- 2.4 Literals
- 2.5 Operators and Special Characters
- 2.6 Comments
Appendix D. System Tables
- D.24 RDB$PROCEDURES
- D.37 RDB$TRIGGER_MESSAGES
- D.20 RDB$INDEX_SEGMENTS
- D.26 RDB$PUBLICATIONS
- D.12 RDB$FIELD_DIMENSIONS
- D.19 RDB$INDICES
- D.38 RDB$TYPES
- D.40 RDB$VIEW_RELATIONS
- D.6 RDB$CONFIG
- D.33 RDB$SECURITY_CLASSES
- D.25 RDB$PROCEDURE_PARAMETERS
- D.16 RDB$FUNCTIONS
- D.17 RDB$FUNCTION_ARGUMENTS
- D.7 RDB$DATABASE
- D.14 RDB$FILTERS
- D.13 RDB$FILES
- D.10 RDB$EXCEPTIONS
- D.18 RDB$GENERATORS
- D.15 RDB$FORMATS
- D.22 RDB$PACKAGES
- D.2 RDB$BACKUP_HISTORY
- D.31 RDB$RELATION_FIELDS
- D.8 RDB$DB_CREATORS
- D.21 RDB$LOG_FILES
- D.36 RDB$TRIGGERS
- D.11 RDB$FIELDS
- D.27 RDB$PUBLICATION_TABLES
- D.28 RDB$REF_CONSTRAINTS
- D.30 RDB$RELATION_CONSTRAINTS
- D.9 RDB$DEPENDENCIES
- D.32 RDB$ROLES
- D.35 RDB$TRANSACTIONS
- D.29 RDB$RELATIONS
- D.5 RDB$COLLATIONS
- D.3 RDB$CHARACTER_SETS
- D.39 RDB$USER_PRIVILEGES
- D.23 RDB$PAGES
- D.34 RDB$TIME_ZONES
- D.4 RDB$CHECK_CONSTRAINTS
Chapter 4. Common Language Elements
- 4.2 Predicates
Appendix A. Supplementary Information
- A.2 A Note on Equality
Appendix G. Character Sets and Collation Sequences
Chapter 13. Security
- 13.8 Database Encryption
- 13.4 ROLE
- 13.3 SQL Privileges
- 13.6 Statements for Revoking Privileges
- 13.2 SQL Statements for User Management
- 13.9 SQL Security
- 13.7 Mapping of Users to Objects
- 13.5 Statements for Granting Privileges
Chapter 8. Built-in Scalar Functions
- 8.6 Bitwise Functions
- 8.9 Conditional Functions
- 8.11 Cryptographic Functions
- 8.3 String and Binary Functions
- 8.7 UUID Functions
- 8.2 Mathematical Functions
- 8.12 Other Functions
- 8.5 Type Casting Functions
- 8.10 Special Functions for DECFLOAT
- 8.8 Functions for Sequences (Generators)
- 8.4 Date and Time Functions
Appendix F. Security tables
- F.2 SEC$GLOBAL_AUTH_MAPPING
- F.3 SEC$USERS
- F.4 SEC$USER_ATTRIBUTES
Appendix H. License notice
Chapter 9. Aggregate Functions
- 9.2 General-purpose Aggregate Functions
- 9.4 Linear Regression Aggregate Functions
- 9.3 Statistical Aggregate Functions
Chapter 10. Window (Analytical) Functions
- 10.7 Navigational Functions
- 10.8 Aggregate Functions Inside Window Specification
- 10.4 Window Frames
- 10.3 Ordering
- 10.2 Partitioning
- 10.5 Named Windows
- 10.6 Ranking Functions
Chapter 1. About the Firebird 4.0 Language Reference
- 1.5 Contributing
- 1.2 Authorship
- 1.4 Acknowledgments
- 1.3 Reporting Errors or Missing Content
Appendix E. Monitoring Tables
- E.2 MON$CALL_STACK
- E.5 MON$IO_STATS
- E.8 MON$STATEMENTS
- E.3 MON$CONTEXT_VARIABLES
- E.6 MON$MEMORY_USAGE
- E.9 MON$TABLE_STATS
- E.4 MON$DATABASE
- E.10 MON$TRANSACTIONS
- E.7 MON$RECORD_STATS
Chapter 5. Data Definition (DDL) Statements
- 5.18 Comments
- 5.6 VIEW
- 5.2 SHADOW
- 5.5 INDEX
- 5.13 FILTER
- 5.4 TABLE
- 5.10 EXTERNAL FUNCTION
- 5.14 SEQUENCE (GENERATOR)
- 5.16 COLLATION
- 5.9 FUNCTION
- 5.17 CHARACTER SET
- 5.11 PACKAGE
- 5.8 PROCEDURE
- 5.15 EXCEPTION
- 5.3 DOMAIN
- 5.12 PACKAGE BODY
- 5.7 TRIGGER
Chapter 6. Data Manipulation (DML) Statements
- 6.3 UPDATE
- 6.2 INSERT
- 6.8 EXECUTE BLOCK
- 6.6 MERGE
- 6.7 EXECUTE PROCEDURE
- 6.5 DELETE
- 6.4 UPDATE OR INSERT
Appendix C. Reserved Words and Keywords
- C.2 Keywords
Chapter 3. Data Types and Subtypes
- 3.3 Fixed-Point Data Types
- 3.7 Binary Data Types
- 3.6 Boolean Data Type
- 3.12 Data Type Declaration Syntax
- 3.5 Character Data Types
- 3.4 Data Types for Dates and Times
- 3.8 Array Types
- 3.2 Floating-Point Data Types
- 3.9 Special Data Types
- 3.10 Conversion of Data Types
- 3.11 Custom Data Types — Domains
Chapter 14. Management Statements
- 14.3 Changing the Current Role
- 14.4 Session Timeouts
- 14.7 Debugging
- 14.5 Time Zone Management
- 14.2 Connections Pool Management
- 14.6 Reset Session State
Chapter 12. Transaction Control
Chapter 11. Context Variables
- 11.23 ‘YESTERDAY’
- 11.6 CURRENT_TRANSACTION
- 11.24 USER
- 11.17 ROW_COUNT
- 11.3 CURRENT_ROLE
- 11.7 CURRENT_USER
- 11.13 NEW
- 11.22 UPDATING
- 11.12 LOCALTIMESTAMP
- 11.15 OLD
- 11.8 DELETING
- 11.9 GDSCODE
- 11.20 ‘TODAY’
- 11.5 CURRENT_TIMESTAMP
- 11.21 ‘TOMORROW’
- 11.2 CURRENT_DATE
- 11.14 ‘NOW’
- 11.11 LOCALTIME
- 11.18 SQLCODE
- 11.10 INSERTING
- 11.19 SQLSTATE
- 11.4 CURRENT_TIME
- 11.16 RESETTING
Chapter 7. Procedural SQL (PSQL) Statements
- 7.5 Packages
- 7.7 Writing the Body Code
- 7.2 Stored Procedures
- 7.3 Stored Functions
- 7.4 PSQL Blocks
- 7.6 Triggers
- 7.8 Trapping and Handling Errors
Appendix I. Document History

暂无相关搜索结果！

本文档使用全库网构建

展开/收起文章目录

思维导图备注

文章二维码

手机扫一扫，轻松掌上读

文档下载

请下载您需要的格式的文档，随时随地，享受汲取知识的乐趣！

PDF文档 EPUB文档 MOBI文档

书签列表

阅读记录

阅读进度: 0.00% ( 0/0 ) 重置阅读进度