MySQLENUMdata type explained TheTINYINTis the default alias forBOOLEANtype as defined by MySQL, but you can use other types if you know what you’re doing. 😉
In MysQL, there is no datatype called boolean or bool, but the datatype tinyint serves the purpose of boolean. With tyinyint, a 0 means false and a non-zero means true. Assume there is this table The field success can be updated with true or false. true
real_type opt_precision field_options 解析REAL、DOUBLE 或 DOUBLE PRECISION 类型 numeric_type float_options field_options 解析FLOAT、DECIMAL、NUMERIC 或 FIXED 类型 BIT_SYM 解析BIT 类型 BIT_SYM field_length 解析指定长度的 BIT 类型 BOOL_SYM 解析BOOL 类型 BOOLEAN_SYM 解析BOOLEAN 类型 CHAR_SYM field...
Management node: The role of this type of node is to manage the other nodes within the MySQL Cluster, performing such functions as providing configuration data, starting and stopping nodes, running backup, and so forth. Because this node type manages the configuration of the other nodes, a nod...
• BOOL, BOOLEAN These types are synonyms for TINYINT(1). A value of zero is considered false. Nonzero values are considered true: mysql>SELECTIF(0,'true','false');+---+|IF(0,'true','false')|+---+|false|+---+mysql>SELECTIF(1,'true','false');+---+|IF(1,'true','fal...
整数类型:BOOL/BOOLEAN/TINYINT、SMALLINT、MEDIUMINT、INT/INTEGER和BIGINT。 定点类型:DECIMAL和NUMERIC。 浮点类型:FLOAT和DOUBLE。 Bit-Value 类型:BIT。 日期时间类型:DATETIME、TIMESTAMP、DATE、TIME和YEAR。 字符类型:CHAR、VARCHAR、BINARY和VARBINARY。
bit(1) UInt64 Boolean bit(M), M>1 UInt64 Byte[] blob Byte[] Byte[] bool Boolean (若 TreatTinyAsBoolean=false,則對應為 SByte。TreatTinyAsBoolean 預設為 true) Int16 char String String date Datetime Datetime datetime Datetime Datetime decimal Decimal Decimal, String double Double Double double...
BLOB DATA TYPE BOOLEAN 。。。 对于列出的具体数据类型,可以进一步看详细情况: mysql> ? int Name: 'INT' Description: INT[(M)] [UNSIGNED] [ZEROFILL] A normal-size integer. The signed range is -2147483648 to 2147483647. The unsigned range is 0 to 4294967295. 1.2 快速...
Based on the type information (like INT), the type cast should convert the string field into a different JavaScript type (like a number). Here's an example of converting TINYINT(1) to boolean: connection = mysql.createConnection({ typeCast: function (field, next) { if (field.type ===...
Bug #43094ignoring boolean datatype Submitted:22 Feb 2009 22:38Modified:6 Apr 2009 15:48 Reporter:Hans GinzelEmail Updates: Status:ClosedImpact on me: None Category:MySQL WorkbenchSeverity:S3 (Non-critical) Version:5.1.7OS:Linux (.deb, Ubuntu 8.10) ...